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Updated: Feb 3, 2026

In Silico Clinical Trials for Cardiovascular Disease
Published on: May 27, 2022
Trial Characteristics That Affect Parental Consent in Neonatal Drug Trials
I Blaire Hanvey1, Sofia Aliaga1, Matthew M Laughon1
1Department of Pediatrics, University of North Carolina School of Medicine, Chapel Hill, North Carolina.
Objective:
The main purpose of this article is to determine parental consent rates in neonatal drug trials and describe trial characteristics associated with higher rates.
Study Design:
We included neonatal drug trials published between 2009 and 2014 and compared parental consent rates among the following characteristics: phase type, gestational age, randomization type, drug administration route, drug dosing frequency, blood sampling, control type, length of study, funding source, and length of treatment. We compared characteristics using chi-square, Fisher's exact, one-way analysis of variance or Kruskal-Wallis tests.
Results:
We identified 52 trials: 38 trials (73%) reported data of parental consent. Median percentage (interquartile range) of parental consent was 79% (62, 89). Higher rates were observed in studies that used active comparators (87%) and shorter study lengths (81% for studies <24 hours).
Conclusion:
Parental consent rates for neonatal drug trials varied by study characteristics. Information on proportion of parents consented is valuable to assess generalizability of trial results and for preparing trial protocols.
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