RecruitingDevice studyINNOVEN: Efficacy of Porcine Placental Extracellular Matrix Plus Standard of Care (SOC) Versus SOC AloneINNOVEN is a multi-center randomized controlled clinical trial to evaluate the efficacy of porcine placental extracellular matrix (PPECM) and standard of care (SOC) versus SOC alone in the closure of non-healing venous leg ulcers (VLUs).