Overview Assessment of GRT6005 in Painful Osteoarthritis of the Knee Status: Completed Trial end date: 2011-12-01 Target enrollment: Participant gender: Summary The purpose of the trial is to determine whether GRT6005 is effective in patients with pain due to osteoarthritis of the knee. Phase: Phase 2 Details Lead Sponsor: GrĂ¼nenthal GmbHTris Pharma, Inc.Collaborator: Forest Laboratories