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Which weight loss surgery works best for teens? study aims to find out

NCT ID NCT02004561

Disease control Sponsor: Yale University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026

Summary

This study follows 26 severely obese teenagers aged 14-19 who chose to have one of three weight loss surgeries: gastric band, sleeve gastrectomy, or gastric bypass. Researchers track weight, body fat, blood sugar, and vitamin levels over time to see which surgery is safest and most effective. Since teens chose their own surgery, results may be biased, but the goal is to guide better treatment decisions for young people struggling with obesity.

What this could mean

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

Active substance
weight loss surgery (gastric band, sleeve gastrectomy, or gastric bypass)
What this could lead to
If successful, this could show which surgery works best for teens, helping doctors and families choose the safest option for lasting weight loss and better health.
What could go wrong
This is a small, non-randomized study with only 26 teens, so results may not apply to everyone. Surgery carries risks like infection, nutritional problems, and the need for lifelong follow-up.

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

26 people

The number who actually took part.

Started

Jan 2012

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.

Who is studied

The research subjects will be recruited from the Yale Pediatric Obesity Clinic and the Endocrine Clinic.

Ages

14 to 19 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: Youth 14-19yrs * 6 months of attempts at weight management by primary care physician or Pediatric Endocrinologist * Approval by the Adolescent Bariatric Surgery clinic to undergo surgery * Physically or nearly physically mature * BMI \>= 35kg/m2 with one obesity related comorbidities or BMI \>= 40 kg/m2 * Commitment to avoid pregnancy for at least 1 year postoperatively * Capability and willingness to adhere to nutritional guidelines postoperatively * Informed consent to surgical treatment * Demonstration of decisional capacity * Supportive family environment Exclusion Criteria: * Inability to be approved by Yale Adolescent Bariatric Surgery clinic to undergo surgery * Uncontrolled psychosis * Uncontrolled depression * Drug or alcohol abuse * History of congenital or acquired anomalies of gastrointestinal tract * Esophageal anatomical abnormality or dysmotility * Inflammatory bowel disease * Severe cardiopulmonary disease * Severe coagulopathy * Hepatic insufficiency or cirrhosis * Presence of localized or systemic infection at time of surgery * Obesity related to central causes: Prader Willi and hypothalamic abnormalities * Non-compliance to nutrition plan, exercise, and behavioral counseling/treatment * Pregnant, breast-feeding or planning of becoming pregnant within 1-2 years of surgery

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Conditions

The condition(s) this trial relates to.

diabetes mellitus obesity disorder Pediatric Obesity

As listed by the trial registrant

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

Obese adolescents

Contacts and locations

Locations

  • Yale Pediatric Endocrinology Clinic

    New Haven, Connecticut, 06520, United States

More trials for these conditions

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