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Related Experiment Video

Updated: Sep 14, 2025

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
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A Long-Term Physical Activity Coaching Program for Patients with Chronic Obstructive Pulmonary Disease: A Randomized

Astrid Blondeel1, Fien Hermans1,2, Sofie Breuls1

  • 1Department of Rehabilitation Sciences and.

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|July 23, 2025
PubMed
Summary

A 12-month physical activity (PA) coaching intervention did not show additional benefits for improving or maintaining PA in Chronic Obstructive Pulmonary Disease (COPD) patients compared to a lighter coaching approach. Long-term PA improvements were not significantly different between the full and light coaching groups.

Keywords:
activity trackerbehavior changechronic obstructive pulmonary diseasecoachingphysical activity

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Area of Science:

  • Pulmonary Rehabilitation
  • Behavioral Medicine
  • Clinical Trials

Background:

  • Physical activity (PA) is significantly reduced in patients with Chronic Obstructive Pulmonary Disease (COPD).
  • While PA coaching interventions show short-term effectiveness, long-term PA maintenance in COPD remains a challenge.
  • Individualized goals, feedback, and regular coach contact are hypothesized to be key for sustained PA improvements.

Purpose of the Study:

  • To evaluate the 12-month effectiveness of a comprehensive PA coaching intervention versus a light coaching intervention for improving and maintaining PA in COPD patients.
  • To compare the impact of dynamic, individualized goals and regular feedback against fixed goals and limited contact on long-term PA levels.

Main Methods:

  • A multicenter, single-blind randomized controlled trial (RCT) involving 150 COPD participants.
  • Participants were randomized into either a full coaching group (FCG) or a light coaching group (LCG).
  • The FCG received an activity tracker, a smartphone app with dynamic goal setting, regular feedback, and coach contact, while the LCG received an activity tracker, a fixed step goal, and limited support. Outcomes were assessed at baseline, 6, and 12 months.

Main Results:

  • No significant between-group differences were found in objectively measured PA or perceived PA at 6 or 12 months.
  • At 12 months, the full coaching group showed a change of -43±372 steps/day (p=0.91) and the light coaching group showed no significant change in PA.
  • Responder rates were similar between the FCG (19%) and LCG (22%) at 12 months.

Conclusions:

  • A comprehensive PA coaching intervention did not provide additional benefits for improving or maintaining PA in COPD patients compared to a light coaching intervention over 12 months.
  • The findings suggest that dynamic individualized goals, extensive feedback, and regular coach contact may not yield superior long-term PA outcomes in this population.
  • Further research is needed to identify effective strategies for long-term PA maintenance in COPD.