Umbilical Cord Wharton's Jelly Allograft Intra-articular Knee Injection(R3 Medical)

This is a Pilot Study which is randomized, prospective, open label, dose escalation, non-controlled evaluating safety and feasibility of intra-articular Wharton's Jelly (WJ) allograft will be evaluated in patients suffering with knee osteoarthritis. The participants will be randomized to one of three dosing treatment arms that will consist of one intra-articular knee injection containing either low dose, medium dose or high dose WJ allograft tissue.