Chia seeds may improve breast milk for moms with obesity
NCT ID NCT07343908
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether eating chia seeds while breastfeeding can change the makeup of breast milk and reduce inflammation in mothers who are overweight. About 80 mothers will take chia seeds for 6 weeks, and researchers will measure nutrients and health markers in their milk and blood. The goal is to see if this simple addition can improve health for both mom and baby.
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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 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- 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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18 to 45 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: * pre-pregnancy BMI \>25 kg/m² * Maternal age 18 - 45 years at time of delivery * Singleton pregnancy * Vaginal delivery * Intention to breast feed for at least three months * No prescription medications that may interfere with gut microbiome * Not taking antibiotics for ≥ 1 week prior to each visit * No chia seed supplements during pregnancy Exclusion Criteria: * Inability to understand English * Preterm or post-term birth (gestational age \<37 or \>42 weeks) * Congenital or other defect or medical condition that would affect the mother's ability to produce milk or the infant's growth or ability to breastfeed * Infant eating more than 12 ounces of any liquid other than breast milk in the two weeks prior to each study visit * Taking Antibiotics (all), Proton pump inhibitors/H2 blockers, Metformin, NSAIDs, Statins, SSRIs and tricyclic antidepressants
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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
2 sites. 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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Brigham and Womens Hospital
Boston, Massachusetts, 02115, United States
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University of Oklahoma Health Sciences Center
Oklahoma City, Oklahoma, 73104, United States
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