Investigational Medicine for osteoarthritis (OA) of the knee

This is a one time injection into the knee with a one year follow up to determine the safety, tolerability, and effectiveness of an investigational medicine in patients with osteoarthritis (OA) of the knee.
Patients who are eligible:
– Are between 18-80 years old
– Have had knee replacement surgery on either knee

Participants will be compensated for time and travel.