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Updated: Jun 28, 2026
05:46
Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
Published on: April 9, 2014
Topical microbicides to prevent HIV: clinical drug development challenges
Craig W Hendrix1, Ying Jun Cao, Edward J Fuchs
1Division of Clinical Pharmacology, Johns Hopkins University School of Medicine, USA. chendrix@jhmi.edu
Annual Review of Pharmacology and Toxicology
|November 14, 2008
Summary
Developing effective microbicides for HIV prevention requires understanding complex interactions. New mechanistic approaches are needed to overcome past trial failures and improve drug development for sexual HIV prevention.
Area of Science:
- Virology
- Pharmacology
- Public Health
Background:
- Microbicides are crucial topical agents for preventing sexual HIV transmission.
- Past large-scale microbicide trials have unfortunately yielded negative efficacy results.
- The current empirical development paradigm needs reevaluation due to complex host-virus-drug interactions.
Purpose of the Study:
- To reevaluate the microbicide development paradigm.
- To identify knowledge gaps in virus and drug distribution within receptive compartments.
- To promote a shift towards a mechanistic, model-based development approach.
Main Methods:
- Reviewing existing microbicide development strategies.
- Identifying essential information for designing effective microbicides.
- Developing new methodological approaches for knowledge acquisition.
Main Results:
- Significant knowledge gaps exist regarding virus and drug pharmacokinetics in relevant anatomical sites.
- A conceptual framework is proposed for a mechanistic development paradigm.
- Methodological advancements are emerging to gather necessary data.
Conclusions:
- A mechanistic, model-based approach is essential for future microbicide development.
- Understanding in-vivo microbicide dynamics is critical for efficacy.
- Further research and methodological innovation are needed to improve microbicide design and effectiveness.
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