ASCO Lung Cancer Review

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							ASCO Lung Cancer Review 2009



         Mark A. Socinski, MD
            Professor of Medicine
 Multidisciplinary Thoracic Oncology Program
  Lineberger Comprehensive Cancer Center
         University of North Carolina
                        Abstracts
      y    g
• Early stage
   Adjuvant therapy – BR10 Update (7501)
   NATCH (7500)


• Stage III
   ECOG 3598 – thalidomide (7503)
   CALGB 30407 – cetuximab (7505)


• Stage IV NSCLC
   “Maintenance” – Pemetrexed, SATURN, ATLAS (8000, 8001, 8002)
   Biomarkers – FLEX, IPASS (8006, 8007)
   Vandetinib trials – ZODIAC, ZEST, ZEAL (8003, 8009,8010)




                                                                  2
    JBR.10 Update - Study Design
    Vincent M et al. ASCO 2009 abstr # 7501
    Vi    t    t l        2009, b t

R
            Stage IB/II
E     T                     R        Observation
G           Stratified by   A        Only
I     I     N d l
            Nodal
                            N
      S      * N0
S                           D
             * N1
T     S     ras             O
E     U      * Neg          M        Cisplatin
R     E      * Pos                   Vinorelbine
             * UNK
                            I
                            S
                            E
Overall Survival: April 2004



 5 yr: 61% vs 49%                      5 yr: 69% vs 54%
 HR: 0.60, p<0.001                     HR: 0.69, p=0.009




                     Winton et al. NEJM 2005; 352: 2589-97
                  y    g    p
Overall Survival by Stage: April 2004




     HR: 0.94, p=0.79                     HR: 0.59, p= 0.004




                        Winton et al. NEJM 2005; 352: 2589-97
   Updated Overall Survival by Treatment
            Arm – ASCO 2009
            A
                                               '
                   100                                  Observation       Vinorelbine

                                                   Stratified Log-Rank: p=0.04
                                                   HR: 0.780(0.613, 0.993)
                    80
               e
      Percentage




                    60



                    40         5 yr: 67% vs 56%
                                     5 yr: 67% vs 56%
                    20             94 mo vs 72 mo
                               MST:MST 94m vs 72m

                     0
                         0           3         6             9          12              15
At Risk                                               Time(Years)
Observation              240        155       117             58         9              0
Vinorelbine              242        182       135             67        12              0


Absolute improvement in 5 yr OS 11% (67%-56%)
                                Updated Survival by Stage
                                          '
                  100                              Observation          Vinorelbine

                                              Stratified Log-Rank: p=0.01
                                              HR: 0.68(0.50, 0.92)
                   80
                                                                                                               Interaction p=0.09
                   60
     Percentage




                   40

                                  6.8    3.6
                              MST 6 8 vs 3 6 yrs
                   20                                                                                                         St
                                                                                                                              Stage IB
                              5 yr: 59% vs 44%                                                                                '
                                                                                                   100                                 Observation          Vinorelbine
                    0
                        0         3       6             9          12                 15                                          Stratified Log-Rank: p=0.87
At Risk                                              (     )
                                                 Time(Years)
Observation                                                                                                                            1.03(0.70, 1.52)
                                                                                                                                  HR: 1 03(0 70 1 52)
                        132       72      48             18         4                 0             80
Vinorelbine             131       95      65             31         6                 0                            Stage IB


                                         Stage II
                                                                                         centage
                                                                                                    60
                                                                                      Perc




                                                                                                    40

                                                                                                               MST 9.8 vs 11 yrs
                                                                                                    20
                                                                                                                 y
                                                                                                               5 yr: 76% vs 69%

                                                                                                     0
                                                                                                         0         3          6             9          12                 15
                                                                           At Risk                                                   Time(Years)
                                                                           Observation                   108      83          69             40         5                 0
                                                                           Vinorelbine                   111      87          70             36         6                 0
                              Updated Stage IB Survival By T Size
                                             '
                   100                                Observation          Vinorelbine

                                                 Stratified Log-Rank: p=0.07
                                                 HR: 1.73(0.98, 3.04)
                   80



                                                                                                                               0 02
                                                                                                                Interaction p= 0.02
              ge




                   60
      Percentag




                   40         MST 7.6 yr vs 11.2 yr
                              5 yr 73% vs 79%
                   20
                              <4 cm, Observation vs chemo
                    0
                         0          3        6             9          12                          15
At Risk                                             Time(Years)
Observation              54         47       40             20         4                          0
Vinorelbine              45         33       27             13         1                          0                          '
                                                                                                  100                                 Observation          Vinorelbine

                                                                                                                                 Stratified Log-Rank: p=0.13
                                                                                                                                 HR: 0.66(0.39, 1.14)
                                                                                                      80
                                                                                     Percentage
                                                                                              e

                                                                                                      60

                                                                                                                MST NR vs 9.8 yr
                                                                                                      40
                                                                                                                5 yr 79% vs 59%
                                                                                                      20           cm,
                                                                                                                ≥4 cm Observation vs chemo

                                                                                                       0
                                                                                                           0         3       6             9          12                 15
                                                                           At Risk                                                  Time(Years)
                                                                           Observation                     54       36       29             20         1                 0
                                                                           Vinorelbine                     66       54       43             23         5                 0
                             Cumulative Incidence Plots for Disease
                                   Non-disease
                               and Non disease Related Deaths
                            1 .0




                            •                             Observation/Disease Related
                                                          Chemotherapy/Disease Related
                                                          Observation/Non-Disease Related
                            0 .8




                                                          Chemotherapy/Non-Disease Related
                   bility




                                       Test for Disease Related Deaths                Test for Non-Disease Related Deaths
        tive P robab




                                       ========================                       =============================
                            0 .6




                                        Log-Rank Test p-value = 0.027                  Log-Rank Test p-value = 0.660
                                       Fine-Gray Test p-value = 0.023                 Fine-Gray Test p-value = 0.622
                                       --------------------------------------------   -----------------------------------------------------
C um ulat
                            0 .4
                               2
                            0 .2
                            0 .0




                                   0                     2                     4                      6                      8                10   12   14
                                                                                                      Time(Years)
      Second Primary Malignancies
                Observation   Chemotherapy
                  N=239          N=243
N
No                  (91 2%)
                218 (91.2%)     226 (93%)
Yes              21 (8.8%)      17 (7.9%)


Head & Neck          4              0
NSCLC                3              0
SCLC                 1              1
Bladder              0              1
Kidney               1              1
Miscellaneous       12             14
                    NATCH Study Design
                    al       2009
         Felip E et al. ASCO 2009, abstr # 7500

                               R                              g y
                                                           Surgery
                               A
                               N
                g
    Clinical stage
                               D
                                            Paclitaxel /
 IA(>2cm), IB, II, T3N1        O                                  Surgery
                                            Carboplatin
                               M
  St tif by
  Stratify b
                               I
  ─ Tumor size:
                               Z
    (<3, 3-5 or > 5 cm)
                               E                                Paclitaxel /
  ─ Age: (≤ 60 or >60 y)                     Surgery
                                                                Carboplatin


