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Weight loss surgery may rewire your taste buds

NCT ID NCT02497274

Knowledge-focused Sponsor: Institut National de la Santé Et de la Recherche Médicale, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how bariatric surgery affects taste receptors and taste perception in 20 obese patients. Researchers measured changes in taste before and 6 months after surgery. The goal was to understand why taste changes happen after weight loss surgery.

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

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

20 people

The number who actually took part.

Started

Jan 2016

Finished

Jan 2019

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 55 years

Sex

Female participants only

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: * Affiliation to a health insurance * Patients candidates for bariatric surgery based on criteria established by international experts (BMI\> 40 or\> 35 kg / m² with severe comorbidities, after failure of multidisciplinary care for a period of at least 1 year) * Written consent after oral and written informations Exclusion Criteria: * Topic guardianship, curatorship or safeguard justice. * Taking a treatment known to alter the perception of taste * Oral Decay can affect the perception of taste * Treatment that may interfere with intestinal peptides or lipids receptors (especially DDP4 inhibitors, anti-inflammatory medications, intestinal lipase inhibitors: Xenical) * Tobacco use, alcohol or drugs abuse * Known coagulopathy, abnormal hemostasis tests or abnormal platelets count, treatment interfering with coagulation or platelet aggregation * Contraindication to bariatric surgery * Malignant pathology, severe liver disease or severe inflammatory disease, malabsorption. * Pregnancy * Positive serology for VIH, VBH and CVH

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

Obesity

Contacts and locations

Locations

  • Hôpital Louis Mourier

    Colombes, 92700, France

More trials for these conditions

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