Geneva, Switzerland -- In the first large-scale study of HIV treatment among the urban poor, University of California San Francisco AIDS researchers have found that very few of the HIV-infected poor receive drugs to combat the virus. Of those who do take anti-retroviral drugs, the researchers found a range of how well the patients adhered to their drug-taking regimens, ranging from 24 to 100 percent of prescribed levels. If subjects missed more than 10 percent of their drugs, the HIV treatment became ineffective.
The research project, called the REACH study for "Research in Access to Care in the Homeless," was started in response to concerns that the urban poor may develop resistant strains of HIV as a result of not adhering to their therapy. The UCSF team looked at how many of these people who were HIV-infected received therapy, how well they adhered to their regimens, and how the virus responded. David Bangsberg, MD, MPH, assistant professor of medicine at the UCSF AIDS Program at San Francisco General Hospital, was medical director of the study. He presented the research findings here today (July 1) at the 12th World AIDS Conference.
"This is the first study of anti-retroviral use in a population that makes up a growing portion of the HIV epidemic," said Andrew Moss, PhD, professor of epidemiology and medicine at UCSF and principal investigator. "Poor people are increasingly the main high-risk group for HIV."
Bangsberg said, "Most people think studies can't be done with the homeless
because they are hard to keep track of. We found that to be untrue. Of 153
people in the study, we know where 151 of them are now, after more than a year."
The UCSF team identified participants for the research project in free food
lines, homeless shelters and low-income hotels and tested them for HIV
infection. For those HIV-positive people on protease inhibitors, the
researchers looked at three measures of adherence: self-report, random pill
counts, and a digital
Contact: Mitzi Baker
University of California - San Francisco