Simple lidocaine trick may stop Post-Surgery sickness in obese patients
NCT ID NCT07643298
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving lidocaine through a stomach tube can reduce nausea and vomiting after weight-loss surgery. About 100 obese adults having laparoscopic sleeve gastrectomy will receive either lidocaine or a saltwater placebo right after surgery. Researchers will track how many patients feel sick in the recovery room and over the next 24 hours.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged between 18 and 65 years old; * American Society of Anesthesiologists (ASA) physical status classification II - III; * Planned to undergo primary elective laparoscopic sleeve gastrectomy with general anesthesia; * Capable of giving informed consent. Exclusion Criteria: * Known allergy, hypersensitivity or contraindication to lidocaine or amide - type local anesthetics; * Previous significant liver or kidney dysfunction (e.g., ALT/AST \> 3 times the upper limit of normal, GFR \< 30 mL/min); * History of epilepsy, cardiac conduction abnormalities or previous diagnosis of malignant hyperthermia; * Pregnancy or lactation; * Patients who received systemic lidocaine treatment during the operation; * History of severe postoperative nausea and vomiting (PONV) or motion sickness, requiring multiple prophylactic medications; * Emergency or revision bariatric surgery.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
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Contacts and locations
Locations
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General Hospital of Ningxia Medical University
RECRUITINGYinchuan, Ningxia, 750000, China
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