The President's Emergency Plan for AIDS Relief, the ambitious U.S. government program begun in 2003, has cut the death toll from HIV/AIDS through 2007 by more than 10 percent in targeted countries in Africa, though it has had no appreciable effect on prevalence of the disease in those nations, according to a study from the Stanford University School of Medicine that is the first to evaluate these outcomes.
PEPFAR, which the Bush administration initially established as a five-year, $15 billion plan, has kept people alive by effectively providing funds for AIDS treatment and care, said Eran Bendavid, MD, first author of the study. Its role in preventing new infections is more difficult to measure, he added. PEPFAR is the largest U.S. foreign aid program devoted to a single disease.
"It has averted deaths - a lot of deaths - with about a 10 percent reduction compared with neighboring African countries," said Bendavid, a fellow in infectious disease and in health policy and research at Stanford. "However, we could not see a change in prevalence rates that was associated with PEPFAR."
The study will be published in the April 7 online issue of the Annals of Internal Medicine . It will also be published in the May 19 print version of the journal.
Peter Piot, MD, PhD, former executive director of the Joint United Nations Programme on HIV/AIDS (UNAIDS), called the research an important step in assessing the response to AIDS. "Studies such as this one are critical as they demonstrate what can be achieved with development aid," he said. "PEPFAR is changing the course of the AIDS epidemic."
While PEPFAR has been widely praised as one of the major accomplishments of the Bush administration, it has not been without controversy. Some critics questioned its emphasis on treatment: Roughly 50 to 60 percent of the funding was devoted to providing patients with life-prolonging antiretroviral drugs. Only about one-fifth of the funds were dedicated to prevention and, of that figure, one-third was required to be used for abstinence-only programs, a widely criticized aspect of the program. This abstinence-only stipulation was removed when Congress reauthorized the program last year, increasing funding to $48 billion.
Bendavid said he decided to take a close look at PEPFAR to see whether a foreign-aid health program of this magnitude could truly work. As PEPFAR was completing the first five years of operation without an outcomes evaluation, he said it was important to ensure that the funds were being effectively used.
"This is a lot of money, with a lot of people's lives at stake," he said, "so this type of evaluation is crucial."
He and his Stanford colleague, Jay Bhattacharya, MD, PhD, associate professor of medicine, gathered data on HIV mortality and prevalence as well as figures on the number of adults living with HIV in PEPFAR's 12 African "focus" countries. They compared these with similar statistics for all 29 other African nations with a widespread HIV epidemic and without PEPFAR "focus" funding. They looked at data for the five years (1997 to 2002) leading up to the start of the program as well as the three years (2004 to 2007) following its launch. The primary source of data for the HIV prevalence, HIV mortality and people alive with the disease was UNAIDS.