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Are there gender differences in anti-HIV drug efficacy?




 



2012 AUG 27 (NewsRx) -- By a News Reporter-Staff News Editor at AIDS Weekly -- Women comprise nearly half of the HIV-infected population worldwide, but these 15.5 million women tend to be under-represented in clinical trials of anti-HIV drug therapies. The U.S. Food and Drug Administration (FDA) has created a database from 40 clinical studies to assess gender differences in the efficacy of antiretroviral treatments. The results of this study are presented in an article in AIDS Patient Care and STDs, a peer-reviewed journal from Mary Ann Liebert, Inc., publishers. The article is available free on the AIDS Patient Care and STDs website at http://www.liebertpub.com/apc (see also HIV/AIDS).

Guoxing Soon and coauthors from the FDA and University of Texas Southwestern Medical Center, Dallas, TX, found that women represented only about 20% of the subjects in randomized clinical trials submitted to the FDA between 2000 and 2008. The article "Meta-Analysis of Gender Differences in Efficacy Outcomes for HIV-Positive Subjects in Randomized Controlled Clinical Trials of Antiretroviral Therapy (2000-2008)" compares the effectiveness of anti-HIV drug regimens reported for women versus men overall and among various subgroups.

The authors found no statistically or clinical significant differences between women and men in outcomes with regard to viral load after 48 weeks. However, they did report significant gender differences favoring males based on subgroup analyses.

"This is a critical area of research in terms of developing new HIV therapies," says Editor-in-Chief Jeffrey Laurence, MD, Director of the Laboratory for AIDS Virus Research at Weill Medical College of Cornell University, New York, NY. "Mounting evidence indicates that metabolism of certain drugs varies in men vs. women, and side effects that interfere with adherence to these medications may also be manifest differently."

Keywords for this news article include: Antiretrovirals, Drugs, Therapy, HIV/AIDS, Virology, Metabolism, RNA Viruses, Patient Care, Retroviridae, Gender Health, HIV Infections, Women's Health, Vertebrate Viruses, Government Agencies, Offices and Entities, Primate Lentiviruses, Clinical Trial Research, Viral Sexually Transmitted Diseases.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2012, NewsRx LLC



 


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Information in this article was accurate in August 27, 2012. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.