Primary E d i t
Pi      Endpoint:                                               AUC 6
                       • Paclitaxel 200 mg/m2 /3h + Carboplatin AUC=6 q3wk for
                         a total of 3 cycles
5 yr DFS (∆ 15%)       • Post-op thoracic RT allowed for p-N2 disease
                                                                                 11
                            (N 199)
Preop CT Arm: CT Compliance (N=199)

        CT,
• Preop CT 193 pts (97%)
   – 180 pts, 3 cycles (90%)
                  y
   – 13 pts, < 3 cycles
          Adverse events, 4 pts
          Death, 2 pts
          Progression, 1 pt
          Other, 4 pts
          No information, 2 pts


• Dose reductions 9% of pts / delays 11% of pts




                                                  12
                          (N=210)
Adj CT Arm: CT Compliance (N 210)

No adj CT, 71 pts (34%)                          Adj CT, 139 pts (66%)

•   Post-operative mortality, 15 pts             • 129 pts, 3 cycles
•   Stage IIIB/IV at surgery, 12 pts
    St              t              t
                                                 • 10 pts, < 3 cycles
•   Surgical complications, 9 pts
                                                     –   Adverse events, 4 pt
•   Other histologies, 2 pts                         –   Refusal, 2 pt
•             CT,
    Refused CT 11 pts                                –   Progression 2 pt
                                                         Progression,
•   PI’s decision, 4 pts                             –   Death, 2 pt
•   Progression, 3 pts                           • Dose reductions 11% of pts /
•   Other, 5 pts                                 delays 16% of pts
•   Ineligible / cancelled at baseline, 10 pts




                                                                                  13
              DFS in Preop CT Arm vs Surgery Arm
                             p
              Median Follow-up 51 Months

                                                                                                            Surgery    Preop CT
              0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

                                                                                                            (N=210)    (N=199)
                                                                               Events                          132          117
                                                                               Median DFS (mo)                 25.1        31.5
                                                                               3-year DFS                     41.9%       48.4%
                                                                               5-year DFS                     34.1%       38.3%
                                                                                        0 92;        (0 81 1.04);        0.176
                                                                                   HR = 0.92; 95% CI (0.81 to 1 04); P = 0 176
                                        7
Probability
                              0




                                                                                                                      Preop CT


                                                                                                                      Surgery

                                                        At risk:

                                                        Preop CT   140   105         81            57            37               26
                                                        Surgery    130   98          77            53            34               23

                                                         0         1     2           3             4             5                6
                                                                               Time (years)



                                                                                                                                       14
              DFS in Adj CT Arm vs Surgery Arm
                             p
              Median Follow-up 51 Months

                                                                                                           Surgery     Adj CT
              0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

                                                                                                           (N=210)    (N=210)
                                                                              Events                         132          125
                                                                              Median DFS (mo)                25.1         26.0
                                                                              3-year DFS                    41.9%       44.9%
                                                                              5-year DFS                    34.1%       36.6%
                                                                                       0 96;        (0 75 1.22);        0.73
                                                                                  HR = 0.96; 95% CI (0.75 to 1 22); P = 0 73
                                        7
Probability
                              0




                                                                                                                     Adj CT


                                                                                                                     Surgery

                                                        At risk:
                                                        Adj CT     131   95         71            54            37               25
                                                        Surgery    130   98         77            53            34               23


                                                        0          1     2         3             4              5                6
                                                                              Time (years)
                                                                              Ti   (     )



                                                                                                                                      15
     Overall Survival by Arm
                                                                                     Surgery        Adj CT     Preop CT
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0                                              (N=210)       (N=210)      (N=199)
                                                                 Events                109           102            99
                                                                           ( )
                                                                 Median OS (mo)        48.8          50.3          55.2
                                                                 3-year OS            58.6%         58.4%         59.2%
                                                                 5-year OS             44%          45.5%         46.6%
                                                                 Surgery vs Adj CT: HR=0.99 (0.75 to 1.3); P=0.93
                                                                 Surgery vs Preop CT: HR=0.96 (0.84 to 1.1); P=0.56
                         0
               obability
             Pro




                                          At risk:
      2




                                          Preop CT   165   131           99             71             45             31
                                          Adj CT     161   121           90             65             40             29
                                          Surgery    168   131          105             72             40             27

                                              0      1     2           3                4              5              6
                                                                   Time (years)



                                                                                                                           16
                        Abstracts
      y    g
• Early stage
   Adjuvant therapy – BR10 Update (7501)
   NATCH (7500)


• Stage III
   ECOG 3598 – thalidomide (7503)
   CALGB 30407 – cetuximab (7505)


• Stage IV NSCLC
   “Maintenance” – Pemetrexed, SATURN, ATLAS (8000, 8001, 8002)
   Biomarkers – FLEX, IPASS (8006, 8007)
   Vandetinib trials – ZODIAC, ZEST, ZEAL (8003, 8009,8010)




                                                                  17
ECOG 3598: Rationale for Thalidomide
               Diverse Properties


• Anti-angiogenic
   – Inhibits expression of a number of angiogenic
     cytokines: VEGF, bFGF, COX2, TGF beta
     expression
• Immunomodulatory
   – T cell/NK stimulation
                p                         y
   – Induces expression of immunomodulatory
     cytokines (IL-12, gamma IFN)
• Anti-proliferative


                                                     18
           E3598: Chemo/RT          +/- Thalidomide
                                        ,
             Schiller J et al. ASCO 2009, abstr # 7503
                            Amended Schema


       R      Carboplatin        Wkly
                                 Wkl
                                 carbo/paclitaxel
       A      Paclitaxel
Stage N                          RT (60 Gy)
              2 cycles
IIIA,
IIIA B D
NSCLC O
       M      Carboplatin        Wkly
       I      P lit    l
              Paclitaxel         carbo/paclitaxel
                                    b /   lit   l    PR,     Thalidomide:
       Z      Thalidomide        RT (60 Gy) +        CR,
       E      2 cycles                              Stable   total of 2 years
                                 Thalidomide




 • Amended 6/04/2003 after 288 patients had been registered
 • Weekly concurrent carboplatin/paclitaxel added
                                                                                19
                ECOG 3598: Outcomes
                                   Carbo/paclitaxel +
                Carbo/paclitaxel                          P (HR)
                                      thalidomide
Response rate        35%                  39%              0.36
                                                           0 36
Survival
                                                            0.84
                    14.9 mo             16.1 mo
  Median (mo)
• M di ( )                                              (HR= 0.98;
                                                        (HR 0 98
                   (12.4-20.2)        (14.5-18.5)
                                                        0.81 – 1.18)
                      57%                67%
• 1 year
                    (51-63%)           (62-73%)
                      34%                33%
• 2 year
                    (29-41%)           (28-40%)
                                                            0 99
                                                            0.99
PFS – median        7.4 mo               7.8 mo
                                                        (HR = 1.00;
(mo)               (6.6 -8.7)           (7.0-8.8)
                                                        0.84 – 1.20)




                                                                       20
            ECOG 3598: Outcomes

Progression Free Survival   Survival




                                       21
               Conclusions

• Thalidomide did not improve the survival of
  patients with locally advanced NSCLC when
  administered with carbo/paclitaxel
• Thalidomide was associated with increased
  thrombotic events, despite the addition of
  low-dose aspirin.
• Lack of efficacy did not appear to be due to
  inadequate thalidomide dosing, as patients
  were titrated to their maximum tolerated
  dose.
• Identifying effective anti-angiogenic drugs for
              challenging
  NSCLC is challenging.

