The Phoenix VA Health Care System Research Program supports the mission of the Veterans Health Administration in its efforts to lead in the provision of unequaled health care value to veterans. VA Investigators participate in programs in all four-service areas of the VA research program. This includes Cooperative Studies Program (CSP); Health Services Research and Development Service (HSR&D); Medical Research Service (MRS); and Rehabilitation Research and Development (RR&D). Additionally, investigators participate in studies funded through the National Institutes of Health, American Heart Association, American Podiatry Medical Association and other various funding agencies. There are a number of ongoing pharmaceutically sponsored clinical trials.