Spicy science: genes may determine Chili's Weight-Loss power
NCT ID NCT07602361
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study explores whether genetic differences explain why some people benefit more from chili pepper compounds (capsaicinoids) for weight control. Researchers will give supplements to 100 adults with overweight or obesity and measure changes in body fat, appetite, and metabolism. The goal is to identify genetic markers that could lead to personalized nutrition strategies for obesity.
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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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Nov 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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25 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.
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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: * Adults diagnosed with overweight or obesity within the age range established for the study * Willingness to participate in the study * Signed informed consent form Exclusion Criteria: * History of thyroid or metabolic disorders requiring pharmacological treatment, such as diabetes mellitus or coronary heart disease * Pregnant or breastfeeding women * Active smokers * High alcohol consumption, defined as \>20 g/day in women and \>40 g/day in men * Use of hypocaloric diets or weight-loss medications within the three months prior to study initiation * Daily chili consumption or high habitual intake of capsaicinoids * Known hypersensitivity to capsaicinoids * Gastrointestinal disorders, such as ulcerative colitis or irritable bowel syndrome
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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.
Contacts and locations
Locations
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Universidad Autónoma de Baja California
Tijuana, Estado de Baja California, Mexico
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