                                                    22
Randomized Ph      St d f P       t    d C b l ti   d
R d i d Phase II Study of Pemetrexed, Carboplatin and
    Thoracic Radiation with or without Cetuximab in
Stage III Non-small Cell Lung Cancer: CALGB 30407 Schema
              Govindan R et al. ASCO 2009, abstr # 7505


 R         C b l ti AUC 5 q3week x 4 cycles
           Carboplatin         3    k     l
 A   Arm A Pemetrexed 500/mg² q3week x 4 cycles
 N         XRT – 70 Gy over 7 weeks                       Pemetrexed
 D                                                              /
                                                          500 mg/m2
 O
           Carboplatin AUC 5 q3week x 4 cycles            q 3 weekly x 4
 M
           Pemetrexed 500/mg² q3week x 4 cycles
 I
           XRT - 70 Gy over 7 weeks
 Z
                           +
 E   Arm B Cetuximab 400mg/m² loading
           and 250mg/m² weekly

 Primary endpoint: OS (MST > 20.9 months)
                                                                           23
                                g p
              CALGB 30407 - Demographics
Characteristic             Pemetrexed and   Pemetrexed,
                           Carboplatin      Carboplatin and
                           (n- 48)
                           (n                          (n 51)
                                            Cetuximab (n-51)

Male                       58%              65%
Median Age in Years           (41 79)
                           62 (41-79)          (32 81)
                                            65 (32-81)
(Range)
Proportion over 70 years 25%                20%
Caucasians                 77%              94%
Histology
   Adenocarcinoma          46%              41%
   Squamous                33%              35%
   Poorly differentiated   19%              18%
Stage III A                58%              55%
Stage III B                40%              45%

                                                                24
                CALGB 30407
   Treatment Delivery (Post Chemoradiation)

 Characteristic          Pemetrexed and          Pemetrexed,
                                                 Pemetrexed
                         Carboplatin             Carboplatin and
                         (n- 48)                 Cetuximab (n-51)
      ou cycles
 All four cyc es         50%                      9%
                                                 49%
 Three cycles            8%                      2%
 Two cycles              19%                     14%
 One cycle               6%                      6%
 None                    17%                     27%
 Missing                 0                       2%


90% and 80% of patients rec’d all four cycles of Cb/Pem on the Cb/Pem and
Cb/Pem/Cetuximab arms, respectively)


                                                                            25
                                        g
              CALGB 30407 - Hematological
               Toxicities (Grade III and IV)


Characteristic          Pemetrexed and    Pemetrexed,
                          Carboplatin    Carboplatin and
                           n 48 (%)
                           n-              Cetuximab
                                            n-51 (%)
Anemia                       18                14
Neutropenia                  50                59
Thrombocytopenia          36 (22/14)        34(23/11)
(G3/G4)
Febrile Neutropenia           8                6




                                                           26
            CALGB 30407 - Non-hematological
               Toxicities (Grade III and IV)
Characteristic        Pemetrexed and    Pemetrexed,
                              p
                        Carboplatin         p
                                       Carboplatin and
                           n- 48         Cetuximab
                            (%)           n-51 (%)
 y p g
Dysphagia                  32                24

Fatigue                    22                17
Pneumonitis                12                8
Rash                        2                21
Nausea/Vomiting             8                10

Hypersensitivity            2                8



Deaths
D th                       4%                4%

                                                         27
                                             CALGB 30407 - Overall Survival

                                        CALGB 30407: Overall Survival
              1.0
                0




                                                                                    Median Overall Survival
              0.8




                                                                                    Arm A    22 months (95% CI: 17-NA)
                                                                                    A
                                                                                    Arm B          th       CI 13-NA)
                                                                                             22 months (95% CI: 13 NA)
              0.6
Probability




                                                                                    18 Month Overall Survival
              0.4




                              Arm A (N=48)
                              Arm B (N=51)
              0.2




                        p-value=0.669
                                                                                    Arm A    57% (95% CI 44-75)
                                                                                    Arm B    50% (95% CI 37-68)
              0.0




                    0                   10                 20           30
                                               Survival Time (Months)




                                                                                   p
                                                                  Median follow up: 22 months
                                                                  H0: p≤0.35 versus H1: p≥0.55
                                                                p = survival probability at 18 months
                                                                             registration                                28
                  CALGB 30407
                   Summary

  Administration f        t     d     b l ti
• Ad i i t ti of pemetrexed, carboplatin and    d
  thoracic radiation with or without cetuximab produced
  a median survival of 22 months.
• Both regimens met the pre-defined threshold (median
  survival of 20.9 months) to be considered worthy for
          development
  further development.
• Trends toward better outcomes observed with non-
   q
  squamous NSCLC in this study.   y
• Toxicities related to concurrent chemoradiation are
  similar to previous studies


                                                          29
                        Abstracts
      y    g
• Early stage
   Adjuvant therapy – BR10 Update (7501)
   NATCH (7500)


• Stage III
   ECOG 3598 – thalidomide (7503)
   CALGB 30407 – cetuximab (7505)


• Stage IV NSCLC
   “Maintenance” – Pemetrexed, SATURN, ATLAS (8000, 8001, 8002)
   Biomarkers – FLEX, IPASS (8006, 8007)
   Vandetinib trials – ZODIAC, ZEST, ZEAL (8003, 8009,8010)




                                                                  30
JMEN – “Maintenance” Pemetrexed Study Design
          Belani CP et al. ASCO 2009, abstr #8000


       Double-blind, Placebo-controlled, Multicenter, Phase III Trial


  Stage IIIB/IV NSCLC                  Pemetrexed 500 mg/m2
             0 1
  ECOG PS 0-1                            (d1 q21d) + BSC (N=441)*
                                          (d1,q21d)       (N=441)
  4 prior cycles of gem,
   doc, or tax + cis or
   carb, with CR, PR, or          2:1        Primary Endpoint = PFS
   SD
                              Randomization Secondary = OS, RR, DCR, Tox
  Randomization factors:
    • gender
    • PS
    • stage                             Placebo (d1, q21d) + BSC
    • best tumor                        (N=222)*
      response
                                   *B12, folate, and dexamethasone given in both
    • non-platinum drug            arms
    • brain mets                                                                   31
               Baseline Characteristics

