Dietary intervention aims to tame weight regain in Graves' patients
NCT ID NCT06921304
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a personalized low-calorie Mediterranean-style diet, combined with lifestyle coaching, can prevent people newly diagnosed with Graves' disease from regaining too much weight after their thyroid levels normalize. Fifty-four adults will be randomly assigned to either the diet program or standard care, and followed for a year. The goal is to see if the diet helps maintain a healthy weight and improves body composition.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Intensive Lifestyle Intervention (personalized low-energy Mediterranean-style diet and lifestyle counseling)
- What this could lead to
- If it works, this could show that structured dietary support helps people with Graves' disease avoid unhealthy weight gain while on standard medication.
- What could go wrong
- This is a small early-stage trial (54 people) testing a behavioral change, not a drug. Results may not apply to everyone, and sticking to the diet long-term can be challenging.
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 54 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2024
- Expected to finish
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Dec 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 years and older
- 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 * Diagnosis of Graves' disease in an endocrinology setting based on the presence of thyrotoxicosis and positive TRAb antibodies. * Diagnosis of Graves' disease within 1 month prior to randomization. * BMI \> 16 kg/m² and \< 35 kg/m² at the time of the first visit for Graves' disease. * Age \> 18 years. * Ability to commit to the duration of the study. * Ability to provide informed consent and willingness to participate in the study. Exclusion Criteria * Relapse of Graves' disease or thyrotoxicosis not related to Graves' disease. * Any serious cardiovascular or renal event in the last 6 months. * Current pregnancy, breastfeeding, or planning pregnancy during the study period. * Any condition potentially leading to fluid overload such as heart failure (NYHA class \> I) or liver cirrhosis. * Previously diagnosed significant psychiatric disorder (e.g., schizophrenia, post-traumatic stress disorder, obsessive-compulsive disorder). * Active eating disorder. * Uncontrolled depression. * Uncontrolled epilepsy. * Known cause of malabsorption (including uncontrolled celiac disease, lactose intolerance, or inflammatory bowel disease). * Ongoing therapy with weight-modifying medications (e.g., GLP-1 analogs, metformin). * Estimated BMI before disease onset \< 18 kg/m². This parameter will be calculated based on the "estimated pre-disease body weight" as reported by the patient.
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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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Istituti Clinici Maugeri IRCCS
Pavia, PV, 27100, Italy
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