HIV Research in Houston, TX Gordon E. Crofoot MD, PA is proud to be a leading center for HIV/AIDS research in Houston and South Texas. Our Research Department conducts Phase I-IV studies and is comprised of a Physician, Nurse Practitioner, Vocational Nurse, a dedicated two dedicated Research Assistants and three Certified Clinical Research Professionals. Participation in these clinical research allows us to offer our patients experimental treatment options that are not available elsewhere in the city, the state and sometimes the SE United States. Gordon E. Crofoot MD, PA is among those of the most respected clinical trial sites in Houston, TX and excels at providing our own patients as well as those from referring physicians with state-of-the-art treatment options and a highly patient-focused medical experience that respects privacy and dignity. For information on our current Clinical Trials, including HIV research studies,please contact us.