Document Detail


Dietary nucleotides and early growth in formula-fed infants: a randomized controlled trial.
MedLine Citation:
PMID:  20837597     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Dietary nucleotides are nonprotein nitrogenous compounds that are found in high concentrations in breast milk and are thought to be conditionally essential nutrients in infancy. A high nucleotide intake has been suggested to explain some of the benefits of breastfeeding compared with formula feeding and to promote infant growth. However, relatively few large-scale randomized trials have tested this hypothesis in healthy infants.
OBJECTIVE: We tested the hypothesis that nucleotide supplementation of formula benefits early infant growth.
PATIENTS AND METHODS: Occipitofrontal head circumference, weight, and length were assessed in infants who were randomly assigned to groups fed nucleotide-supplemented (31 mg/L; n=100) or control formula without nucleotide supplementation (n=100) from birth to the age of 20 weeks, and in infants who were breastfed (reference group; n=101).
RESULTS: Infants fed with nucleotide-supplemented formula had greater occipitofrontal head circumference at ages 8, 16, and 20 weeks than infants fed control formula (mean difference in z scores at 8 weeks: 0.4 [95% confidence interval: 0.1-0.7]; P=.006) even after adjustment for potential confounding factors (P=.002). Weight at 8 weeks and the increase in both occipitofrontal head circumference and weight from birth to 8 weeks were also greater in infants fed nucleotide-supplemented formula than in those fed control formula.
CONCLUSIONS: Our data support the hypothesis that nucleotide supplementation leads to increased weight gain and head growth in formula-fed infants. Therefore, nucleotides could be conditionally essential for optimal infant growth in some formula-fed populations. Additional research is needed to test the hypothesis that the benefits of nucleotide supplementation for early head growth, a critical period for brain growth, have advantages for long-term cognitive development.
Authors:
Atul Singhal; Kathy Kennedy; J Lanigan; Helen Clough; Wendy Jenkins; Alun Elias-Jones; Terrence Stephenson; Peter Dudek; Alan Lucas
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2010-09-13
Journal Detail:
Title:  Pediatrics     Volume:  126     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-05     Completed Date:  2010-10-27     Revised Date:  2014-02-20    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e946-53     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Growth*
Head / growth & development
Humans
Infant
Infant Formula*
Infant, Newborn
Nucleotides / administration & dosage*
Weight Gain
Grant Support
ID/Acronym/Agency:
G0700349//Medical Research Council; //Medical Research Council
Chemical
Reg. No./Substance:
0/Nucleotides

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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