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ED50 and ED95 of Oxycodone Plus Cyclopropofol in Hysteroscopic Surgery Anesthesia: A Dose-Response Study

ED50 and ED95 of Oxycodone Plus Cyclopropofol in Hysteroscopic Surgery Anesthesia: A Dose-Response Study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118981
Enrollment
Unknown
Registered
2026-02-13
Start date
2026-02-24
Completion date
Unknown
Last updated
2026-02-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hysteroscopic

Interventions

Oxycodone group:The initial dose of oxycodone for the first patient was 0.1 mg/kg. For subsequent patients, the dose was adjusted based on the response of the immediately preceding patient to oxycodo
if no body movement response occurred, the dose for the next patient was decreased by 0.05 mg/kg.

Sponsors

Women’s Hospital, Zhejiang University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients scheduled for hysteroscopic surgery; 2. Aged 18–65 years; 3. With a BMI of 18–25 kg/m^2; 4. ASA physical status class I–II; 5. No severe cardiopulmonary, hepatic or renal diseases; 6. No history of psychiatric disorders; 7. No drug allergies.

Exclusion criteria

Exclusion criteria: 1. Pregnant or lactating women; 2. Patients with severe cardiovascular, pulmonary, hepatic or renal comorbidities; 3. A history of long-term use of psychotropic, sedative or analgesic medications; 4. Hypersensitivity or contraindications to the study drugs; 5. Documented difficult airway; 6. Current participation in another clinical study.

Design outcomes

Primary

MeasureTime frame
Motor response during cervical dilation;

Secondary

MeasureTime frame
Blood pressure;Heart rate;Oxygen saturation;Respiratory rate;End-tidal carbon dioxide;Entropy index;Surgical Pleasure Index;Oxycodone dose;Cisplatin dose;Anesthesia recovery time (time from discontinuation of cisplatin infusion to patient's spontaneous eye opening);

Countries

China

Contacts

Public ContactSun Lihong

Women’s Hospital, Zhejiang University School of Medicine

sunlihong@zju.edu.cn+86 158 6901 2780

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 19, 2026