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Combining GLP-1 drugs with Weight-Loss surgery: better results or just more pills?

NCT ID NCT06132477

Disease control Sponsor: University of Missouri-Columbia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Updated 3 times

Summary

This study looks at whether people who take GLP-1 receptor agonists (like Ozempic or Wegovy) should continue them after having bariatric surgery. Researchers will compare weight loss, blood sugar control, gut health, and hunger in 150 adults who either keep taking the drug or stop before surgery. The goal is to see if combining both treatments leads to better outcomes than surgery alone.

What this could mean

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

Active substance
GLP-1 receptor agonists (drugs like semaglutide or liraglutide)
What this could lead to
If it works, this could show that staying on GLP-1 drugs after bariatric surgery leads to greater weight loss and better blood sugar control, helping patients and doctors make informed treatment decisions.
What could go wrong
This is a single-center Phase 4 trial with 150 participants, so results may not apply to everyone. The study is still recruiting, and it's possible that continuing the drugs offers no extra benefit or causes more side effects.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 150 people

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

Started

Feb 2024

Expected to finish

Jul 2030

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: 1. Greater than 18 years of age 2. Participation in care by one of the surgeons at MU Health Care 3. Undergoing surgical weight loss through the Weight Management and Metabolic Center 4. Body mass index of 30-80 kg/m2 5. Meet insurance criteria, as set forth by the patient's insurance policy, to qualify for coverage for weight loss surgery or as a self-pay patient for the weight loss procedure 6. Planned laparoscopic Roux-en-Y gastric bypass, sleeve gastrectomy, revisional weight loss surgery, or duodenal switch or modification of. If patients are not willing to be randomized they will not be enrolled as randomized but can still participate having samples collected. 7. Willingness to have blood collected before and after surgical procedure at defined points or at minimum have clinical data collected. 8. Willingness to have clinical data entered into a prospective database 9. Additional specimens collected as stated in the protocol will be offered but collection not mandated. 5\. Taking a GLP-1 agonist as part of their routine medical care apart from any planned surgical procedure. The current standard of care regarding continuation or discontinuation of GLP-1 agonists has not been established and is at the discretion of members of the patient's medical team but to be included the patient and medical care team must be willing to continue or discontinue the GLP-1 agonist after surgery depending on the randomized group. Exclusion Criteria: 1. Pregnant patient 2. Desire to not participate 3. Age less than 18 4. Patient fails to fulfill insurance mandated criteria and is not interested in paying cash for their procedure 5. Not taking a GLP-1 agonist as part of standard medical care 6. Unwilling to follow-up at required postoperative visits 7. Unwilling to stop GLP-1 agonist if randomized into group to stop GLP-1 agonist or unwilling to continue the GLP-1 agonist if randomized into that respective group. If chooses to continue or discontinue the medication apart from randomization the patient can still participate as a non-randomized participant

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Conditions

The condition(s) this trial relates to.

abdominal obesity-metabolic syndrome diabetes mellitus hypertensive disorder metabolic syndrome X morbid obesity obesity disorder obstructive sleep apnea syndrome type 2 diabetes mellitus

As listed by the trial registrant

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

Diabetes mellitus Hypertension Metabolic syndrome Morbid obesity Obstructive sleep apnea of adult

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • University of Missouri Hospital

    RECRUITING

    Columbia, Missouri, 65201, United States

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