Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Drinkometer reveals secrets of Post-Surgery eating

NCT ID NCT06538948

Knowledge-focused Sponsor: University of Zurich Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tracks 420 people to see how bariatric surgery affects drinking behavior using a special device called a drinkometer. It measures things like sip size and speed, and looks at how gut hormones and sex differences play a role. The goal is to better understand why surgery helps with weight loss, beyond what people report about their eating habits.

What this could mean

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

What this could lead to
If successful, this could reveal how bariatric surgery changes eating behavior, helping improve long-term weight loss outcomes.
What could go wrong
This is an observational study, not a treatment trial. It may not find clear links between drinking patterns and hormones or weight loss.

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.

Participants

About 420 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2024

Expected to finish

Dec 2027

An estimate. End dates often move.

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.

Who is studied

Participants with obesity and scheduled for bariatric surgery are recruited consecutively at the outpatient clinic of bariatric surgery at the University Hospital Zurich. Participants with obesity not scheduled for surgery are recruited at the private clinic "Adimed" in Winterthur. Participants without obesity are recruited from students, employees and faculty of the Faculty of Medicine of the University of Zurich.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Age ≥ 18 year * BMI ≥ 35 kg/m2 for patients with planned RYGB or SG operation * BMI ≥ 30 kg/m2 for external controls affected by obesity but no planned RYGB or SG within the next 12 months, and * BMI ≥ 18.5 kg/m2 and ≤ 24.9 kg/m2 for controls without obesity. Exclusion Criteria: * history of previous bariatric operations and/ or revisional surgery (e.g., alteration of limb lengths after primary RYGB), * smoking, * established diagnosis of type 1 or 2 diabetes mellitus, and * polycystic ovary syndrome (PCOS).

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Obesity are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Hospital Männedorf

    RECRUITING

    Männedorf, Canton of Zurich, 8708, Switzerland

  • University Hospital Zurich, Department of Surgery and Transplantation

    RECRUITING

    Zurich, Canton of Zurich, 8091, Switzerland

More trials for these conditions

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