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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06357299
Other study ID # Pro00115060
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date July 1, 2024
Est. completion date February 1, 2026

Study information

Verified date April 2024
Source Duke University
Contact Janna B Howard, MPH
Phone 919-620-4793
Email janna.howard@duke.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study will use a 2 x 2 factorial design to test impact of two intervention strategies (bottle size and bottle opacity) on infant weight gain.


Description:

Infants who gain weight rapidly have over 4 times higher odds of developing obesity as a child or adult; infants who are predominantly bottle-fed are at higher risk for excessive infancy weight gain and childhood obesity, yet there are not effective interventions to reduce excessive weight gain among infants who are bottle-fed. The investigators' preliminary work suggest that two novel intervention strategies are feasible and may reduce excessive infancy weight gain: reducing bottle size; and increasing bottle opacity. The investigators aim to test the independent and joint efficacy of these two intervention components among exclusively bottle-fed infants in a randomized, full factorial clinical trial. The investigators' primary objective is to measure the change in conditional weight gain z-score (CWGz) from birth to four months by study group. 4 groups are composed of two conditions: smaller bottles and opaque bottles, independently and in combination, via a 2x2 factorial trial design.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 76
Est. completion date February 1, 2026
Est. primary completion date February 1, 2026
Accepts healthy volunteers No
Gender All
Age group 3 Days to 1 Month
Eligibility Inclusion Criteria: - Child is 3 days old to 1 month old - Greater than 37 weeks gestational age at birth - Birth weight greater than 3% for sex-specific WHO growth standard - Caregiver must plan to use local clinic as infant's primary medical home for first 6 months of life - Caregiver must speak English or Spanish as primary preferred language - Caregiver age 18 years or older - Caregiver must agree to use intervention bottles assigned during randomization and agree to stop using their existing bottles during the study period Exclusion Criteria: - Multiple gestation - Significant congenital anomaly or acquired or inherited condition directly affecting feeding, physiology, metabolism, or growth - Feeding with soy-based, hydrolyzed, lactose-reduced, or elemental formula - Weight loss greater than 95% for population reference in the first two weeks of life

Study Design


Intervention

Behavioral:
Small Bottle Size
Small sized bottle
Standard Bottle Size
Standard sized bottle
Clear Bottle
Clear bottle
Opaque Bottle
Opaque bottle

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Duke University National Institutes of Health (NIH)

Outcome

Type Measure Description Time frame Safety issue
Primary Conditional weight gain z-score changes (CWGz) CWGz scores will be calculated for each participant as the residual of the actual weight-for-age z-score at 4 months minus its predicted z-score from linear regression of the 4 month z-score on birth weight z-score. Intent-to-treat analyses will include regression models, stratified by sex, with CWGz score as the outcome. Birth to 4 months
Secondary Formula volume per feed At the time of in-home video recordings, the volume per feed will be measured from the pre- and post-weight of bottles by a food-grade scale calibrated and accurate to the nearest 0.01g. Birth to 4 months
Secondary Caregiver sensitivity to cues as measured by the Nursing Child Assessment Feeding Scale (NCAFS) The Nursing Child Assessment Feeding Scale (NCAFS) measures discrete behaviors scored as "presence" or "absence" of each bheavior/item. We will calculate feeding behavior scores on the "Sensitivity to Cues" subscale (score range 0 to 16) and "Responsiveness to Caregiver" subscale (score range 0 to 11). Score of 0 on a subscale means that none of the behaviors/items were observed, higher scores indicate more behaviors on the subscale were observed. Birth to 4 months
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