FX201 preclinical in vivo data in a rodent model of OA showed slowing of disease progression 12 weeks post-surgery, persistence of the vector genome in the joint for at least 92 days with absence of systemic distribution, and a favorable safety profile Productivity, purification yields, and product quality from FX201 manufacturing studies demonstrate capable manufacturing process to support FX201 clinical trials BURLINGTON, Mass., May 05, 2020 (GLOBE NEWSWIRE) -- Flexion Therapeutics, I