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Effects of supervised exercise on progression-free survival in lymphoma patients: an exploratory follow-up of the HELP Trial

Purpose: Few randomized controlled trials in exercise oncology have examined survival outcomes. Here, we report an exploratory follow-up of progression-free survival (PFS) from the H̱ealthy E̱xercise for Ḻymphoma P̱atients (HELP) Trial. Methods: The HELP Trial randomized 122 lymphoma patients betwee...

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Published in:Cancer causes & control 2015-02, Vol.26 (2), p.269-276
Main Authors: Courneya, Kerry S., Friedenreich, Christine M., Franco-Villalobos, Conrado, Crawford, Jennifer J., Chua, Neil, Basi, Sanraj, Norris, Mary K., Reiman, Tony
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container_title Cancer causes & control
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creator Courneya, Kerry S.
Friedenreich, Christine M.
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Crawford, Jennifer J.
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Reiman, Tony
description Purpose: Few randomized controlled trials in exercise oncology have examined survival outcomes. Here, we report an exploratory follow-up of progression-free survival (PFS) from the H̱ealthy E̱xercise for Ḻymphoma P̱atients (HELP) Trial. Methods: The HELP Trial randomized 122 lymphoma patients between 2005 and 2008 to either control (n = 62) or 12 weeks of supervised aerobic exercise (n = 60). PFS events were abstracted from medical records in 2013. In addition to the randomized comparison, we explored the effects of exercise adherence (
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Here, we report an exploratory follow-up of progression-free survival (PFS) from the H̱ealthy E̱xercise for Ḻymphoma P̱atients (HELP) Trial. Methods: The HELP Trial randomized 122 lymphoma patients between 2005 and 2008 to either control (n = 62) or 12 weeks of supervised aerobic exercise (n = 60). PFS events were abstracted from medical records in 2013. In addition to the randomized comparison, we explored the effects of exercise adherence (&lt;80 % vs. ≥80 %) and control group crossover (no vs. yes). Results: After a median follow-up of 61 months (interquartile range 36–67), the adjusted 5-year PFS was 64.8 % for the exercise group compared with 65.0 % for the control group (Hazard ratio [HR] 1.01, 95 % CI 0.51–2.01, p = 0.98). In the secondary analysis, the adjusted 5-year PFS was 59.0 % in the control group without crossover compared with 69.2 % for the control group with crossover (HR 0.68, 95 % CI 0.22–2.06, p = 0.49), 67.7 % for the exercise group with &lt;80 % adherence (HR 0.72, 95 % CI 0.28–1.85, p = 0.50), and 68.4 % for the exercise group with ≥80 % adherence (HR 0.70, 95 % CI 0.32–1.56, p = 0.39). In a post hoc analysis combining the three groups that received supervised exercise, the adjusted 5-year PFS for the supervised exercise groups was 68.5 % compared with 59.0 % for the group that received no supervised exercise (HR 0.70, 95 % CI 0.35–1.39, p = 0.31). Conclusions: This exploratory follow-up of the HELP Trial suggests that supervised aerobic exercise may be associated with improved PFS in lymphoma patients. 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Here, we report an exploratory follow-up of progression-free survival (PFS) from the H̱ealthy E̱xercise for Ḻymphoma P̱atients (HELP) Trial. Methods: The HELP Trial randomized 122 lymphoma patients between 2005 and 2008 to either control (n = 62) or 12 weeks of supervised aerobic exercise (n = 60). PFS events were abstracted from medical records in 2013. In addition to the randomized comparison, we explored the effects of exercise adherence (&lt;80 % vs. ≥80 %) and control group crossover (no vs. yes). Results: After a median follow-up of 61 months (interquartile range 36–67), the adjusted 5-year PFS was 64.8 % for the exercise group compared with 65.0 % for the control group (Hazard ratio [HR] 1.01, 95 % CI 0.51–2.01, p = 0.98). 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control</jtitle><stitle>Cancer Causes Control</stitle><addtitle>Cancer Causes Control</addtitle><date>2015-02-01</date><risdate>2015</risdate><volume>26</volume><issue>2</issue><spage>269</spage><epage>276</epage><pages>269-276</pages><issn>0957-5243</issn><eissn>1573-7225</eissn><coden>CCCNEN</coden><abstract>Purpose: Few randomized controlled trials in exercise oncology have examined survival outcomes. Here, we report an exploratory follow-up of progression-free survival (PFS) from the H̱ealthy E̱xercise for Ḻymphoma P̱atients (HELP) Trial. Methods: The HELP Trial randomized 122 lymphoma patients between 2005 and 2008 to either control (n = 62) or 12 weeks of supervised aerobic exercise (n = 60). PFS events were abstracted from medical records in 2013. In addition to the randomized comparison, we explored the effects of exercise adherence (&lt;80 % vs. ≥80 %) and control group crossover (no vs. yes). Results: After a median follow-up of 61 months (interquartile range 36–67), the adjusted 5-year PFS was 64.8 % for the exercise group compared with 65.0 % for the control group (Hazard ratio [HR] 1.01, 95 % CI 0.51–2.01, p = 0.98). In the secondary analysis, the adjusted 5-year PFS was 59.0 % in the control group without crossover compared with 69.2 % for the control group with crossover (HR 0.68, 95 % CI 0.22–2.06, p = 0.49), 67.7 % for the exercise group with &lt;80 % adherence (HR 0.72, 95 % CI 0.28–1.85, p = 0.50), and 68.4 % for the exercise group with ≥80 % adherence (HR 0.70, 95 % CI 0.32–1.56, p = 0.39). In a post hoc analysis combining the three groups that received supervised exercise, the adjusted 5-year PFS for the supervised exercise groups was 68.5 % compared with 59.0 % for the group that received no supervised exercise (HR 0.70, 95 % CI 0.35–1.39, p = 0.31). Conclusions: This exploratory follow-up of the HELP Trial suggests that supervised aerobic exercise may be associated with improved PFS in lymphoma patients. 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source JSTOR Archival Journals and Primary Sources Collection; Springer Link
subjects Adolescent
Adult
Aerobics
Aged
Aged, 80 and over
Biomedical and Life Sciences
Biomedicine
Cancer Research
Cancer therapies
Chemotherapy
Combined Modality Therapy
Cross-Over Studies
Disease-Free Survival
Epidemiology
Exercise
Exercise Therapy - methods
Female
Follow-Up Studies
Health care
Hematology
Humans
Lymphoma
Lymphoma - therapy
Male
Middle Aged
Oncology
Original Paper
Patients
Physical fitness
Public Health
Quality of life
Time Factors
Treatment Outcome
Young Adult
title Effects of supervised exercise on progression-free survival in lymphoma patients: an exploratory follow-up of the HELP Trial
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