Impact of Reading on Endogenous Oxytocin System of Preterm Infants

Status Recruiting

Clinical Trial Summary

The purpose of this study is to learn how early language exposure may be related to changes in DNA in parents and their premature infants. While a person's genetic code is determined at the time of conception, the way that some genes are expressed in the body can be changed even after an individual is born. These changes are called epigenetic changes. In this study, the investigators want to learn about the epigenetic changes that happen after a premature baby is born and whether a parent's interaction with their baby can influence these epigenetic changes. The investigators will look at epigenetic changes by collecting saliva samples from parents and their preterm babies, here defined as babies born at <33 weeks gestation. Specifically, the investigators will be looking at salivary levels of DNA methylation of the oxytocin receptor gene (OXTRm). The investigators will track changes in OXTRm levels over time in parents and their babies and see if these levels change in relation to how much time parents spend with their babies and how much time they spend reading to their babies. The investigators will ask mothers and, if desired, their partners to read to their babies for at least 15 minutes per week. The investigators will ask them to track time spent with the baby and reading time on a log, and will also measure word count with a commercially-available LENA device. The investigators will use logistic regression analysis to identify the independent association between OXTR DNA methylation and time spent with parent(s) and word count.

Clinical Trial Description

Student's t-test and Pearson's chi-square tests will be used to compare continuous and categorical variables, respectively. Logistic regression analysis will used to identify the independent association between OXTR DNA methylation and time spent with parent(s) and word count. Variables with p≤0.20 in the univariate analysis will be entered into a stepwise logistic multivariate regression model. Odds ratios with 95% confidence intervals will be calculated. p value of less than 0.05 will be considered statistically significant. A protocol modification was submitted to and approved by the University of Virginia IRB due to slower than expected participant enrollment. The protocol was modified such that: - Enrollment of <33 week instead of <32 week infants was permitted - Enrollment was permitted through the first 2 weeks after birth instead of through the first 1 week after birth ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05412524
Study type	Interventional
Source	University of Virginia
Contact
Status	Recruiting
Phase	N/A
Start date	September 23, 2022
Completion date	April 2024

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.