Understanding the benefits of human milk on infant and child health

The UCSD Human Milk Biorepository

Observational University of California, San Diego · NCT05553743

This study is trying to see how breast milk affects the health of babies and children by collecting milk samples and health information from breastfeeding mothers.

Quick facts

Study typeObservational
Enrollment5000 (estimated)
Ages18 Years and up
SexFemale
SponsorUniversity of California, San Diego Academic / other
Locations1 site (San Diego, California)
Trial IDNCT05553743 on ClinicalTrials.gov

What this trial studies

This observational study at UC San Diego aims to establish a biorepository of breast milk samples to investigate how human milk influences the health of infants and children. Participants will provide milk samples and complete questionnaires regarding their health, eating habits, and mood. The collected samples and data will be stored for future research to better understand the impact of breastfeeding, especially in the context of COVID-19 and related treatments. The study seeks to gather valuable insights that could inform health recommendations for breastfeeding mothers and their children.

Who should consider this trial

Good fit: Ideal candidates for this study are women aged 18 and older who are currently breastfeeding and can provide excess milk for donation.

Not a fit: Women under 18 years old or those not breastfeeding will not benefit from this study.

Why it matters

Potential benefit: If successful, this research could enhance understanding of the health benefits of breastfeeding and inform better health practices for mothers and infants.

How similar studies have performed: Other studies have shown promising results in understanding the benefits of human milk, making this approach both relevant and valuable.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women who are 18 years old or older
* Breastfeeding
* Producing sufficient breast milk to donate an excess to the Biorepository

Exclusion Criteria:

* Women under 18 years old

Where this trial is running

San Diego, California

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions BreastfeedingCOVID-19 InfectionCOVID-19 VaccineRemdesivirAntibiotics
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.