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Studying Phenotypic Risks for Obesity and Underlying Traits in Young Infants

Studying Phenotypic Risks for Obesity and Underlying Traits in Young Infants: A Pilot Study

Who can join

2 Weeks – 16 Weeks · All sexes · Healthy volunteers welcome

Inclusion Criteria:

* Aged 2 weeks to less than 17 weeks at screening
* Being fed human milk as a primary source of food
* Be willing to consume one meal of infant formula
* Be willing to complete a DXA measurement

Exclusion Criteria:

* Unable to complete the screening visit and two clinic visits within 14 days
* Born with health conditions that would render procedures unsafe
* Born earlier than 35 days and 0 weeks gestation
* Eating supplemental foods
* Physician diagnosed feeding difficulties that may require a special type of nipple for bottle feeding

About the study

The purpose of this research study is to understand how infants metabolize different meals and to develop clinical tools which identify infants as having two different phenotypes. The phenotypes are the 1) metabolic "thriftiness" and 2) the metabolic flexibility.

What is being tested

• Meal Test - Human Milk (other)
• Meal Test - Infant Formula (other)

Sponsor: Pennington Biomedical Research Center · Participants: 40 · Started: Jul 28, 2025

Contact the study team

• Abby A Altazan, MS · Phone: 225-763-2801

Official record on ClinicalTrials.gov — NCT07096011

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.