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The 90% minimum effective concentration of ropicavine for intraperitoneal analgesia in patients undergoing laparoscopic sleeve gastrectomy:A biased-coin design up-and down sequential allocation trial

The 90% minimum effective concentration of ropicavine for intraperitoneal analgesia in patients undergoing laparoscopic sleeve gastrectomy:A biased-coin design up-and down sequential allocation trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300071074
Enrollment
Unknown
Registered
2023-05-04
Start date
2023-05-04
Completion date
Unknown
Last updated
2023-06-04

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

Conditions

Obese patients undergoing laparoscopic sleeve gastrectomy

Interventions

Mild to moderate obesity group (BMI<40kg/m2)
:ropivacaine for intraperitoneal aerosol analgesia
Severe obesity group (BMI = 40 kg / m2):ropivacaine for intraperitoneal aerosol analgesia

Sponsors

Capital Medical University, Beijing Shijitan Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1: Patients undergoing laparoscopic sleeve gastrectomy 2: BMI=27.5kg/m² 3: ASA grade I-III patients

Exclusion criteria

Exclusion criteria: 1: Other types of weight-loss surgery 2: Patients with allergic history of local anesthesia drugs 3: Patients with communication and communication disorders 4: Patients with ASA grade IV or above 5: People who abuse drugs or alcohol or suffer from difficult mental illness 6: Patients with recent fertility needs

Design outcomes

Primary

MeasureTime frame
Postoperative pain score;—

Secondary

MeasureTime frame
Sleep 2 days after surgery;Nausea, vomiting;Drugs and use for rescue analgesia;—

Countries

China

Contacts

Public ContactPengfei Liu

Capital Medical University, Beijing Shijitan Hospital

sfflpf@126.com+86 15210626257

Outcome results

None listed

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