Could a clay supplement help fight obesity?
NCT ID NCT07103382
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study is testing whether a dietary supplement called attapulgite can help people with obesity or overweight with type 2 diabetes lose weight safely. Forty participants will take either attapulgite or a placebo daily for 12 weeks. Researchers will measure changes in BMI, weight, and body fat.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- attapulgite (a dietary supplement)
- What this could lead to
- If it works, this could point toward a new, simple supplement to help with weight loss in people with obesity or type 2 diabetes.
- What could go wrong
- This is a very early, small exploratory trial with only 40 people. It may not show significant weight loss, and results may not apply to everyone.
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
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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
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- Expected to finish
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Dec 2025
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: Obese individuals: * Aged 18-60 years, regardless of sex/gender * BMI≥28.0kg/m2 Overweight or obese individuals with type 2 diabetes: * Aged 18-60 years, regardless of sex/gender * BMI≥24.0kg/m2 * HbA1c ≥7.0% and ≤10.0% or the fasting blood glucose ≥7.0 mmol/l and ≤ 13.3 mmol/l at screening * Stable diabetes treatment for at least 6 months or more Exclusion Criteria: * Type 1 diabetes, monogenic diabetes, or diabetes due to pancreatic injury or other secondary diabetes * Severe diabetic complications within three months before the study initiation, including severe hypoglycemia, diabetic ketoacidosis, or infections * Use of weight-affecting products within the past three months or planned use during the study * Weight fluctuation \>5 kg or \>10% within the past three months * Obesity or overweight due to endocrine disorders (such as thyroid dysfunction or Cushing's syndrome) * Uncontrolled hypertension, severe cardiac/hepatic/renal dysfunction * History of gastrointestinal surgery (such as cholecystectomy) within the past year or non-gastrointestinal surgery within six months, or prior bariatric surgery * Chronic gastrointestinal disorders (such as recurrent constipation, celiac disease, or food intolerances) or any condition impairing digestion/absorption function * History of malignant tumors within five years, regardless of whether there is recurrence or metastasis and severe immune dysfunction (such as malignant tumors, HIV/AIDS, immunodeficiency diseases) * Use of probiotics, prebiotics, or antibiotics within three months prior to enrollment, or alcohol abuse; Consumption of yogurt within two weeks before the study or during the trial period; History of psychiatric or infectious diseases * Pregnancy, lactation, or plans for pregnancy during the study * Participation in other clinical trials within the past three months * Any condition that in the judgement of the investigator precludes participation
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University
RECRUITINGChangsha, Hunan, 410011, China
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