Overview Progesterone Treatment of Blunt Traumatic Brain Injury Status: Completed Trial end date: 2005-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine if progesterone treatment safely reduces brain swelling and damage after injury. Phase: Phase 1/Phase 2 Details Lead Sponsor: David WrightCollaborator: National Institute of Neurological Disorders and Stroke (NINDS)Treatments: Progesterone