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Can a smartphone and pedometer help people get fitter before bariatric surgery?

NCT ID NCT03963986

Disease control Sponsor: Centre Hospitalier Intercommunal Creteil 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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 trial investigates whether a remote digital support program, including a connected pedometer and online coaching, can help people aged 30–50 who are scheduled for bariatric surgery become more physically active in the months before their operation. Participants use a digital platform and receive motivational interviews by phone or video. The study compares their activity levels to those who do not use the digital tool, measuring changes at 4, 10, and 16 months.

What this could mean

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

Active substance
digital platform with connected pedometer and remote coaching
What this could lead to
If effective, this approach could help people awaiting bariatric surgery safely increase physical activity, potentially improving surgical outcomes and long-term health.
What could go wrong
This is a small, early-stage trial (73 participants) focused on short-term activity levels, not on weight loss or surgical complications. The digital tool may not work for everyone, and results may not apply to broader populations.

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

73 people

The number who actually took part.

Started

Nov 2018

Finished

Dec 2024

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

30 to 50 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: * Patient aged 30 to 50 years. * Candidate for bariatric surgery within 4 to 6 months of inclusion: BMI \>40 kg/m² or BMI 35-40 kg/m² with obesity-related comorbidity * Ability to follow the STIMUL education program focused on adapted physical activity * Has and knows how to use a computer connected to the Internet or mobile phone * Ability to understand, read and write French Exclusion Criteria: * • Contra-indication to the practice of sport * refusal to participate in the study * refusal to participate in the study

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Conditions

The condition(s) this trial relates to.

obesity disorder

As listed by the trial registrant

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

Bariatric surgery

Contacts and locations

Locations

  • Centre Hospitalier Intercommunal Créteil

    Créteil, 94000, France

More trials for these conditions

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