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Effect of Dexmedetomidine on Postoperative Nausea and Vomiting After Laparoscopic Sleeve Gastrectomy: A Randomized Controlled Trial

Effect of Dexmedetomidine on Postoperative Nausea and Vomiting After Laparoscopic Sleeve Gastrectomy: A Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120677
Enrollment
Unknown
Registered
2026-03-18
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-03-23

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

Conditions

Nausea and vomiting after laparoscopic sleeve gastrectomy

Interventions

Group A:After induction of anesthesia, dexmedetomidine 0.4 µg/kg was injected intravenously for 15 minutes.
Group B:After induction of anesthesia, dexmedetomidine 0.6 µg/kg was injected intravenously for 15 minutes.
Group C:After anesthesia induction, an equal volume of 0.9% normal saline was intravenously pumped at the same rate and for the same duration.

Sponsors

Zhengzhou Central Hospital Affiliated to Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Age 18-65 years old; 2.ASA classification I-III; 3.Planned elective laparoscopic sleeve gastrectomy; 4.Sign the informed consent form to participate in the trial.

Exclusion criteria

Exclusion criteria: 1.Allergic to dexmedetomidine; 2.Presence of bradycardia (heart rate <50 beats/min), sick sinus syndrome, II degree or above atrioventricular block without a pacemaker installed; 3.Severe hepatic insufficiency (Child-Pugh class C); 4.Severe renal insufficiency(eGFR<30 ml/min/1.73m^2); 5.Long-term use of opioids or antiemetics; 6.Unable to cooperate with assessment due to mental illness or cognitive impairment; 7.Have used drugs with antiemetic effect within 24 hours before surgery; 8.Combined with other surgeries.

Design outcomes

Primary

MeasureTime frame
Overall incidence of PONV 24 hours after surgery;

Secondary

MeasureTime frame
sedation index;Rest pain and activity pain scores;

Countries

China

Contacts

Public ContactQinjun Chu

Zhengzhou Central Hospital Affiliated to Zhengzhou University

jimmynetchu@163.com+86 138 3810 0696

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 3, 2026