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Antiretroviral Therapy
(Part XXV)

Clinical Implications of Resistance To Antiretroviral Drugs

November 21, 1997

A note from TheBody.com: Since this article was written, the HIV pandemic has changed, as has our understanding of HIV/AIDS and its treatment. As a result, parts of this article may be outdated. Please keep this in mind, and be sure to visit other parts of our site for more recent information!

AIDS INFORMATION NEWSLETTER AIDS Information Center
VA Medical Center, San Francisco
The treatment of HIV infection is one of the most rapidly evolving fields in medicine. Advances in basic research, the development of new technologies for monitoring therapy, the continuous introduction of new drugs into clinical practice, and the dissemination of the results of recent trials all raise expectations and suggest new strategies for optimal management of HIV disease. It is clear that, as more antiretrovirals become available, clinicians will face more and more complex decisions on when to start antiretroviral treatment and with what combinations and, in the long term, how to define therapeutic failure.

Although analysis of the relation between drug resistance and treatment failure has in the past been complicated by concomitant interaction with other virological factors, the emergence of drug resistance appeared, until a few years ago, to be the inevitable consequence of all antiretroviral treatments and the major cause of therapeutic failure. Because of expanded knowledge of the dynamics of HIV replication that has become available within the last two to three years, we now understand that the rapid emergence of resistance is a direct consequence of the incomplete viral suppression obtainable with single or double nucleoside therapy.

Indeed, in just a very short time, new virological concepts have emerged and results from trials with potent combinations have demonstrated that drug resistance can be at least delayed, if not completely overcome, by appropriate treatment strategies.

Contents:

A note from TheBody.com: Since this article was written, the HIV pandemic has changed, as has our understanding of HIV/AIDS and its treatment. As a result, parts of this article may be outdated. Please keep this in mind, and be sure to visit other parts of our site for more recent information!



  
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See Also
The Body's Guide to HIV Drug Resistance
Archived Material on Drug Resistance Research

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