                                Pemetrexed   Placebo
                                  N=441
                                  N 441      N=222
                                             N 222
                                   %            %
Median age, years                  60.6       60.4
Male/Female                       73/27       73/28
Caucasian/Asian/Other            63/32/4     67/30/3
Ever-smoker/Never-smoker          74/26       71/28
Disease stage (IIIB/IV)           18/82       21/79
ECOG PS 0/1                       40/60       38/62
Histology
   Non-squamous                     74         70
       Adenocarcinoma               50         48
       Large cell carcinoma         2           5
       Other or indeterminate       21         18
   Squamous                         26         30
                                                       32
                                     Progression-free Survival

                                                           HR=0.60 (95% CI: 0.49–0.73)
                               1.0                          P <0.00001
                     ability




                               0.9
                               0.8
             ree Proba




                               0.7
                               0.6
                               0.5                    Pemetrexed 4.0 mos
     ession-fr




                               0.4
                               0.3
                               0.2
Progre




                               0.1       Placebo 2.0 mos
                               0.0
                                     0        3      6         9     12     15    18     21   24
                                                            Time (months)

                                                                                                   33
   Overall Survival (Intent-to-treat Population)


                                                             (                 )
                                                     HR=0.79 (95% CI: 0.65–0.95)
                       1 .0                           P =0.012
                       0 .9
               ility




                       0 .8
Survival Probabi




                       0 .7
                       0 .6
                       0 .5                               Pemetrexed 13.4 mos
                       0 .4
                                  Placebo 10.6 mos
                       0 .3
                       0 .2
                          1
                       0 .1
                       0 .0
                              0   3   6    9   12 15 18 21 24 27 30 33 36 39 42 45 48

                                                        Time (months)


                                                                                        34
                                              Overall Survival by Histology

                                         Non-
                                         Non-squamous (n=481)                                          Squamous (n=182)

                                         HR=0.70 (95% CI: 0.56-0.88)                                  HR=1.07 (95% CI: 0.49–1.73)
                                          P =0.002                                                     P =0.678
                       1.0                                                          1.0
                       0.9
                       09                                                           09
                                                                                    0.9
                   y
 urvival Probability




                       0.8                                                          0.8
                       0.7                                                          0.7
                       0.6                                                          0.6
                       0.5                          Pemetrexed 15.5 mos             0.5                     Pemetrexed 9.9 mos
                       0.4                                                          0.4

                       0.3                                                          0.3
                                     Placebo                                                  Placebo
                       02
                       0.2                                                          0.2
                                                                                    02
Su




                                     10.3 mos                                                 10.8 mos
                       0.1                                                          0.1

                       0.0                                                          0.0
                             0   3   6   9 12 15 18 21 24 27 30 33 36 39 42 45 48         0   3   6    9 12 15 18 21 24 27 30 33 36 39 42 45 48

                                            Time (months)                                                 Time (months)


                                                                                                                                             35
            Efficacy by Histologic Groups

                                      Median OS, mos                       Median PFS, mos
  Histology Groups
                                                      P-value                            P-value
                               Pem        Plac                      Pem      Plac
                                                       (HR)                               (HR)

 Non-squamous
 Non squamous                                         0.002                             <0.00001
                               15.5       10.3                       4.4      1.8
 (n=481)                                              (0.70)                              (0.47)

   Adeno                                              0.026                             <0.00001
                               16 8
                               16.8       11 5
                                          11.5                       4.6
                                                                     46       27
                                                                              2.7
   (n=329)                                            (0.73)                              (0.51)

   Large cell                                          0.964                              0.104
                                8.4        7.9                       4.5      1.5
   (n=20)                                             (0.98)                              (0.40)

   Other                                               0.025                              0.0002
                               11.3        7.7                       4.1      1.6
   (n=133)                                            (0.61)                              (0.44)
 Squamous                                              0.678
                                                       0 678                              0.896
                                                                                          0 896
                                9.9       10.8                       2.4      2.5
 (n=182)                                              (1.07)                              (1.03)
There was a statistically significant treatment-by-histology interaction with both PFS (P=0·036) and OS (P=0·03
                                                                                                           36
          Systemic Post-study Therapy

                                                    Pemetrexed              Placebo
                                                     (N=441)               (N=222)
                                                                           (       )
                                                       %                       %
Patients with post-study therapy                          52                   67
Most common post-study therapies
               p        y      p
 Carboplatin                                               7                  10
  Cisplatin                                               5                   6
  Docetaxel                                               22                  29
  Erlotinib                                               22                  21
  Gefitinib                                               13                  10
  Gemcitabine
  G   it bi                                                9                  14
  Paclitaxel                                              4                   6
  Pemetrexed                                              1                   19
  Vinorelbine                                             13                  17
 Higher rate of follow-up treatment on the placebo arm
 Balanced selection of therapies between arms and low rate of crossover               37
          Systemic Post-study Therapy

                                                    Pemetrexed              Placebo
                                                     (N=441)               (N=222)
                                                                           (       )
                                                       %                       %
Patients with post-study therapy                          52                   67
Most common post-study therapies
               p        y      p
 Carboplatin                                               7                  10
  Cisplatin                                               5                   6
  Docetaxel                                               22                  29
  Erlotinib                                               22                  21
  Gefitinib                                               13                  10
  Gemcitabine
  G   it bi                                                9                  14
  Paclitaxel                                              4                   6
  Pemetrexed                                              1                   19
  Vinorelbine                                             13                  17
 Higher rate of follow-up treatment on the placebo arm
 Balanced selection of therapies between arms and low rate of crossover               38
SATURN– Phase III double-blind, placebo-controlled trial of
Maintenance Erlotinib in Non-progressors following 1st Line Platinum-
based Chemotherapy
Cappuzzo F et al. ASCO 2009, abstr #8001            Erlotinib
                                                                                                       PD
                                                                               150mg/day
      Chemonaïve            4 cycles of first-
       advanced              line platinum                Non-PD
                                                                                   1:1
        NSCLC                   doublet                    n=889
        n=1,949             chemotherapy*
                                                                                 Placebo               PD
     Mandatory tumour
        sampling


  Stratification factors:                                  Co primary
                                                           Co-primary endpoints:
  • EGFR IHC (positive vs negative vs                      • PFS in all patients
    indeterminate)                                         • PFS in patients with EGFR IHC+ tumours
  • Stage (IIIB vs IV)
                                                           Secondary endpoints:
  • ECOG PS (0 vs 1)
                                                           • OS in all patients and those with EGFR IHC+
  • CT regimen (cis/gem vs carbo/doc vs others)
                                                             tumours, OS and PFS in EGFR IHC–
  • Smoking history (current vs former vs never)             tumours; biomarker analyses; safety; time to
  • Region                                                   symptom progression; QoL

                                              *Cisplatin/paclitaxel; cisplatin/gemcitabine; cisplatin/docetaxel
                                        cisplatin/vinorelbine; carboplatin/gemcitabine; carboplatin/docetaxel
                                                                                         carboplatin/paclitaxel
                                                                                                              39
                         Baseline characteristics

                                                                      Erlotinib      Placebo
                                                                      (n=438)        (n=451)

Age, median (range), years                                           60 (33–83)     60 (30–81)

Male / female, %                                                       73 / 27        75 / 25

Stage IIIB / IV, %                                                     26 / 74        24 / 76

