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The 50% and 95% effective dose of ciprofol for anaesthesia induction in morbidly obese patients undergoing elective surgery: an up-and-down sequential allocation trial

The dose-response relationship of ciprofol induced loss of consciousness in patients with pathological obesity under general anesthesia

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400094305
Enrollment
Unknown
Registered
2024-12-19
Start date
2025-06-07
Completion date
Unknown
Last updated
2025-09-01

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

Conditions

morbidly obese

Interventions

Experimental group:Induction of general anesthesia with ciprofol

Sponsors

Lishui People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged 18 to 65 (both male and female); 2. The American Society of Anesthesiologists (ASA) grade II-III; 3. BMI >= 35 kg/m^2; 4. Can understand the procedures and methods of this study, willing to sign an informed consent form and strictly follow the clinical research protocol to complete this study.

Exclusion criteria

Exclusion criteria: 1. Patients with preoperative neurological or psychiatric disorders or communication disorders; 2. Allergic to the drugs used in this study; 3. Long term preoperative use of benzodiazepines and opioids; 4. Patients with severe arrhythmia, such as second or third degree atrioventricular block or significant bradycardia (HR<50 beats/minute); 5. New York Heart Association (NYHA) cardiac function class III or IV; 6. Participants who have participated in any clinical trials as subjects within the first month of enrollment.

Design outcomes

Primary

MeasureTime frame
50% and 95% effective dose;

Secondary

MeasureTime frame
adverse event;

Countries

China

Contacts

Public ContactDuan gongchen

Lishui People's Hospital

981225178@qq.com+86 189 5709 3030

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026