An interventional study of High-intensity IMT and Low-intensity IMT in Asthma, sponsored by Universidade Federal do Rio Grande do Norte. Completed at 1 site in Brazil. Open to participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2019-09-10.
Sponsored by Universidade Federal do Rio Grande do Norte · Not applicable, Interventional, and Treatment
Inspiratory muscle training (IMT) can reverse or delay the complications from the deterioration of inspiratory muscle function in asthma. Thus, the IMT has been considered a treatment option for people with asthma. The aim of this study is to investigate the training principles of intensity, specificity and reversibility of IMT in asthmatics.
1,092 studies on the registry are indexed under Respiratory Aspiration; 216 are open to participants now.
This study's enrollment of 29 is below the median of 42 across 881 interventional studies indexed under Respiratory Aspiration.
Browse Respiratory Aspiration studies →Universidade Federal do Rio Grande do Norte is the lead sponsor of 84 studies on the registry; 13 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Exclusion Criteria:
Participants enrolled in this arm received high-intensity IMT
Device: High-intensity IMT
Participants enrolled in this arm received low-intensity IMT
Device: Low-intensity IMT
30 breaths at 50% of the maximal inspiratory pressure, twice daily for 6 weeks
30 breaths at 15% of the maximal inspiratory pressure, twice daily for 6 weeks
Change in inspiratory muscle strength
Maximal inspiratory pressure
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in expiratory muscle strength
Maximal expiratory pressure
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in asthma control
Asthma Control Questionnaire measures the adequacy of asthma control and change in asthma control which occurs either spontaneously or as a result of treatment. Scores range between 0 (totally controlled) and 6 (severely uncontrolled)
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in quality of life
Asthma Quality of Life Questionnaire is a disease-specific health-related quality of life instrument that taps both physical and emotional impact of disease. Scores range 1-7, with higher scores indicating better quality of life.
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in six minute walk test distance
Six-minute walk test (6MWT)
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in forced vital capacity
Forced vital capacity in litres and % of predicted
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in forced expiratory volume
Forced expiratory volume in litres and % of predicted
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in forced expiratory volume/forced vital capacity
Forced expiratory volume/forced vital capacity
Time frame: Baseline, 6 weeks later and 6 weeks after training
Change in inspiratory muscle activity
Surface electromyography of inspiratory muscles
Time frame: Baseline, 6 weeks later and 6 weeks after training
This study is completed, as verified in Sep 2019. You cannot join it, but the record below documents what was studied.
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Universidade Federal do Rio Grande do Norte