Overview Alprostadil Liposomes for Injection for Lower Extremity Arteriosclerosis Obliteran Status: Recruiting Trial end date: 2021-06-01 Target enrollment: Participant gender: Summary This is a randomized, positive-control, multicenter, multiple-dose, dose-escalation phase II trial Phase: Phase 2 Details Lead Sponsor: CSPC ZhongQi Pharmaceutical Technology Co., Ltd.Treatments: Alprostadil