Overview PET Evaluation of Brain Peripheral Benzodiazepine Receptors Using [11C]PBR28 in HIV-Seropositive Patients With (MCMD) Status: Terminated Trial end date: 2014-04-06 Target enrollment: Participant gender: Summary The purpose of this protocol is to measure a receptor in the brain using positron emission tomography (PET) that is involved in inflammation. Phase: N/A Details Lead Sponsor: National Institute of Mental Health (NIMH)