Cassava starch trial aims to tame blood sugar and boost gut health
NCT ID NCT07282496
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will test whether a type of cassava starch (RT-90) can help control blood sugar and act as a prebiotic fiber in 115 healthy adults. Participants will consume the starch and have their blood sugar, body composition, and gut bacteria measured over 12 weeks. The goal is to see if this starch can be a useful dietary supplement for metabolic health.
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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 115 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Oct 2026
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 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Subjects aged 18-65 years. * Healthy subjects (BMI between 18.5-24.9 kg/m² for women and men). * Subjects must be able to maintain a stable diet (based on the Ministry of Health and Welfare's daily dietary guidelines, with a tolerance of ± 10-15%) and physical activity (based on the World Health Organization's recommendations of 150-300 minutes of moderate-intensity exercise per week, or equivalent physical activity, with a tolerance of ± 20%) during the trial period. * Subjects must understand the trial procedures and potential risks and benefits described in the consent form and be able to sign the consent form. Exclusion Criteria: * Pregnant or breastfeeding women. * Subjects with endocrine abnormalities, major organ disease, or mental illness (as determined by a physician). * Subjects found to be intolerant to the test sample during the trial. * Subjects who develop a disease or take medications or health supplements that could affect the results of the trial during the trial period. (e.g., hypoglycemic (lipid)-lowering medications, probiotics, high-dose dietary fiber supplements, fish oil, or supplements high in polyunsaturated fatty acids). * Chronic gastrointestinal diseases (e.g., diverticular disease, irritable bowel syndrome, or other intestinal diseases that may cause constipation). * Use of antibiotics within the past three months.
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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
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Contacts and locations
Locations
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Chung Shan Medical University
Taichung, South, 402 Recruiting, Taiwan
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