http://hivinsite.ucsf.edu/InSite.jsp?page=ts-00-00

It contains all HIV-related clinical trials in the U.S. that are open for enrollment. There are three ways to search: by treatments or medications, by medical conditions, or by location (state) of clinical trial study site. A "Personalized Search" option is available for users to enter relevant medical history, such as, CD4 cell (T-cell) count, viral load, past/current HIV-related medical history, and HIV medication history, and retrieve a list of clinical trials that they may qualify for