Caucasian / Asian / Other, %                                         84 / 14 / 1    83 / 15 / 1

ECOG PS 0 / 1, %                                                       31 / 69        32 / 68

Current / former / never smoker, %                                   55 / 28 / 18   56 / 27 /17

                            other,
Adenocarcinoma / squamous / other %                                  47 / 38 / 15   44 / 43 / 13

Response to prior chemotherapy, CR / PR/ SD, %                       <1 / 42 / 58   <1 / 47 / 52
CR = complete response; PR = partial response; SD = stable disease




                                                                                                   40
                   PFS*: all patients (ITT)
PFS probability
     1.0

                                                            Erlotinib         Placebo
     0.8
                              PFS at 12 wks (%)                 53                 40
                              PFS at 24 wks (%)                 31                 17
     0.6
                              HR=0.71 (0.62–0.82)
                              Log-rank p<0.0001
     0.4
     04
                                                                        Erlotinib (n=437)
                                                                        Placebo (n=447)
     0.2


       0
           0   8   16    24     32   40 48 56             64    72      80    88        96
                                          (weeks)
                                     Time ( eeks)
                        *PFS is measured from time of randomisation into the maintenance phase;
                                 assessments were every 6 weeks; ITT = intent-to-treat population
                                                                                                41
                  PFS*: EGFR IHC+ tumours
                    (co-primary
                    (co primary endpoint)
PFS probability
     1.0
                                                          Erlotinib        Placebo
                          PFS at 12 wks (%)                   54             40
     0.8
                          PFS at 24 wks (%)                   32             18

     0.6
                              HR=0.69 (0.58–0.82)
                              Log-rank p<0.0001
     0.4
     04
                                                                       Erlotinib (n=307)
     0.2                                                               Placebo (n=311)


       0
           0   8   16    24     32   40 48 56            64    72     80    88    96
                                          (weeks)
                                     Time ( eeks)
                        *PFS is measured from time of randomisation into the maintenance phase;
                                                              assessments were every 6 weeks
                                                                                              42
           Disease control rate ≥12 weeks*
Patients (%)
    50
                            p<0.0001
                            p<0 0001


                40.8%


    25                                 27.4%




     0
                Erlotinib              Placebo
                (n=436)                (n=445)
                                          *CR + PR + SD≥12 weeks
                                                               43
                 Subgroup analysis of PFS
                                                         HR (95% CI)       n
All                                                    0.71 (0.62–0.82)   884


Male                                                   0.78 (0.66–0.92)   654
Female                                                 0.56 (0.42–0.76)   230


C     i
Caucasian                                              0.75 (0.64–0.88)
                                                       0 75 (0 64 0 88)   744
Asian                                                  0.58 (0.38–0.87)   128


Adenocarcinoma                                         0.60 (0.48–0.75)   401
Squamous-cell                                          0.76 (0.60–0.95)   359


Never smoker                                           0.56 (0.38–0.81)   152
Former smoker                                          0.66 (0.50–0.88)
                                                       0 66 (0 50 0 88)   242
Current smoker                                         0.80 (0.67–0.97)   490


                   0.4   0.6    0.8        1.0   1.2
                               Favours     HR    Favours
                               erlotinib         placebo

                                                                                44
                PFS in EGFR wild-type tumours
PFS probability
      1.0
                                                         Erlotinib (n=199)
                                                         Placebo (n=189)
      0.8


      0.6
                                HR=0.78 (0.63–0.96)
                                Log-rank p=0.0185
      0.4
      04


      0.2


       0
            0     8   16   24   32   40 48     56   64   72   80    88       96
                                     Time (weeks)


                                                                                  45
                PFS in EGFR mutation+ tumours*
PFS probability
      1.0                                                Erlotinib (n=22)
                                                         Placebo (n=27)
      0.8
                                                      (         )
                                              HR=0.10 (0.04–0.25)
      0.6                                     Log-rank p<0.0001


      0.4
      04


      0.2


        0
            0     8   16   24   32   40 48     56   64   72   80    88      96
                                     Time (weeks)
                                                                    *60% censored

                                                                                 46
                      Summary of safety data
                                                        Erlotinib            Placebo
                                                        (n=433)
                                                        (       )            (     )
                                                                             (n=445)
Withdrawal due to any AE, %                                 5                     2
Dose modification/interruption due to any AE, %            16                     3
AEs      i in        f ti t
AE occurring i ≥10% of patients
    Rash, %                                                60                     9
     grade 3/4*                                             9                     0
    Diarrhoea, %                                           20                     4
     grade 3/4*                                             2                     0

•                    well characterised
     Erlotinib has a well-characterised safety profile; no unexpected safety signals
     were seen in this study
•    No deterioration in QoL was seen in the erlotinib and placebo arms (FACT-L
     questionnaire)

                                                                    *no grade 4 events reported
                                                                                              47
      ATLAS – Phase III Randomized, Double-Blind, Placebo-
      controlled Trial of Maintenance Erlotinib in Non-Progressors
                          Platinum-based
      Following 1st Line Platinum based Chemotherapy
      Miller V et al. ASCO 2009, abstr # 8002

                                                                        Bevacizumab (15mg/kg) +
                                                                         erlotinib (150mg) to PD
Chemo-naïve                 4 cycles of
 advanced                     1st-line                       Non-PD                                 Unblind       Post progression
                          chemotherapy*                    n=768 (66%)                  1:1                            therapy
  NSCLC                                                                                              at PD
  N=1,160                 + bevacizumab
                                                                              Bevacizumab +
                                                                                 placebo
                                                                                  to PD
     Eligibility                                                       Primary endpoint
     • Stage IIIB**/IV NSCLC                                           • PFS in all randomized pts
     • ECOG performance status 0-1                                     Secondary endpoints
     Stratification factors                                            • Overall survival
     • Gender                                                          • Safety
     • Smoking history (never vs                                       Exploratory endpoints
       former/current)                                                 • Biomarker analyses (
                                                                                        y    (IHC, FISH, EGFR &
     • ECOG performance status (0 v >1)                                  K-Ras mutation)
     • Chemotherapy regimen

*Carbo/paclitaxel; cis/vinorelbine; carbo or cis/gemcitabine; carbo or cis/docetaxel.   **IIIB with pleural effusion           48
                     ATLAS: Baseline Characteristics
                                            (ITT population)

                                           Bevacizumab + Placebo   Bevacizumab + Erlotinib
                                                  (n=373)*                (n=370)*
Median age, years (range)
        g ,y      (   g )                         64 (23-83)
                                                     (     )                (     )
                                                                         64 (31-88)
Sex, %
   Male                                              52.3                   52.2
   Female                                            47.7                   47.8
Race, %
   Caucasian                                         77.7                   79.2
   Asian                                             12.1                   11.6
   Other                                             10.2                   9.2
Disease Stage, %
   IIIB                                              10.2                   8.7
   IV                                                83.3                   85.6
   Recurrent                                         6.5                    5.7
ECOG PS, %
   0                                                 46.1                   48.1
   1                                                 53.6                   51.9
*Patients randomized as of July 18 2008.                                                49
    ATLAS: Baseline Characteristics (cont.)

