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Transcutaneous Auricular Vagus Nerve Stimulation for Preventing and Treating Postoperative Nausea and Vomiting in Gynecological Laparoscopy Patients: A Randomized Single-Blind Controlled Trial

Effect of Transcutaneous Auribular Vagus Nerve Stimulation on Postoperative Nausea and Vomiting in Patients Undergoing Gynecologic Laparoscopy

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600115965
Enrollment
Unknown
Registered
2026-01-04
Start date
2026-01-05
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

Postoperative Nausea and Vomiting (PONV)

Interventions

Control group: Metoclopramide:Metoclopramide
Experimental group: Metoclopramide + Transcutaneous Auricular Vagus Nerve Stimulation (taVNS): Metoclopramide + Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)

Sponsors

The First Affiliated Hospital of Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years; 2.American Society of Anesthesiologists (ASA) physical status classification I to III; 3.Scheduled for elective gynecological laparoscopic surgery under general anesthesia; 4.Provided informed consent signed by the patient or her legal guardian.

Exclusion criteria

Exclusion criteria: 1.Use of antiemetics, opioids, or corticosteroids within 3 days prior to surgery; 2.Refusal to sign the informed consent form; 3.Pregnancy or lactation; 4.Uncontrolled diabetes mellitus, severe coagulation dysfunction, or cardiac, central nervous system, or psychiatric diseases; 5.Implanted cardiac pacemaker or metal implants in the ear (to avoid interference with electrical stimulation); 6.Known allergy to palonosetron or dexamethasone; 7.Presence of nausea, vomiting, or both within 24 hours before surgery; 8.Presence of rash or local infection in the area of the ear designated for electrical stimulation.

Design outcomes

Primary

MeasureTime frame
Postoperative nausea and vomiting incidence rate;

Secondary

MeasureTime frame
Time of first occurrence of postoperative nausea and vomiting;Number of vomits;Number of retching episodes;Nausea Severity;Use of rescue antiemetics;Postoperative pain score;Opioid consumption;Quality of postoperative recovery;Indicators of gastrointestinal function recovery;

Countries

China

Contacts

Public ContactWang Ru

The First Affiliated Hospital of Zhengzhou University

1793015306@qq.com+86 187 0942 4721

Outcome results

None listed

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