- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03517293
Enhanced Neonatal Health and Neonatal Cardiac Effect Developmentally (ENHANCED)
AHA and ACSM recognize lack of exercise is a major risk factor for developing cardiovascular disease (CVD), and other CVD risk factors such as obesity. It is important to note that CVD is the sixth leading cause of death and children are more likely to be undiagnosed due to their age and lack of symptoms. Further, according to the CDC, over one-third of children and adolescents are overweight or obese and at increased risk of CVD. Although many programs for children aim to decrease CVD risks and obesity few, if any, programs begin the intervention during prenatal development. Our preliminary findings suggest that regular maternal exercise improves cardiovascular health (lower heart rate, increased heart rate variability), normalizes body fat composition, and improves nervous system and motor tone even after birth. Norepinephrine is essential for fetal development, influences many tissues (heart, nerve cells, skeletal muscle, and fat cells), and can stimulate growth factors. It is believed that exercise hormones, such as norepinephrine, released during maternal exercise influence these growth factors during development.
The central hypothesis of this proposal is that regular maternal exercise during pregnancy will improve the health of offspring before and after birth as evidenced by lower resting heart rate, increasing heart rate variability improved neurological maturation, and decreased adiposity. We have three specific aims to test this hypothesis through the Enhanced Neonatal Health and Neonatal Cardiovascular Efficiency Developmentally (ENHANCED) by Mom project (IRB approved #12-002524). Aim 1 will establish the association between maternal exercise during pregnancy and the heart health of offspring before and after birth. Aim 2 will determine the relationship between modes of regular maternal exercise and neonate neurological and muscular maturation as this relates to health of the child after birth. Aim 3 will elucidate the influence of different modes of maternal exercise during pregnancy on fetal and infant body composition as this relates to risk of obesity and CVD disease. These studies will provide novel insight into how different types of maternal exercise during pregnancy influence the overall health of offspring. Furthermore, these findings may have significant implications on the public health as it may provide evidence of pregnancy as the earliest intervention for attenuating cardiovascular disease risk of children.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Recent studies have shown alarming increases in some of the major modifiable risk factors for heart disease (cholesterol, blood pressure, adiposity) in young children. We have previously found an association between self-reported exercise during pregnancy and improved heart measures of the fetus and neonate. In addition, a limited number of studies in which exercise was self-reported have demonstrated improved heart and adipose measures in the fetus or neonate with effects that persist into childhood. Previous prenatal exercise intervention studies using a prescribed exercise regimen have demonstrated the feasibility of such an approach; however, these studies have focused on maternal health and pregnancy outcomes such as birth weight. At this point, there is a gap in our understanding as to how carefully controlled, regular maternal aerobic exercise programs may lead to improvements in cardiovascular and adiposity risk factors in utero and in neonates.
The central hypothesis of this project is that maternal exercise during pregnancy will improve the health of the offspring. Specifically, the objectives of the research proposed in this application are to determine the effects of regular maternal exercise on heart function, adiposity, and neur0motor function of offspring
The data gathered will be the first documentation, by direct measurement, of the effects of maternal aerobic exercise on selected heart and obesity outcomes during the prenatal and postnatal periods. The potential impact of the proposed research on public health education regarding heart disease and obesity prevention is of public import.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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North Carolina
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Greenville, North Carolina, United States, 27834
- East Carolina University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age: 18 to 35 years BMI between 18.5 - 34.9 Pregnancy: Singleton; between 13-16 weeks gestation (based on ultrasound dating) Health Status: Healthy, no chronic illness that affects fetal growth; Clearance by Obstetric provider (no contraindications to exercise) Communication: fluent in English, available for contact by phone and email
Exclusion Criteria:
- Age: ≤ 17.9 or ≥ 35.9 years of age BMI <18.49 or >35 Pregnancy: expecting multiples; or ≥16 wks. Health Status: Any chronic condition (i.e. diabetes, hypertension, HIV, mental health disorders, etc.) that may affect fetal development Communication: unable to consent in English; No telephone/email contact Taking medicine known to affect fetal development/pregnancy outcomes (i.e. SSRI) Use of tobacco, alcohol, or other recreational drugs No transportation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Aerobic Exercise Intervention
Aerobic Exercise training 50 minutes of moderate intensity exercise, 3 times per week from ~16-40 weeks of pregnancy
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No Intervention: Control
usual daily activities - not exercise, not elevating heart rate
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Offspring Heart Development Measures
Time Frame: 36 week gestational age
|
Heart Rate
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36 week gestational age
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Offspring Heart Development Measures
Time Frame: One-month after birth
|
Heart Rate
|
One-month after birth
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Offspring Adipose Development Measures
Time Frame: 36 week gestational age
|
body fat
|
36 week gestational age
|
Offspring Adipose Development Measures
Time Frame: One-month after birth
|
body fat
|
One-month after birth
|
Offspring Body Development Measures
Time Frame: One-month after birth
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Lean Mass %
|
One-month after birth
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Offspring neuromotor outomces
Time Frame: One-month after birth
|
Neuromotor scores on PDMS-2 test
|
One-month after birth
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Linda E May, MS, PhD, East Carolina University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 12-002524
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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