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PROGRAM
Microbicides

Clinical Studies

Population Council researchers are testing promising microbicidal compounds, developed by the organization's biomedical scientists, in human tests known as clinical trials.

A Phase 1 or safety trial is conducted with a small number of healthy volunteersonce laboratory research has shown that human testing of a promising microbicide is warrantedto ensure that the product is acceptable and does not cause harm to people. An expanded safety, or Phase 2, trial is then undertaken with more participants over a longer period to further confirm the formulation's safety, its acceptability to its users, and, in some cases, to preliminarily gauge its efficacy.

A clinician explains condom use to a trial participant.

All Phase 3 trial participants were encouraged to use condoms to help protect themselves against possible infection; here, a clinician explains condom use to a participant. Slide show of trial activities)

Photos: Population Council/Bev Symmonds, Laboratory Manager

Phase 3 studies test for efficacy and involve the largest number of participants. (For information on the results of the Phase 3 trial of Carraguard®, the Council's candidate microbicide, see the news release.) Such studies form part of the process of bringing a new pharmaceutical product, such as a microbicide, safely to the consumer. Local regulators oversee these trials, as the South African Medicines Control Council did for the Carraguard Phase 3 study.

Before and during all these trials, other activities also take place. Ensuring that women can truly give informed consent to participating in a trial; encouraging local community members and organizations to learn about and become involved in trials taking place in their community; conducting research to understand the conditions under which women will be using microbicides; and scaling up local clinics to meet trial needs—these and many other activities are aimed at creating a life-saving product in an ethical, practical, scientifically sound manner.

More detailed information on all phases of testing and microbicides-related research can be found at:


See Also

  • "A conversation with Mary-Jane Malebo Ratlhagana, microbicides trial community outreach team member, Setshaba Research Centre, Soshanguve, Pretoria" (full text)

  • "Clinical trial outcomes for potential microbicide products" (PDF)

  • HIV and AIDS

  • Slide show of trial activities

  • More about Council clinical studies

Contact: microbicide@popcouncil.org

Carraguard® is the Population Council's US trademark for pharmaceutical preparations, namely microbicides, for use in preventing infection.



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This page updated
4 December 2008


 
   

What's New

HIV prevention news: PRO 2000, a candidate microbicide developed by Indevus Pharmaceuticals, Inc., and tested in a clinical trial in six countries on two continents, was found to be safe and to have reduced the risk of HIV infection by 30 percent. While not statistically significant, this finding was welcomed by the HIV-prevention field as an optimistic sign for future success. (more

The Lancet’s 6 December issue features results from the Phase 3 trial of Carraguard®. (Trial results were announced previously by the Population Council in February 2008.) (more) For fact sheets and other resources about the Carraguard trial, click here

Presentations at the Microbicides 2008 conference in New Delhi by Council researchers are available. (more)

"Benefits of the Population Council's microbicides program and Phase 3 Carraguard trial" (2008) (PDFs: A4 and letter)

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Publications/Resources

"Our current microbicide trials: Lessons learned and to be learned" (2006) (PDF)

"The Population Council, HIV and AIDS, and microbicides," a fact sheet for those seeking additional information about the Carraguard trials (full text)

More