Early Childhood Obesity Programming by Intrauterine Growth Restriction

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

400 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-09-01

Study Completion Date

2028-03-31

Brief Summary

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The molecular mechanisms underlying developmental programming of childhood obesity remain poorly understood. Here, the investigators address major questions about early childhood obesity programming by studying CD3+ T-cells from intrauterine growth restricted (IUGR) newborns who have an increased risk for obesity and other metabolic disorders in adult life.

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Detailed Description

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Epidemiological studies of multiple cohorts suggest an increased risk for obesity, cardiovascular disease-related death and type 2 diabetes in low birth weight infants. However, the molecular mechanisms underlying developmental programming of childhood obesity remain poorly understood. Alterations in DNA methylation during fetal life have been proposed to be one of the mechanisms that regulate this phenotype. Here, the investigators address major questions about early childhood obesity programming by studying purified subpopulations of CD3+ T-cells from intrauterine growth restricted (IUGR) newborns who have an increased risk for obesity and other metabolic disorders in adult life. The investigators will correlate altered CD3+ T-cell DNA methylation profiles in cord and peripheral blood samples and functional changes in CD3+ T-cells with adiposity in childhood.

Conditions

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Childhood Obesity Epigenetics

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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IUGR infants

Intrauterine growth restricted infants will be enrolled. There are no interventions.

No interventions assigned to this group

AGA infants

Appropriate for gestational age infants will be enrolled. There are no interventions.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Healthy singleton term intrauterine growth restricted (IUGR) and appropriate for gestational age (AGA) infants whose mothers are followed by the Obstetric Department of Montefiore Medical Center and who deliver at the Weiler Division of Montefiore Medical Center. Infants will be classified as IUGR if birth weight is \<10th percentile for gestational age and gender based on World Health Organization (WHO) growth curves. Infants will be classified as AGA if birth weight percentile is \>10th and \<90th percentile
* Reproductive age women, healthy enough to achieve pregnancy
* Deliver a single healthy live term infant at ≥37 weeks' gestational age (GA)
* All patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines

Exclusion Criteria

* Multiple gestation
* Maternal depression
* Maternal renal disease
* History of maternal smoking in the 2nd and 3rd trimester of pregnancy
* Maternal gestational diabetes / Type 2 Diabetes (T2D)
* Preterm birth (less than 37 weeks' gestation)
* Known chromosomal or congenital anomaly
* Infants in extremis
* Low Apgar scores (Apgar score \<7 at 5 minutes of age)
* Known congenital bacterial or non-bacterial infections
* Known inborn errors of metabolism

Minimum Eligible Age

1 Hour

Maximum Eligible Age

24 Months

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes