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Smart scale could transform post-surgery weight monitoring

NCT ID NCT04639778

Disease control Sponsor: University Hospital, Lille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new way to follow patients after weight-loss surgery. Instead of yearly check-ups, patients use a connected scale at home, and doctor visits are scheduled based on weight changes. The goal is to see if this personalized approach helps patients maintain weight loss and avoid malnutrition. About 390 adults who had surgery two years ago will take part.

What this could mean

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

Active substance
connected scale for weight monitoring
What this could lead to
If successful, this could offer a more efficient and personalized way to monitor weight after bariatric surgery, potentially improving long-term weight loss and reducing complications.
What could go wrong
This is a relatively small, single-center trial testing a monitoring strategy, not a new treatment. The approach may not improve outcomes over standard care, and results may not apply to all patients.

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

About 390 people

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

Started

Mar 2021

Expected to finish

Dec 2026

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.

Ages

18 years and older

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: Patients aged\> = at 18 years old Patients who have benefited from a Roux-en-Y Gastric By-Pass or Sleeve Gastrectomy bariatric surgery 2 years ago Preoperative Body Mass Index between 35 kg/m2 and 59 kg/m2 Access to the wired network at home. Social insured patient Patient who signed the informed consent Exclusion Criteria: Lack of autonomy for the use of remote monitoring equipment or psychological or psychiatric disorders making it difficult to optimally use the remote monitoring equipment Administrative reasons: inability to receive informed consent information, inability to participate in the entire study, lack of social security coverage, refusal to sign consent, patient under guardianship or justice system.

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As listed by the trial registrant

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

Bariatric surgery Long term follow-up Weight regain

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

  • Ch Boulogne-Sur-Mer - Boulogne Sur Mer

    RECRUITING

    Boulogne-sur-Mer, 62321, France

  • Hop Claude Huriez Chu Lille

    RECRUITING

    Lille, 59037, France

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