                              Bevacizumab +   Bevacizumab +
                                 Placebo         Erlotinib
                                 (n=373)         (n=370)
Smoking status, %
  Current                         34.6            34.9
  Former                          47.7            48.6
  Never                           17 7
                                  17.7            16.5
                                                  16 5
Histology, %
  Adenocarcinoma                  82.5            81.3
  Squamous (peripheral)            1.6             3.0
  Other                           15.9            15.7

 Prior radiotherapy, yes, %       15.3            17.3

                                                              50
                                ATLAS: Progression-Free Survival
                                         (ITT population, investigator assessment)



                               1.0

                                                                                Bev + Placebo (n=373)
           rtion Witho Event




                               0.8                                              Bev + Erlotinib (n=370)
                     out




                               0.6
                                                                                    HR=0.722 (0.592-0.881)
                                                                                       Log-rank P=0.0012
                               0.4
      Propor




                               0.2


                               0.0
                                     0    3        6       9      12      15        18      21
                                               Progression-Free Survival (months)
       p
No. of patients at risk:

Bev + Placebo 373                        142       58      27     15       6         3       0
Bev + Erlotinib 370                      178       81      43     20       6         3       1
                                                                                                             51
     ATLAS: Additional PFS Outcome Measures


Progression Free Survival: HR=0.722 (0.592-0.881) Log-rank P=0.0012
(ITT population, investigator assessment)

                                            Bev + Placebo   Bev + Erlotinib
                                               (n=370)         (n=373)

                                                 3.75             4.76
 Median PFS, mos (95% CI)
                                             (2.83, 4.04)     (4.14, 5.52)
 PFS rate, % (95% CI)
                                                53.4             67.7
       3 mos
                                             (47.5, 58.9)     (61.9, 72.7)
                                                28.4             40.3
       6 mos
                                             (23.0, 34.1)     (34.2, 46.3)



                                                                              52
ATLAS: Grade 3-4 Adverse Events of Special Interest
                                       (Cont.)
   during the Post Chemotherapy Phase (Cont )


                                           Bev + Placebo, n (%)   Bev + Erlotinib, n (%)
                                                 (n=368)                (n=367)
                                              Grade 3–4                Grade 3–4
           Rash                                2 (0.5%)                38 (10.4%)
           Diarrhea                            3 (0.8%)                34 (9.3%)
           Infection                           17 (4.6%)               15 (4.1%)
           ILD-like events                         0                    2 (0.5%)
           Renal failure/ deficiency*              0                    2 (0.5%)
           Hepatic events*                      1 (0.3%)
                                                  (    )                  (    )
                                                                        1 (0.3%)




Grade 5 events:   Bev + Placebo: 1 (0.3%) infection.


                                                                                           53
 FLEX Phase III Trial: Cisplatin/Vinorelbine ±
     Cetuximab in EGFR IHC–Positive
  Advanced NSCLC – Biomarker Analysis
                O’Byrne K et al. ASCO 2009, abstr # 8006

                                                     Cisplatin 80 mg/m2 d1
                                             R
                                                   Vinorelbine 25 mg/m2 d1,8
                                             A   Cetuximab 400 mg/m2 d1, then
      Stage IIIB or IV                       N
   EGFR-expressing ( C)
    G                (IHC)                             250 mg/m2 weekly
                                             D               N=557
    chemotherapy-naïve
         NSCLC
                                             O
                                                   21-day cycle, up to 6 cycles
         N=1125                              M
                                             I      Cisplatin 80 mg/m2 d1
                                             Z    Vinorelbine 25 mg/m2 d1,8
                                             E              N=568

Primary endpoint: OS
Secondary endpoints: 1- and 2-year survival rates, 6-month and 12-
month PFS rates, RR, safety, QOL
Patient Selection Criteria: EGFR-expressing (IHC) stage IIIB/IV NSCLC,
PS 0-2, all histologies included; known brain metastases excluded
Pirker, R et al. Lancet 373:1525-33, 2009.                                        54
                               FLEX: Results
                                                 Median OS       1-Yr Surv.
                                  CV + Cetuximab 11.3 mos           47%
                                              CV 10.1 mos           42%
                                                     HR 0 871 P 0 044
                                                     HR: 0.871; P=0.044
      OS (%)




                                          Months

                           CV + Cetuximab                   CV                 P
 RR                               36%                      29%                0.01
 PFS                            4.8 mos                   4.8 mos              NS
 TTF                            4 2 mos
                                4.2                       3.7
                                                          3 7 mos             0.015
                                                                              0 015

NS=not significant; TTF=time to treatment failure.
Pirker R et al. Lancet, 373:1525-33, 2009.                                            55
                             y
               FLEX FISH analysis: OS
By FISH status
         FISH status      CT + cetuximab               CT             HR (95% CI)             p-value


Median   FISH -              10.6 mo               10.0 mo          0.91 (0.65–1.26)            0.56
 OS      FISH +              11.6 mo                9.9 mo          0.85 (0.56–1.29)            0.44


 y
By treatment
         Arm                  FISH -                 FISH +               HR (95% CI)             p-value
Median   CT + cetuximab      10.6 mo                 11.6 mo            1.09 (0.74–1.61)            0.66
 OS      CT                  10.0 mo                 9.9 mo             1.10 (0.76–1.58)            0.62




                           CI, confidence interval; CT, chemotherapy; HR, hazard ratio; OS, overall survival
                                                              O’Byrne K et al. ASCO 2009, abstract #8007.
                                                                                                               56
FLEX: FISH analysis: OS

                                                                    FISH +
                                                                    CT + cetuximab        (n=49)
                                                                    CT                    (n=53)
    erall surviva (%)




                                                                    FISH –
                al




                                                                    CT + cetuximab        (n=82)
                                                                    CT                    (n=95)
  Ove




                                                                                Months




                        CI, confidence interval; CT, chemotherapy; HR, hazard ratio; OS, overall survival
                                                             O’Byrne et al. ASCO 2009, abstract #8007.      57
     FLEX KRAS mutation analysis: OS
By mutation status
                t t
          KRAS status          t i b
                        CT + cetuximab                  CT                HR (95% CI)                l
                                                                                                 p-value
Median      Wild type       11.4 mo                  10.3 mo           0.96 (0.75–1.23)            0.75
 OS          Mutant         8.9 mo                   11.1 mo           1.00 (0.60–1.66)            1.00


By treatment
          Arm
          A                   KRAS                KRAS               HR (95% CI)                   l
                                                                                               p-value
                             Wild type            Mutant
 Median    CT + cetuximab     11.4 mo             8.9 mo          1.06 (0.72–1.56)               0.77
  OS             CT           10.3
                              10 3 mo            11 1 mo
                                                 11.1             1 02 (0 68 1 54)
                                                                  1.02 (0.68–1.54)               0.91
                                                                                                 0 91




                            CI, confidence interval; CT, chemotherapy; HR, hazard ratio; OS, overall survival
                                                                                                                58
FLEX KRAS mutation analysis: OS


