FDA Counterfeit Drug Warnings

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							                   Available online at http://www.doh.state.fl.us/disease_ctrl/aids/news/pc.html
                                             Issue 27,June 1, 2002

FDA Counterfeit Drug Warnings                                     ADAP Award
                                                                  The Florida AIDS Drug Assistance Program
Epogen                                                            (ADAP) has been recognized by the Title II
In cooperation with the FDA, on May 8th Amgen                     Community AIDS National Network as the outstanding
notified pharmacists and health care providers                    AIDS Drug Assistance Program of the year. Scott
of counterfeit Epogen (epoetin alfa). The active ingredient       Evertz, Director of the White House Office of National
in ten-pack boxes of Epogen 40,000 U/mL vials (lot                AIDS Policy, presented the award during the National
number P002970) was found to be 20 times lower than               ADAP Educational Forum in Washington, DC. The
expected. Pharmacists and health care providers should            National ADAP Educational Forum is an annual
carefully examine all vials of EPOGEN before use. The             meeting for representatives from the 54 state and
“Dear Provider” letter and a detailed description of the          territorial AIDS Drug Assistance Programs in the
counterfeit product is available on the FDA website:              United States to share strategies and best practices.
http://www.fda.gov/medwatch/SAFETY/2002/safety02.htm              In response to the award, Florida Department of
#epogen.                                                          Health Secretary John O. Agwunobi, M.D., MBA,
Ziagen Mislabeled as Combivir                                     stated, “It’s an incredible honor to have our Bureau of
The Washington Post (5/11/02) reported that at least four         HIV/AIDS recognized as an example for the nation”.
sealed bottles of GlaxoSmithKline's antiretroviral
medication Ziagen were improperly labeled and sold as
Combivir. Mislabeled bottles were found in California,            Early Access Program for Atazanavir
Connecticut, Maryland and Florida by patients and
pharmacists who noticed that the pills looked different.          Bristol-Myers Squibb is now enrolling
Although no patients have been harmed, the FDA is                 patients in an early access program
monitoring adverse event reports for any possible increase        (EAP) for the experimental protease
in side effects among patients taking the drugs.                  inhibitor, atazanavir. While atazanavir has
GlaxoSmithKline (GSK) spokesperson Mary Anne Rhyne                not been approved for commercial use, the drug is in
said an internal investigation concluded that the error did       the late stage of clinical trials and approval is
not occur within the company, leading the FDA's criminal          anticipated. Phase II data supported the potency,
investigations unit to believe the counterfeiting is part of a    safety, tolerability, and sustained antiviral effect of
"very sophisticated drug diversion and relabeling scheme"         atazanavir in both treatment-naïve and treatment-
that occurred somewhere in the distribution system. GSK           experienced patients. The data also suggested that
is urging patients and pharmacists to double check                atazanavir could be the first once-daily protease
medication. Any suspicious bottles should be returned to          inhibitor and that, unlike current protease inhibitors,
GSK for further investigation. Patients or pharmacists with       atazanavir does not appear to produce elevated
questions can call 1-888-825-5249 for more information.           cholesterol and triglycerides. Eligible patients include
                                                                  those who are failing their current antiretroviral therapy
Serostim
                                                                  (defined as an HIV RNA level > 5000 copies/ml and a
On May 16, the FDA and Serono advised providers and
                                                                  CD4 cell count of < 300), and those who have severe
pharmacists of a new lot of counterfeit Serostim® 6 mg
                                                                  HAART-associated hyperlipidemia despite lipid
(somatropin). The counterfeit vials bear lot number S810-
                                                                  lowering therapy, defined as a triglyceride level > 750
1A1. Preliminary information appeared to indicate that the
                                                                  mg/dL or a cholesterol level meeting National
counterfeit material might have been distributed via the
                                                                  Cholesterol Education Program (NCEP) guidelines for
Internet. However, pharmacists should examine all
                                                                  use of a lipid lowering agent. The viral load and CD4
Serostim to ensure that the package does not bear lot
                                                                  count restrictions do not apply to this latter group of
number S810-1A1. Any product labeled as Serostim® and
                                                                  patients. Restrictions regarding use of atazanavir with
carrying this lot number should be considered to be
                                                                  some of the other antiretroviral medications will also
counterfeit and returned for replacement. Additional
                                                                  be applied during the initial EAP. Medical providers
information is available from Serono's product information
                                                                  who wish to participate in the atazanavir EAP should
line at 1-888-275-7376.
                                                                  call 1-877-726-7327.        In addition to the BMS
                                                                  application, DOH providers will need to submit a
A complete summary of all FDA drug and safety                     proposal to the Departmental IRB. The Bureau of
warnings is available on the MedWatch Internet site at            HIV/AIDS has submitted a preliminary proposal to
http://www.fda.gov/medwatch/SAFETY/2002/safety02.h                facilitate the process for expedited reviews. DOH
tm                                                                providers can call 850-245-4585 to obtain forms and
                                                                  information about the IRB process.
New STD Treatment Guidelines                                             Simultaneous administration of ddI 400 mg and
