Effects of Infant Formula Composition on Infant Feeding Behaviors
| Status: | Completed |
|---|---|
| Conditions: | Healthy Studies |
| Therapuetic Areas: | Other |
| Healthy: | No |
| Age Range: | Any |
| Updated: | 12/20/2017 |
| Start Date: | May 2009 |
| End Date: | March 2011 |
There is a paucity of information on whether and how the composition of formulas fed to
infants influences their short-term feeding behaviors during the first few months of life.
The purpose of this study is to investigate whether the composition of infant formula affects
infants' feeding behaviors, in particular, how much formula is consumed within a given feed
(i.e., measure of satiation) and how much time elapses after the feed until the infant
exhibits signs of hunger (i.e., measure of satiety). The investigators will also examine the
relationship between the composition of infant formula consumed and infant temperature,
activity, sleep, and mothers' perceptions of infants' intake and regulatory behaviors.
infants influences their short-term feeding behaviors during the first few months of life.
The purpose of this study is to investigate whether the composition of infant formula affects
infants' feeding behaviors, in particular, how much formula is consumed within a given feed
(i.e., measure of satiation) and how much time elapses after the feed until the infant
exhibits signs of hunger (i.e., measure of satiety). The investigators will also examine the
relationship between the composition of infant formula consumed and infant temperature,
activity, sleep, and mothers' perceptions of infants' intake and regulatory behaviors.
This is a within-subject, 3-day study. Each mother-infant dyad will visit the Monell Center
three times, for 5 hours each time. The protocol during the three visits will be identical.
Upon arrival, the infant will be changed into a light-weight cotton body suit. Infants and
mothers will be weighed and measured for height. An activity sensor will be placed on the
infant and temperature sensors will be placed on both the infant and the mother. When the
infant signals hunger, he/she will be fed one of three formulas in randomized order:
1. cow milk based-formula (Enfamil)
2. protein hydrolysate formula (Nutramigen)
3. cow milk-based formula with glutamate level similar to Nutramigen (Enfamilg)
Intake will be monitored and all feeds will be videotaped. In between feedings, infants will
rest or sleep on their backs in a crib and mothers will fill out questionnaires.
three times, for 5 hours each time. The protocol during the three visits will be identical.
Upon arrival, the infant will be changed into a light-weight cotton body suit. Infants and
mothers will be weighed and measured for height. An activity sensor will be placed on the
infant and temperature sensors will be placed on both the infant and the mother. When the
infant signals hunger, he/she will be fed one of three formulas in randomized order:
1. cow milk based-formula (Enfamil)
2. protein hydrolysate formula (Nutramigen)
3. cow milk-based formula with glutamate level similar to Nutramigen (Enfamilg)
Intake will be monitored and all feeds will be videotaped. In between feedings, infants will
rest or sleep on their backs in a crib and mothers will fill out questionnaires.
Inclusion Criteria:
- Healthy, term infants of any racial background
- Infants may be of either sex
- Infants must be between 1 and 4 months of age
- Infants must be exclusively feeding a cow's milk-based formula
- Mothers must be over 18 years of age
Exclusion Criteria:
- Infants who were preterm
- Infants who have medical conditions that interfere with feeding or eating
- No major complications during pregnancy or at birth
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