An Open Label Extension (OLE) study will assess the safety of long-term treatment with a 4 mL intra-articular injection of Ampion™ in adults with pain due to severe osteoarthritis of the knee.~The primary trial objective was to evaluate the safety of a 4-mL intra-articular (IA) injection of Ampion with repeat dosing every 12 weeks for 52 weeks with five total injections of Ampion.
This Open Label Extension (OLE) study will assess the safety of long-term treatment with a 4 mL intra-articular injection of Ampion™ in adults with pain due to severe osteoarthritis of the knee