Effect of IMT in Patients After Acute Exacerbations of COPD
IN-SPIRED
The Effect of Home-based Inspiratory Muscle Training Compared to Usual Care on Readmission Rate in Patients After a Severe Acute Exacerbation of Chronic Obstructive Pulmonary Disease: a Randomised, Multicentre, Parallel Group Clinical Trial: IN-SPIRED Trial
2 other identifiers
interventional
358
1 country
12
Brief Summary
The goal of this clinical trial is to test whether home-based inspiratory muscle training can reduce hospital readmissions and death in patients recovering from a severe acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The main questions this study aims to answer are: Does adding home-based inspiratory muscle training to usual care lower the risk of all-cause hospital readmission or death within 180 days after discharge? Does inspiratory muscle training improve respiratory muscle strength, symptoms of dyspnea, quality of life, and functional capacity compared to usual care? Researchers will compare patients randomized to: Intervention group: Home-based inspiratory muscle training plus usual care Control group: Usual care only to see if inspiratory muscle training leads to fewer readmissions and deaths, and better patient-reported and physiological outcomes. Participants will: Be hospitalized for ≥3 days due to AECOPD, age ≥35 years, able to consent, and own a compatible smartphone. In the intervention group, receives usual care and additionally inspiratory muscle training: Inspiratory muscle training twice daily for 90 days, then once daily up to day 180, with remote telemonitoring via a smartphone app and online supervised sessions. The control group will continue with usual care (pharmacological treatment, smoking cessation advice, vaccinations, and referral to pulmonary rehabilitation if available). Follow-up assessments will include hospital readmissions, survival, and quality of life questionnaires up to 12 months after discharge.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2026
Typical duration for not_applicable
12 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 15, 2025
CompletedFirst Posted
Study publicly available on registry
October 8, 2025
CompletedStudy Start
First participant enrolled
January 6, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
February 1, 2029
May 28, 2026
January 1, 2026
2.4 years
September 15, 2025
May 27, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Composite outcome (all-cause hospital readmission or mortality)
within 180 days after hospital discharge
Secondary Outcomes (23)
Composite outcome (all-cause hospital readmission or mortality)
within 90 days after hospital discharge
Time-to-composite outcome (all-cause hospital readmission or mortality)
within 180 days after hospital discharge
Hospital re-admission
Day 28, 90 and 180 after hospital discharge
All-cause mortality
Day 28, 90 and 180 after hospital discharge
Primary care and specialty consultationsc
Day 90 and 180 after hospital discharge
- +18 more secondary outcomes
Other Outcomes (12)
Intensive care unit admission
Day 90, 180, 365 after hospital discharge
Lung function: Diffusion capacity
Day 180 after hospital discharge
1 minute sit-to-stand test, Repetitions from Baseline
Day 180 after hospital discharge
- +9 more other outcomes
Study Arms (2)
Intervention
EXPERIMENTALControl
NO INTERVENTIONPatients will receive usual care, including optimal pharmacological therapy per international guidelines, advise on smoking cessation, vaccination, and physical activity participation and advised to attend physiotherapy or a respiratory rehabilitation program based on accessibility and patient preference.
Interventions
home-based inspiratory muscle training (IMT) will be delivered using a portable IMT device connected via Bluetooth to a smartphone application that provides real-time feedback, adherence monitoring, and telemonitoring by the study team. Patients will train for 365 days following hospital discharge due to an acute exacerbation of COPD: * Intensive phase (Day 0-90): 2 daily sessions, each consisting of 30 breaths against an inspiratory load set by thetelemonitor, with regular online supervised IMT sessions, 7 sessions in total * Maintenance phase (Day 91-180): One daily session of 30 breaths, with sporadic online supervised IMT sessions, 2 sessions in total. * Follow-up phase (Day 181-365): Participants may continue IMT unsupervised. Supervision includes both in-person sessions at hospital visits and online sessions with telemonitors.
Eligibility Criteria
You may qualify if:
- Patients admitted to the hospital ≥3 days for AECOPD
- Read and speak French, Dutch or English
- Age ≥ 35 years
- Able to provide informed consent
- Possessing a smartphone, compatible with the tele-monitoring app and able to perform video meetings.
You may not qualify if:
- Patients with estimated \<90 days life expectancy
- Non-COPD pulmonary disease as primary diagnosis
- Active malignancy
- Inability to perform IMT or response to questionnaires (e.g., neurological/cognitive impairment)
- Acute instable cardiac arrythmia or ischemia
- Acute pneumothorax
- Planned lung volume reduction procedure \<180days
- Waitlisted for lung transplantation
- Patients admitted to an in-hospital rehabilitation ward
- Patients included in other interventional trial related to COPD that would interfere with our trial outcomes.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- KU Leuvenlead
- Hopitaux Iris Sudcollaborator
- Centre Hospitalier Universitaire Saint Pierrecollaborator
- Onze Lieve Vrouw Hospitalcollaborator
- AZ Deltacollaborator
- University Hospital, Antwerpcollaborator
- Algemeen Ziekenhuis Maria Middelarescollaborator
- Grand Hôpital de Charleroicollaborator
- Centre Hospitalier Universitaire UCLouvain Namurcollaborator
- Centre Hospitalier Universitaire de Liegecollaborator
- General Hospital Groeningecollaborator
- University Hospital, Ghentcollaborator
Study Sites (12)
AZORG
Aalst, 9300, Belgium
Campus Joseph Bracops, Hôpitaux Iris Sud
Anderlecht, 1070, Belgium
Centre Hospitalier Universitaire Saint-Pierre
Brussels, 1000, Belgium
Grand Hopial de Charleroi
Charleroi, 6000, Belgium
Universitair Ziekenhuis Antwerpen
Edegem, 2650, Belgium
AZ Maria Middelares
Ghent, 9000, Belgium
Universitair Ziekenhuis Gent
Ghent, 9000, Belgium
AZ Groeninge
Kortrijk, 8500, Belgium
University Hospitals Leuven
Leuven, 3000, Belgium
Centre hospitalier universitaire de Liège
Liège, 4000, Belgium
AZ Delta
Roeselare, 8800, Belgium
Centre Hospitalier Universitaire UCL Namur
Yvoir, 5530, Belgium
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Daniel Langer, PhD
KU Leuven
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- associate professor Faculty of Movement and Rehabilitation Sciences
Study Record Dates
First Submitted
September 15, 2025
First Posted
October 8, 2025
Study Start
January 6, 2026
Primary Completion (Estimated)
June 1, 2028
Study Completion (Estimated)
February 1, 2029
Last Updated
May 28, 2026
Record last verified: 2026-01
Data Sharing
- IPD Sharing
- Will not share
At this time, there are no plans to share individual participant data (IPD). De-identified participant-level data will not be made publicly available. However, summary results of the trial will be published in peer-reviewed journals and presented at scientific meetings. Researchers interested in secondary analyses may contact the sponsor (UZ Leuven) to discuss possibilities for collaborative projects, subject to approval by the Trial Steering Committee and compliance with applicable regulations and GDPR.