Overview An Extension Study of JR-171-101 Study in Patients With MPS I Status: Recruiting Trial end date: 2025-04-30 Target enrollment: Participant gender: Summary Phase I/II, open label, multicenter, multinational (Japan, Brazil and the US) extension study of JR-171-101 for the treatment of MPS I Phase: Phase 1/Phase 2 Details Lead Sponsor: JCR Pharmaceuticals Co., Ltd.