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TheBody.com/TheBodyPRO.com covers the 17th Conference on Retroviruses and Opportunistic Infections
  
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Medical News

Future of AIDS Gels May Lie in Drugs, Experts Say

March 8, 2010

Research presented at the 17th Conference on Retroviruses and Opportunistic Infections indicates a new class of antiretroviral drugs called CCR5 entry inhibitors could be used to produce an effective microbicide against HIV. The drugs block HIV from entering human cells using a type of cellular doorway or receptor named CCR5.

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Dr. John Moore, of Weill Cornell Medical College, and colleagues tested the CCR5 inhibitor maraviroc, a Pfizer drug sold under the brand name Selzentry. Tests in monkeys showed a candidate microbicide containing the drug would protect a female from sexual HIV transmission for about four hours.

Scientists have long been searching for a cream, gel or vaginal ring that could provide a chemical shield against HIV, and several substances have been tested unsuccessfully. "The next wave of compounds is all going to be based on antiretroviral drugs," Moore told reporters.

"The CCR5 inhibitors are compelling candidates as an alternative because these drugs are not being used for treatment in, for example, Africa," said Moore, meaning there is less risk of resistance developing.

The approach could also be affordable, Moore noted. A single 300 mg maraviroc tablet retails for about $15 online and contains enough drug to fully protect roughly 15 macaques, he said. "That is broadly going to be applicable to women."

Back to other news for March 2010

Adapted from:
Reuters
02.19.2010; Maggie Fox

  
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This article was provided by CDC National Prevention Information Network. It is a part of the publication CDC HIV/Hepatitis/STD/TB Prevention News Update.
 
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Please note: Knowledge about HIV changes rapidly. Note the date of this summary's publication, and before treating patients or employing any therapies described in these materials, verify all information independently. If you are a patient, please consult a doctor or other medical professional before acting on any of the information presented in this summary. For a complete listing of our most recent conference coverage, click here.

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