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Article: HIV Microbicide Trials Stopped, Dropping Polydex's Stock Prices.
- Article from:
- BIOWORLD Today
- Article date:
- February 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 A Thomson Healthcare Company. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Aaron Lorenzo, Washington Editor
Shares in Polydex Pharmaceuticals Ltd. lost more than half their value on news that two Phase III trials of its HIV prevention product have been halted.
The product, called Ushercell, is a cellulose sulfate-based vaginal microbicide being developed to prevent the virus from infecting women. But a reproductive health research organization called the Program for Contraceptive Research and Development (CONRAD), which is conducting one of the studies, halted it because preliminary results at some trial sites indicated that cellulose sulfate instead could lead to potential increased risk of HIV infection in women who ...