Can a seaweed extract help shed pounds? new trial investigates
NCT ID NCT07519980
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a supplement called Xanthigen helps overweight adults lose weight. About 180 people with a BMI between 27 and 30 will take either a low dose, high dose, or placebo for 16 weeks. Researchers will measure weight, BMI, and waist size to see if the supplement works.
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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 180 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Sep 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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20 to 50 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.
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: * The subject is able and willing to follow the study protocol procedures to sign the informed consent form prior to the evaluations. * Participants must be between 20 and 50 years of age at the time of consent. * The subject is in good physical and mental health as determined by medical history, physical examination, electrocardiogram, vital signs, biochemistry, and hematology results. * Participants must have a BMI between 27 and 29.9 kg/cm2. * Desire to lose weight. Exclusion Criteria: * Relevant medical history or presence of any medical condition that could interfere with this study, such as a previous diagnosis of diabetes, hypertension, hyperlipidemia, cardiovascular disease, thyroid disease, asthma, arthritis, or inflammatory conditions. * Fasting blood sugar levels greater than 125 mg/dL and/or total cholesterol levels greater than or equal to 240 mg/dL. * Blood pressure levels below 90/140 mm Hg (diastolic/systolic). * Chronic intake of medications/dietary supplements with an impact on body weight or body composition or lipid-modifying products (e.g., protein shakes, statins, omega-3 fatty acids, etc.) 2 months prior to selection or during the study. * Known allergy/sensitivity to any of the components of the investigational product. * Change in hormonal contraception or any use of hormone replacement therapy (HRT) during or at least 3 months prior to the study (if female). * Women of childbearing age who are pregnant or intend to become pregnant during the study period. * Use of any dietary supplements (except mineral supplements, e.g., Ca, Mg). * Participation in any weight loss intervention or recent change in body weight \> 4.5 kg during the last 9 months. * History and/or presence of eating disorders such as bulimia, anorexia nervosa, or binge eating, as determined by the investigator. * Consumption of any dietary supplements (except mineral supplements, e.g., Ca, Mg). * Participation in any weight loss program or recent change in body weight \> 4.5 kg during the last 9 months. * History and/or presence of eating disorders such as bulimia, anorexia nervosa, binge eating, as determined by the investigator. * Individuals who currently participate in aerobic exercise more than 4 times per week, or more than 2.5 hours per week. * Vegan lifestyle. * Current smoker or user of nicotine products or cessation of smoking within 1 year of the screening date. * Gastrointestinal diseases/conditions (colitis ulcers, Crohn's disease, peptic ulcers, celiac disease).
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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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UCAM HiTech, Sport & Health Innovation Hub
RECRUITINGMurcia, Murcia, 30150, Spain
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