Peanut power: study tests if daily snack boosts bone health during weight loss
NCT ID NCT06949280
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether eating peanuts every day can improve bone health, metabolism, and physical function in overweight or obese adults aged 50-75 during a 6-month weight loss program. Participants will be randomly assigned to eat either a daily peanut snack or a nut-free snack. The goal is to learn if peanuts, as a source of healthy fats, can help prevent disease and promote health in older adults.
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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 44 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Dec 2027
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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50 to 75 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: * Men and postmenopausal women (\>2 years since last menses), ages 50-75 years * Body mass index (25-42 kg/m2) or evidence of pre-clinical obesity. * Agree to be randomly assigned to consume a daily peanut snack or nut-free snack for 24 weeks * Must attend on-site visits (about 10) in New Brunswick, NJ, USA (transportation/reimbursement for travel not included) Exclusion Criteria: * Peanut allergies or intolerances * Participants with \>5% weight loss in the past 6 months or extreme dietary/physical activity habits * An inability to follow the experimental intervention or to perform the required specimen collections. * Individuals with significant psychiatric or food disorders. * Current diagnosis, or history of cancer in past 3 years. * Current diagnosis or history of bone diseases, type I or II diabetes, gastrointestinal disease, hyperparathyroidism, untreated thyroid disease, significant immune, hepatic, cardiac, or renal disease. * Uncontrolled hypertension or hyperlipidemia in abnormal ranges. * History of surgery in the past 6 months or surgical procedure for weight loss in the past 3 years. * Regular use of medications that affect bone metabolism, including bisphosphonates or hormone replacement. * Regular use of medications for that affect the gastrointestinal tract including incretin mimetics, cholecystitis, urinary tract infection, severe organic diseases including coronary heart disease, myocardial infarction, infectious diseases including pulmonary tuberculosis and AIDS. * Antibiotic use in the past month * Alcohol or illicit drug abuse * Any other condition deemed by the Research Physician that would prevent participation in the study, e.g. participation in another clinical research project that may interfere with the results of this study. * Participation in another clinical interventional research trial
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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
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Contacts and locations
Locations
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Rutgers University - NJ Inst Food Nutrition & Health
RECRUITINGNew Brunswick, New Jersey, 08901, United States
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