Flexion's OA Knee Injection On Track For H2 Filing

Burlington, Mass.-based Flexion Therapeutics Inc.'s long-acting steroid injection Zilretta has been associated with statistically significant improvements in pain relief in a pivotal Phase III study in patients with knee osteoarthritis, countering disappointing results from a Phase IIb study reported last year and keeping the product in line for a US NDA submission in the second half on 2016.