Journal
ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH
Volume 42, Issue 7, Pages 1315-1326Publisher
WILEY
DOI: 10.1111/acer.13768
Keywords
Fetal Alcohol Spectrum Disorders; Prenatal Alcohol Exposure; Fetal Alcohol Syndrome; Maternal Choline Supplementation; Feasibility; Adherence
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Funding
- NIH/National Institute on Alcohol Abuse and Alcoholism [R21AA020332, R01AA016781, K23AA020516, 2P30DK040561]
- National Institute of Diabetes and Digestive and Kidney Diseases [2P30DK040561, R01DK115380, P30DK056350, K24DK104676]
- Lycaki-Young Fund of Michigan
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BackgroundCholine, an essential nutrient, serves as a methyl-group donor for DNA methylation and is a constituent of the neurotransmitter acetylcholine and a precursor to major components of cell membranes. Findings from animal studies suggest that choline supplementation during pregnancy can mitigate adverse effects of prenatal alcohol exposure on growth and neurocognitive function. We conducted a randomized, double-blind exploratory trial to examine feasibility and acceptability of a choline supplementation intervention during pregnancy. MethodsSeventy heavy drinkers, recruited in mid-pregnancy, were randomly assigned to receive a daily oral dose of 2g of choline or a placebo from time of enrollment until delivery. Each dose consisted of an individually wrapped packet of powder that, when mixed with water, produced a sweet tasting grape-flavored drink. Adherence was assessed by collecting used and unused drink packets on a monthly basis and tabulating the number used. Side effects were assessed in monthly interviews. Blood samples obtained at enrollment and at 4 and 12weeks after randomization were assayed for plasma choline concentration. ResultsAdherence was good-to-excellent (median doses taken=74.0%; interquartile range=53.9 to 88.7%) and was not related to a range of sociodemographic characteristics or to alcohol consumption ascertained using a timeline follow-back interview. By 4weeks, plasma choline concentrations were significantly higher in the choline supplementation than the placebo arm, and this group difference continued to be evident at 12weeks. The only side effect was a small increase in nausea/dyspepsia. No effects were seen for diarrhea, vomiting, muscle stiffness, blood pressure, or body odor changes. ConclusionsThis study demonstrated that a choline supplementation program with very heavy drinkers during pregnancy is feasible even among highly disadvantaged, poorly educated women. The broad acceptability of this intervention is indicated by our finding that adherence was not related to maternal education, intellectual function, depression, nutritional status, or alcohol use.
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