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Can a common numbing drug speed up bariatric surgery recovery?

NCT ID NCT03211455

Symptom relief Sponsor: University Hospital, Caen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether giving lidocaine through a vein during weight-loss surgery helps patients recover faster and need less strong pain medicine. 180 adults scheduled for bariatric surgery received either lidocaine or a placebo (salt water). Researchers measured how much painkiller they used and how quickly they were ready to leave the hospital.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
lidocaine
What this could lead to
If it works, this could offer a way to reduce pain and opioid use after weight-loss surgery, helping patients recover faster.
What could go wrong
The trial is completed but results are not yet widely confirmed. Lidocaine may not work better than placebo, and there are risks like side effects from the drug.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

180 people

The number who actually took part.

Started

Dec 2017

Finished

May 2019

Lead sponsor

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

18 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * scheduled bariatric surgery Exclusion Criteria: * any contra-indication for lidocaine administration * pregnancy * ASA class 4 * psychiatric disorder * chronic opioid consumption

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Conditions

The condition(s) this trial relates to.

morbid obesity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Bariatric surgery candidate Morbid obesity

Contacts and locations

Locations

  • University Hospital of Caen

    Caen, 14033, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.