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Effects of Exercise Training Intensity on Fitness and Insulin Sensitivity in African Americans

NCT02892331 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 52

Last updated 2024-06-13

Study results available
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Summary

African Americans are at a substantially greater type 2 diabetes risk compared to Caucasians; however, very little data are available on the effects of exercise training on type 2 diabetes risk factors in at risk African Americans. The present proposal will evaluate the effects of 6 months of moderate versus vigorous intensity aerobic exercise training on fitness, insulin sensitivity, mitochondrial capacity, skeletal muscle oxidative/insulin sensitivity markers, adiposity, and quality of life in African Americans.

Conditions

Interventions

BEHAVIORAL

Moderate intensity exercise training (MOD-INT)

Participants in the MOD-INT group will exercise at the heart rate associated with 45-55% VO2 max. The exercise volume will be 600 MET-minutes per week, which is consistent with current public health guidelines (500-1,000 MET-minutes)

BEHAVIORAL

High Intensity exercise training (HI-INT)

Participants in the HI-INT group will exercise at the heart rate associated with 70-80% VO2 max (heart rate ranges will be updated at mid-intervention CRF assessment). The exercise volume will be 600 MET-minutes per week, which is consistent with current public health guidelines (500-1,000 MET-minutes)3

Sponsors & Collaborators

  • East Carolina University

    lead OTHER

Principal Investigators

  • Damon L Swift, Ph.D. · East Carolina University

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
35 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2016-10-31
Primary Completion
2021-08-31
Completion
2021-08-31

Countries

  • United States

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02892331 on ClinicalTrials.gov