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Clinical Trial Summary

The purpose of this study is to investigate the effects of an extended behavioral intervention in exercise-based CR for improvement of physical capacity, adherence, psychological and physiological parameters, compared with usual care.


Clinical Trial Description

Consecutive patients will be included at the coronary care unit (CCU), Linköping University Hospital, Sweden. Physiotherapists ask patients for informed consent at the CCU and book an appointment at the exercise-based CR 2-3 weeks after discharge for baseline tests. After baseline testing patients will be randomized to either extended intervention or routine care. Randomization will be stratified by submaximal exercise capacity. Patients randomized to the extended intervention group receive an additional appointment to a physiotherapist within a week. Thereafter patients in both groups start the exercise-based CR program, including aerobic exercise and resistance exercise, 3 times/week for 16 weeks, according to international guidelines for exercise-based CR.

The extended intervention is based on components from behavioral medicine including: specific goal-setting, self-monitoring and feed-back.

Changes in the endpoint variables will be measured from baseline to first (16 weeks at end of intervention) and second (12 months after index event) follow-up visits.

Sample size calculations are based on previous clinical data from a similar exercise-based CR setting (n=50) on differences in aerobic exercise capacity measured by submaximal exercise test (watts) before vs after finished exercise-based CR. With a power of 80% and a two-sided significance level of p<0.05 and least mean difference at 10 watts (SD 20 watts) and a calculated loss of follow-up of 20%, the estimated sample size is 160 patients. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT02895451
Study type Interventional
Source Linkoeping University
Contact Maria Bäck, PhD
Phone +46 700 852795
Email maria.back@liu.se
Status Recruiting
Phase N/A
Start date January 2016
Completion date September 2018

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