                                                                           KRAS wild type
                                                                           CT + cetuximab (n=161)
 verall surviv (%)




                                                                           CT             (n=159)
             val




                                                                           KRAS mutant
                                                                           CT + cetuximab (n=38)
                                                                           CT             (n=37)
Ov




                                                                              Months




                     CI, confidence interval; CT, chemotherapy; HR, hazard ratio; OS, overall survival
                                                        O’Byrne K et al. ASCO 2009, abstract #8007.
                                                                                                         59
  FLEX: OS Early acne-like rash (1st cycle)
          Pre-planned
          Pre planned Analysis
                                                              Any grade: CT + Cetuximab
                                                              (N=290)


                   Overall Survival (%)
                                                              Grade 0:       CT + Cetuximab
                                    (
                                                              (N=228)
                                                              HR=0.631 (95% CI: 0.515-0.774)*
                                                              P<0.001
                           S




           Patients at Risk                     Months
           Grade 0          228           145    88      54    15        0
             y
           Any Grade        290           238   163     101    38        3

          CV + Cetuximab                        Any grade                Grade 0
          OS                                    15.0 mos                 8.8 mos
          RR                                          44%                    28%
          PFS                                    5.4 mos                 4.3 mos
*Landmark analysis.
Gatzemeier. 2008 Chicago Multidisciplinary Symposium in Thoracic Oncology (abstr 8).            60
 Iressa Pan Asian Study (IPASS) Phase III Trial:
Gefitinib vs Carboplatin/Paclitaxel in Selected Pts
  With Advanced NSCLC – Biomarker Analysis
                   Fukouka et al. ASCO 2009, abstr # 8007

               Never or light                             Gefitinib (250 mg/day)
              ex-smoker* with            R
              adenocarcinoma             A            Offered carboplatin/paclitaxel
                 histology               N                   on progression
                                         D
                    PS 0-2               O
                                         M
              Stage IIIB or IV           I                      p
                                                          Carboplatin (           )
                                                                       (AUC 5 or 6)
            chemotherapy-naïve           Z                             +
                 NSCLC                   E                 Paclitaxel (200 mg/m2)
                 N=1217                                3 times weekly up to 6 cycles


  Primary endpoint: PFS (noninferiority)
  Secondary endpoints: ORR, OS, QOL, disease-related symptoms, safety, and tolerability
  Exploratory: biomarkers – EGFR mutation, gene copy number, and protein expression

  *Never smoker=smoked <100 cigarettes in lifetime; light ex-smoker=stopped ≥15 years ago and
  smoked ≤10 pack-years.
  Mok. ESMO. 2008 (abstr LBA2).                                                                 61
  Progression-free survival in ITT population
Probability       1.0                                                                                          Carboplatin /
of PFS                                                                                         Gefitinib
                                                                                                                paclitaxel
                                                              N                                  609               608
                  0.8                                         Events                         453 (74.4%)       497 (81.7%)

                                                                   HR (95% CI) = 0.741 (0.651, 0.845) p<0.0001

                  06
                  0.6                                         Median
                                                              M di PFS (  (months)
                                                                               th )               57
                                                                                                  5.7              58
                                                                                                                   5.8
                                                              4 months progression-free          61%              74%
                                                              6 months progression-free          48%              48%
                                                              12 months progression-free         25%               7%
                  0.4
                                                                       Gefitinib demonstrated superiority relative to
                                                                         carboplatin / paclitaxel in terms of PFS
                  0.2


                  0.0
      At risk :         0     4             8            12              16             20                 24 Months
     Gefitinib          609   363         212            76              24              5                 0
  Carboplatin /         608   412         118            22               3              1                 0
     paclitaxel


Primary Cox analysis with covariates
HR <1 implies a lower risk of progression on gefitinib
                                                                                                                               62
        Patients with evaluable (known)
                biomarker data
                                     N (% of total known)

Biomarker          Status    Gefitinib    Carboplatin       Overall
                                          / paclitaxel


EGFR mutation     Positive   132 (59%)     129 (60%)     261 (60%)
                  Negative   91 (41%)      85 (40%)      176 (40%)
EGFR-gene-copy     High      124 (60%)     125 (62%)     249 (61%)
number
                    Low      81 (40%)      76 (38%)      157 (39%)
EGFR expression   Positive   132 (71%)     134 (74%)     266 (73%)
                  Negative   53 (29%)      46 (26%)      99 (27%)




                                                                      63
                p
          Overlap of biomarkers
High EGFR-                                   EGFR expression
                         25
gene-copy                                       positive
                                        51
  number
              13                                 N=242
  N=198
                       Positive
                       for all 3
                     biomarkers
             28
                        N=132


                                              Negative for all
                                   34
  EGFR              15
                                               3 biomarkers
 mutation                                           N=31
 positive
  N=209      N=329 with known biomarker
              status for all 3 biomarkers


                                                                 64
                            EGFR mutation status
                                                    N (% of all patients)
                                        [% of patients with EGFR mutation positive]

  EGFR mutation status                      Gefitinib                   Carboplatin/paclitaxel
                                            (n=609)                           (n=608)
  Negativea                               (14.9)
                                       91 (14 9)                                   (14.0)
                                                                                85 (14 0)
  Positiveb                          132 (21.7)                               129 (21.2)
      Exon 19 deletions                             66 [50.0]                               74 [57.4]
      Exon 21 L858R                                    [48.8]
                                                    64 [48 8]                                  [36.4]
                                                                                            47 [36 4]
      Exon 20 T790M                                  5 [ 3.8]                                6 [ 4.7]
      Otherc                                         3 [ 2.3]                                7 [ 5.4]
  Unknownd                               (63.4)
                                     386 (63 4)                                   (64.8)
                                                                              394 (64 8)
aNo  mutation detected
bEleven  patients had multiple mutations and are counted more than once
cIncludes 3 patients with exon 18 G719X, 5 with exon 20 S768I, and 2 with exon 21 L861Q

                                                                 analysis,
d Patients without a tumour sample evaluable for EGFR mutation analysis and samples which were not

successfully analysed for EGFR mutation status were classified as unknown.



