Clinical Study of Equivalent Doses of Oxycodone or Tegileridine on Patients Undergoing Gynecological Laparoscopic Hysterectomy — 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
Department of Anesthesiology,the Second Affiliated Hospital of Hainan Medical University, Haikou Age range
18 Years – 65 Years
Last updated January 2026