Overview A Study to Evaluate the Efficacy & Safety of an Intra-Articular Ampion Injection for Pain of Osteoarthritis of the Knee Status: Completed Trial end date: 2016-06-01 Target enrollment: Participant gender: Summary This study will evaluate the efficacy and safety of an intra-articular injection of AMPION™ in adults with pain due to osteoarthritis of the knee Phase: Phase 3 Details Lead Sponsor: Ampio Pharmaceuticals. Inc.