Effect of Ciprofol on Intraoperative Hypotension in Elderly Patients Receiving Renin-angiotensin System Inhibitors — StellaPhase 4 — Post-approval study. The treatment has been approved, but researchers continue monitoring it in a large population over time.
Trial locations(1 site)
China
The Second Affiliated Hospital of Zhejiang University anesthesiology department, Hangzhou, Zhejiang Last updated December 2025