Lactose-free infant formula does not change outcomes of neonatal abstinence syndrome (NAS): a randomized clinical trial
- 31 August 2020
- journal article
- research article
- Published by Springer Science and Business Media LLC in Journal of Perinatology
- Vol. 41 (3), 598-605
- https://doi.org/10.1038/s41372-020-00797-7
Abstract
Objective To determine if lactose-free formula, compared to lactose-containing formula, decreases the cumulative morphine dose required to treat neonatal abstinence syndrome (NAS). Study design In a double-blind clinical trial, we randomized 74 infants (36–42 weeks gestation) at risk for developing NAS due to in-utero exposure to opioids to receive either lactose-free (Similac Sensitive®) or lactose-containing (Similac Advance®) infant formula. The primary outcome measure was the cumulative dose of morphine used for the treatment of NAS during the first 14 days of life. Results Data on 69 (4 withdrew consent and 1 ineligible)/74 randomized infants were analyzed. Patient characteristics between the infant groups fed lactose-free (n = 34) vs. lactose-containing (n = 35) infant formula were similar except more common maternal heroin abuse in the latter group (p = 0.013). Cumulative morphine dose (20.7 ± 19.8 vs. 23 ± 23.5 mg, p = 0.61) between the two groups were similar. Conclusion Lactose-free vs. lactose-containing infant formula did not change the outcomes of infants with NAS.Keywords
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