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Scientists decode Fat's secret messages to the heart
NCT ID NCT06408961
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at tiny particles called extracellular vesicles (EVs) released from fat cells. Researchers want to understand how these particles carry signals that may affect heart and liver health in people with obesity. About 100 adults having weight-loss surgery will provide fat and blood samples. The goal is to learn more about the links between obesity, diabetes, and heart disease, not to test a new treatment.
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.
- 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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Feb 2019
- Expected to finish
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Jul 2028
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.
Who is studied
The study population will consist of 100 eligible subjects with obesity (BMI\>/=30 kg/m2) who are planned to undergo bariatric surgery recruited from the clinic of Dr. Denise Gee in the Weight Center at Massachusetts General Hospital.
- 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: * Age greater than or equal to 18 years of age * Obese (BMI\>/=30 kg/m2; for obesity/bariatric surgery group) * For 20 patients, additional criteria will be presence of pre-diabetes or diabetes (HgbA1c \> 5.7 or Fasting blood glucose \> 100). Exclusion Criteria: * Pregnancy (as adjudicated by patient history) * Prior clinical history of myocardial infarction or valvular heart 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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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114-2696, United States
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