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Scientists probe Fat's secret role in diabetes risk

NCT ID NCT04708535

Knowledge-focused Sponsor: Stanford University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how immune cells in different types of body fat (belly fat vs. fat under the skin) are linked to insulin resistance, a condition where the body doesn't use insulin well. Researchers will analyze fat samples from 50 people having weight-loss surgery to see if certain immune cell patterns affect weight loss success. The goal is to better understand why obesity leads to health problems, not to test a treatment.

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 50 people

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

Started

Aug 2017

Expected to finish

Aug 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

There are no restrictions in regards to gender, race, or socioeconomic status. The racial/ ethnic composition of the study population will be reflective of the communities surrounding the Stanford University Medical Center.

Ages

30 to 65 years

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: * Current patients of Stanford Healthcare, Bariatric Surgery Clinic, scheduled to undergo bariatric surgery (sleeve or RYGB) * BMI 30-55kg/m2 * 30-65 years of age * good general health, no major organ disease * non-diabetic by current American Diabetes Association (ADA) criteria (fasting glucose \<126mg/dl) Exclusion Criteria: * Subjects with any clinical or biochemical evidence of significant anemia, gastrointestinal, cardiac, hepatic or renal disease will be excluded. * Subjects with other medical problems may participate as long as the problems are stable. * Subjects with active psychiatric disorders or past history of bariatric surgery * Pregnant or lactating women will also be excluded from the study, due to possible risk to the fetus or infant.

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Conditions

The condition(s) this trial relates to.

Inflammation inflammatory disease Insulin Resistance Obesity obesity disorder

As listed by the trial registrant

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

Inflammation Insulin resistance Insulin sensitivity Obesity

How to take part

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

  1. The places running it

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

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Stanford University

    Stanford, California, 94305, United States

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