The focus of this review will be to highlight articles from 2000 and up to August 2001 that demonstrate the challenges in the evaluation of candidate microbicides, and the ways in which investigators have approached these challenges.
MRC Clinical Trials Unit, London, UK
Correspondence to Sheena McCormack, Senior Clinical Epidemiologist, MRC Clinical Trials Unit, 222 Euston Road, London NW1 2DA, UK. Tel: +44 20 7670 4708; fax: +44 20 7670 4818; e-mail: email@example.com
Abbreviation STI: sexually transmitted infection