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Gut bacteria supplement shows promise for weight loss

NCT ID NCT06964919

Disease control Sponsor: Wecare Probiotics Co., Ltd. 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed trial tested whether a heat-killed probiotic called Akkermansia muciniphila Akk11 could help overweight or obese adults lose weight and improve their metabolism. 61 participants took either the probiotic or a placebo capsule daily for 12 weeks, while following a low-carb diet. Researchers measured changes in body weight, BMI, waist size, and blood fats like cholesterol.

What this could mean

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

Active substance
Heat-killed Akkermansia muciniphila Akk11 probiotic capsules
What this could lead to
If it works, this could offer a natural probiotic supplement to help with weight loss and improve cholesterol levels in overweight people.
What could go wrong
This is a small, early-stage trial with only 61 participants. The effects may be modest, and results might not apply to everyone. As a dietary supplement, it is not a substitute for lifestyle changes.

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

61 people

The number who actually took part.

Started

Mar 2025

Finished

Jan 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 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: 1. A body mass index (BMI) of ≥24 kg/m²; 2. Willingness to provide written informed consent to participate in the study; 3. Agreement to adhere to the study protocol and restrictions, including a low-carbohydrate, energy-restricted diet; 4. No plans for conception from 14 days before screening until 6 months after the trial, with a commitment to using effective contraception. Exclusion Criteria: 1. Use of products similar to the test product in the near term that may affect the results; 2. Presence of mental or neurological disorders, celiac disease, lactose intolerance, or allergies; 3. Pregnant, breastfeeding, or planning pregnancy; 4. Irritable Bowel Syndrome (IBS), Ulcerative Colitis, Hepatic Cirrhosis, or Diabetes Mellitus; 5. Antibiotic use within the past three months; 6. Failure to consume the test product as required or attend follow-ups on time, making efficacy assessment impossible; 7. Smoking more than 10 cigarettes a day; 8. Allergy to probiotic products; 9. Other participants deemed unsuitable for the study by the investigator.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

Obesity

Contacts and locations

Locations

  • The School of Food and Bioengineering, Henan University of Science and Technolog

    Luoyang, Henan, 471000, China

More trials for these conditions

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