Overview Treatment With MK0966 for the Prevention of Prostate Cancer (0966-201) Status: Completed Trial end date: 2004-12-08 Target enrollment: 0 Participant gender: Male Summary To determine the efficacy and safety of an investigational compound (MK0966) for the prevention of prostate cancer. Phase: Phase 3Accepts Healthy Volunteers? No Details Lead Sponsor: Merck Sharp & Dohme Corp.Treatments: Rofecoxib Criteria Regular PSA testing and study biopsies required.