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Effects of high‐intensity aerobic interval training on cardiovascular disease risk in testicular cancer survivors: A phase 2 randomized controlled trial
BACKGROUND Testicular cancer survivors (TCS) have an increased risk of treatment‐related cardiovascular disease (CVD), which may limit their overall survival. We evaluated the effects of high‐intensity aerobic interval training (HIIT) on traditional and novel CVD risk factors and surrogate markers o...
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Published in: | Cancer 2017-10, Vol.123 (20), p.4057-4065 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | BACKGROUND
Testicular cancer survivors (TCS) have an increased risk of treatment‐related cardiovascular disease (CVD), which may limit their overall survival. We evaluated the effects of high‐intensity aerobic interval training (HIIT) on traditional and novel CVD risk factors and surrogate markers of mortality in a population‐based sample of TCS.
METHODS
This phase 2 trial (ClinicalTrials.gov identifier NCT02459132) randomly assigned 63 TCS to usual care (UC) or 12 weeks of supervised HIIT (ie, alternating periods of vigorous‐intensity and light‐intensity aerobic exercise). The primary outcome was peak aerobic fitness (VO2peak) assessed via a treadmill‐based maximal cardiorespiratory exercise test. Secondary endpoints included CVD risk (eg, Framingham Risk Score), arterial health, parasympathetic nervous system function, and blood‐based biomarkers.
RESULTS
Postintervention VO2peak data were obtained for 61 participants (97%). HIIT participants attended 99% of the exercise sessions and achieved 98% of the target exercise intensity. Analysis of covariance demonstrated that HIIT was superior to UC for improving VO2peak (adjusted between‐group mean difference, 3.7 mL O2/kg/min; 95% confidence interval, 2.4‐5.1 [P |
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ISSN: | 0008-543X 1097-0142 |
DOI: | 10.1002/cncr.30859 |