MMWR, May 3, 2002 / 51(RR06);1-80                                        tenofovir 300 mg with a light meal resulted in a 60%
                                                                         increase in didanosine exposure. Administration of ddI
Sexually transmitted diseases (STDs) infect an estimated                 400 mg one hour before tenofovir 300 mg (both in the
15 million people each year in the United States. The                    fasting state) resulted in a 44% increase in didanosine
Centers for Disease Control and Prevention (CDC) has                     exposure. Patients taking tenofovir and standard
issued new national guidelines to help health care                       doses of Videx concomitantly should be monitored
providers protect their patients from STDs. The 2002                     closely for didanosine-associated adverse events.
Guidelines for the Treatment of Sexually Transmitted                     Fatal and non-fatal pancreatitis, lactic acidosis, and
Diseases include new recommendations for effective                       severe hepatomegaly have occurred with didanosine
treatment regimens, screening procedures, and prevention                 and it is not known if the elevated ddI levels resulting
strategies.     The guidelines are available online at                   from coadministration with tenofivir would increase the
http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5106a1.ht                     risk of serious complications. A complete copy of the
m. Changes from previous guidelines included:                            BMS letter to HIV providers is available online at
Rescreening for Chlamydia – It is now recommended                        http://www.atdn.org/warn1.html. Additional information
that women with chlamydial infections be rescreened three                is also available from the BMS Virology Department at
to four months after treatment is completed. This is the first           1-800-426-7644.
time CDC has recommended rescreening in the
management of chlamydia.                                                 Potential Shortage of Western
Alternative Gonorrhea Treatments - Ciprofloxacin-                        Blot Test Kits
resistant strains have become so common on the west
coast that the use of fluoroquinolone antibiotics to treat               In the United States, the HIV testing process begins
gonorrhea is inadvisable in California. This is the first time           with an initial screening enzyme immunoassay (EIA). If
CDC has issued this guidance in the continental United                   reactive, the EIA is repeated in duplicate on the same
States. The antibiotics cefixime and ceftriaxone are now                 specimen. If repeatedly reactive, the specimen is then
recommended as first-line drugs to treat gonorrhea in                    tested with a more specific confirmatory or
Hawaii and California.                                                   supplemental test to validate the EIA results and to
Annual HIV Test and STD Screening for MSM Clients-                       prevent notification based on false-positive results that
Health care providers are now urged to assess the sexual                 might occur with the screening tests. In April, Calypte
risk for all male patients, including the gender of partners.            Biomedical Corporation announced it’s intent to stop
For sexually active men who have sex with men, the                       production of the Cambridge Biotech HIV-1 Western
guidelines recommend annual screening for STDs – HIV,                    Blot (WB) kit. The Cambridge kit is one of only two
chlamydia (anal, urethral), syphilis and gonorrhea (anal,                HIV-1 WB kits licensed by the FDA for confirmatory
pharyngeal, urethral) – and vaccination against hepatitis A              HIV testing. The other WB test is the Genetic Systems
and B. More frequent STD screening may be indicated for                  Western blot kit made by BioRad Laboratories. A third
those who indicate having multiple anonymous partners or                 WB kit made by OraSure Technologies is approved for
having sex in conjunction with illicit drug use.                         supplemental testing of reactive oral fluid samples but
New Serological Tests to Diagnose Genital Herpes -                       not for screening and supplemental testing of blood
New testing procedures may help providers diagnose and                   and plasma. Supplemental tests include the WB test or
manage genital herpes type one (HSV-1) or type two                       the more expensive indirect immunofluorescence
(HSV-2). Since antiviral therapy may benefit individuals                 assay (IFA). Some laboratories are experiencing
with herpes symptoms, providers who are aware of their                   delays in obtaining WB supplemental test kits, and the
patient’s viral serotype can tailor counseling and treatment             potential exists for future delays in supplemental
plans to best fit their needs.                                           testing. CDC is collaborating with FDA and other
Treatment for Partners- CDC stated that it is "critical" for             private and public health partners to develop
providers to make every effort to see that patients' partners            alternative strategies for HIV diagnostic testing if the
get tested and treated for STDs.                                         shortage of supplemental test kits continues. As an
                                                                         established customer of BioRad, the Florida state lab
DDI and Tenofovir Warning                                                has not experienced any difficulty obtaining an
                                                                         adequate supply of WB kits. There has been a price
A recent study by BMS and Gilead Sciences, investigated                  increase of $4.00 per test, which will increase the
the pharmacokinetics of co-administration of ddI                         annual cost of testing by $20,000 dollars. Laboratories
(didanosine, VIDEX EC) with tenofovir. The results                       experiencing difficulty obtaining kits for confirmatory
showed when compared to the administration of DDI alone                  testing can contact the CDC at 404-639-4581. Persons
in a fasted state, the administration of ddI 400 mg two                  being tested for HIV may need to be counseled that
hours before tenofovir 300 mg with a light meal, resulted in             they might experience delays in receiving their HIV
an 46% increase in serum didanosine levels.                              test results.

                      Send questions, comments, and/or submissions for future issues via email, phone, or fax to:
                     Gayle McLaughlin@doh.state.fl.us, 850-245-4444, suncom 205-4444, ext. 2534, fax 850-414-6719.

						
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