RecruitingPhase 4Clinical trialEvaluating Intact Fish Skin Graft and Standard of Care Versus Standard of Care Alone in Nonhealing Venous Leg UlcersThe purpose of this study is to determine the between-arm difference in the proportion of subjects achieving complete closure of hard-to-heal venous leg ulcers (VLU) between Intact Fish Skin Graft plus standard of care (IFSG/SOC) versus standard of care alone (SOC) over 12 weeks.