                                                                                                        65
    Progression-free survival by biomarkers
                                                                                           Treatment-by-subgroup
                  Known mutation status                                                    interaction test p-value
                 EGFR mutation positive                                                               p<0.0001
                                                                                                      for EGFR
                EGFR mutation negative                                                                mutation

Known EGFR-gene-copy number status

         High EGFR
         Hi h EGFR-gene-copy number
                                b                                                                     p=0.0437
                                                                                                      p=0 0437
                                                                                                      for EGFR-
          Low EGFR-gene-copy number                                                                   gene-copy
                                                                                                      number
                 o   e p ess o
               Known expression status

              EGFR expression positive                                                                p=0.2135 for
                                                                                                      EGFR expression
             EGFR expression negative


                                        0.25        0.5        1.0        2.0       4.0
                                       HR (gefitinib vs carboplatin/paclitaxel) and 95% CI
                                         Favors gefitinib             Favors carboplatin/paclitaxel

 ITT population; Cox analysis with covariates; HR <1 implies a lower risk of progression on gefitinib



                                                                                                                      66
  IPASS: PFS by EGFR Mutation Status
                                                   Gefitinib EGFR M+ (N=132)
                                                   Gefitinib EGFR M– (N=91)
                          1.0
                                                   Carboplatin/paclitaxel EGFR M+ (N=129)
                                                   Carboplatin/paclitaxel      M– (N=85)
                                                   Carboplatin/paclita el EGFR M (N 85)
                          0.8                      Gefitinib, HR=0.19; P<0.0001
                                                   Carboplatin/paclitaxel, HR=0.78; P=0.1103
       obability of PFS
                    P




                          0.6


                          0.4
     Pro




                          0.2


                          0.0
                                0   4        8        12          16           20           24
                                        Time From Randomization (months)

    H    d ti       implies lower risk of progression i th M+
    Hazard ratio <1 i li a l         i k f        i in the
                     group than in the M– group
Mok. ESMO. 2008 (abstr LBA2).                                                                    67
           Objective response rates by treatment
                   and biomarker status
  OR (95% CI): 2.75               0.04             1.79             0.80             1.49             1.44
           (1.65, 4.60)       (0.01, 0.27)     (1.08, 2.96)     (0.38, 1.68)     (0.92, 2.42)     (0.60, 3,47)
  p-value:    0.0001            0.0013           0.0243           0.5580           0.1093           0.4146

       80
                71.2
       70                                                                                  Gefitinib
                                                58.9                                       Carboplatin/paclitaxel
       60
                                                                                  51.5
       50           47.3                             44.8                                41.8
 ORR (%)




       40                                                                                          34
       30                                                               26.3                            26.1
                                      23.5                       22 2
                                                                 22.2
 O




       20
       10
                                1.1
           0
                Positive        Negative           High             Low            Positive        Negative
                    EGFR mutation             EGFR-gene-copy number                  EGFR expression
               n=132 n=129     n=91 n=85      n=124 n=125        n=81 n=76      n=132 n=134       n=53 n=46


p-values from logistic regression with covariates; OR >1 implies greater chance of response on gefitinib; ITT
population


                                                                                                                 68
                            IPASS: OS by EGFR Mutation Status

                              EGFR Mutation Positive                                             EGFR Mutation Negative
                                      Gefitinib (N=132)                                               Gefitinib (N=91)
                                      Carboplatin/paclitaxel (N=129)                                  Carboplatin/paclitaxel (N=85)
        Probability of OS




                                                                        robability of OS
                  y




                                          Months                       Pr                                 Months
Patients at Risk
Gefitinib       132           126   114   73    41    17     0     0                       91   69   44   25     13    5      0       0
Carboplatin/ 129              123   105   67    38    15     1     0                       85   75   55   24      9    4      0       0
    paclitaxel
                 • Cox analysis with covariates                   • ITT population
                 • HR<1 implies a lower risk of death on          • Post-hoc analysis of OS by EGFR
                   gefitinib                                        mutation status
                   Mok. 2008 Chicago Multidisciplinary Symposium in Thoracic Oncology.                                            69
                          Summary
• EGFR mutation status
   – In mutation positive patients, PFS was significantly longer with
     gefitinib than with carboplatin/paclitaxel
   – In EGFR mutation negative patients, PFS was significantly
     shorter with gefitinib than with carboplatin/paclitaxel
  EGFR-gene-copy number
• EGFR              b
   – A possibly related trend in PFS was observed. Post hoc
     explorations suggest this effect was driven by the overlap of
     high EGFR-gene-copy number with a positive EGFR mutation
     status
• EGFR protein expression
   – This was found to be less of a differentiator between the two
     treatment arms in terms of PFS
• ORR results were consistent with PFS results

                                                                        70
   Vandetinib is a Selective Inhibitor of Key
       Signaling Pathways in Cancer
       Si     li P th         i C
                                                  Kinase               IC50 (M)
                                                VEGFR-2 (KDR)            0.04
                               F             Br VEGFR-3 (Flt-4)          0.11
                                                RET                      0.13
                               N                EGFR                     0.50
                O
                                   N              VEGFR-1 (Flt-1),
                                                  VEGFR 1 (Flt 1),         1
                                                                          >1
                                                  PDGFR-Tie-2,
                O              N
                                                  FGFR1
   N                                              MEK, CDK2              >10
                                                  c-Kit, erbB2, FAK,     >20
                M Wt = 475 Da                     PDK1
                                                  Akt                    >100
                                                  IGF-1R                 >200
Adapted from Wedge SR et al. Cancer Res 2002;62:4645–4655
                                                                                71
                      ZEAL
                  al.      2009,
    de Boer RH et al ASCO 2009 abstr # 8010
• 534 2nd line pts randomized to pemetrexed + vandetinib
• Primary endpoint – PFS
• PFS HR – 0.86, p=0.108
•                    f   i P             d ti ib (p<0.001)
  RR – 19% vs 8% favoring Pem + vandetinib ( 0 001)
• Delayed time to symptom progression (HR=0.61,
  p=0.004)
  p 0.004)
• No difference in overall survival
• Conclusion: Negative trial but largely consistent with the
  ZODIAC results
• Issue: Inclusion of squamous cell carcinoma (21%)


                                                               72
                     ZEST
                 al.     2009,
    Natale RB et al ASCO 2009 abstr # 8009
• 1240 2nd+ line pts randomized to erlotinib vs vandetinib
• Primary endpoint – PFS (superiority)
• PFS HR – 0.98, p=0.7
•                         l ti b      d ti ib (p=ns)
  RR – 12% vs 12% erlotinb vs vandetinib (         )
• Vandetinib was more toxic (diarrhea, QTc interval,
  overall incidence of > grade 3 AEs)
• No difference in overall survival; planned non-inferiority
  test for PFS and OS showed vandetinib was “not
  inferior”       l i ib
  i f i ” to erlotinib
• Conclusion: Negative superiority trial; positive non-
  inferiority trial (secondary)

                                                               73
                                  Vandetinib

     Trial         Comparator      #Pts     PFS*        RR (%)      Comment
  ZODIAC           D   t
                   Docetaxel +
                           l       1391    0.79
                                           0 79        17 vs 10      TDS 0 78
                                                                         0.78
 (abstr # 8003)    Vandetinib             p<0.001      p<0.001       p=0.002
                                                                     OS 0.91
                                                                     p=0.196
    ZEAL           Pemetrexed +    534     0.86        19 vs 8       TDS 0.61
 (abstr # 8010)     Vandetinib            p=0.108      p<0.001       p=0.004
                                                                     OS 0.86
                                                                      p=0.2
                                                                      p
    ZEST            Vandetinib     1240     0.98       12 vs 12      OS 1.01
 (abstr # 800^9)        Vs                 p=0.7        p=ns         p=0.83
                     Erlotinib


* PFS was primary endpoint in all three trials: RR, OS and TDS (time to
deterioration of symptoms) were secondary endpoints



                                                                                74
Thank you




            75

						
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