Twelve million patients see a doctor for osteoarthritis related knee pain. The current standard of care is to first try corticosteroid injections before moving on to opioid treatments which can be addictive. Todd Hagopian has been adding to his position in Flexion, because of their progress developing Zilretta, a non-opioid, sustained-release treatment that has the potential to be as safe as corticosteroids, while delivering longer-lasting relief.