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The Effect of an Esketamine-Based Postoperative Analgesia Protocol on Postoperative Nausea and Vomiting in Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy

The Effect of an Esketamine-Based Postoperative Analgesia Protocol on Postoperative Nausea and Vomiting in Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600121203
Enrollment
Unknown
Registered
2026-03-26
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-03-30

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

Conditions

Postoperative Nausea and Vomiting

Interventions

Esketamine Group (E Group):Continuous infusion via PCIA pump of esketamine 1mg/kg (lean body weight) combined with dexmedetomidine 4ug/kg (lean body weight) and palonosetron 0.5mg, diluted to a total
background infusion rate of 2ml/h, bolus dose of 2ml, lockout interval of 15min
Control Group (C Group):Continuous infusion via PCIA pump of sufentanil 2ug/kg (lean body weight) combined with dexmedetomidine 4ug/kg (lean body weight) and palonosetron 0.5mg, diluted to a total vol

Sponsors

Huadong Hospital Hospital Affiliated to Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18 to 65 years; 2. American Society of Anesthesiologists (ASA) grade I–III; 3. Body mass index (BMI) between 30 kg/m^2 and 50 kg/m^2 (30 < BMI < 50); 4. Undergoing elective laparoscopic sleeve gastrectomy; 5. Voluntary participation in the study and provision of written informed consent.

Exclusion criteria

Exclusion criteria: 1. Have a contraindication or allergy to esketamine, including severe cardiovascular or cerebrovascular diseases, uncontrolled hypertension, history of psychiatric disorders, history of substance abuse, hyperthyroidism, severe hepatic or renal insufficiency (Child-Pugh class C or eGFR < 30 mL/min/1.73m^2), etc. 2. Long-term use of antidepressants or other psychiatric medications within the past three months; 3. Hearing, visual, or speech impairments that affect scale assessment and communication; 4. Patients who develop severe postoperative complications such as major bleeding, cerebral infarction, pulmonary infection, or require reoperation; 5. Complicated by severe neurological or psychiatric disorders, or decompensation of other vital organs; 6. Inability or unwillingness to complete the study in accordance with the research protocol; 7. Participation in other drug clinical trials within the past 4 weeks; 8. Pregnancy.

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative nausea and vomiting (PONV) within 48 hours after surgery;

Secondary

MeasureTime frame
Postoperative quality of recovery (QoR-15 scale);Severity of nausea and vomiting and use of rescue antiemetics;Resting and dynamic pain scores at different postoperative time points (days 1–3, before discharge);Opioid consumption;Hospital Anxiety and Depression Scale (HADS);Enrollment rate;Adherence;

Countries

China

Contacts

Public ContactGu Weidong

Huadong Hospital Hospital Affiliated to Fudan University

mcwgwd@163.com+86 189 1816 9021

Outcome results

None listed

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