Different Modalities of Exercise Training in COPD With Chronic Respiratory Failure (CRF)
Comparison of Clinical and Physiological Response Among Three Modalities of Exercise Training in COPD With Chronic Respiratory Failure (CRF)
1 other identifier
interventional
45
1 country
1
Brief Summary
Advanced Chronic Obstructive Pulmonary Disease (COPD) is a condition with a negative prognosis that causes symptoms such as wheezing and fatigue that dramatically reduce the quality of life of the person with the disease. Typically, the advanced stage of COPD is characterized by a fluctuating pattern and recurrent hospitalizations, and by a vicious circle in which dyspnoea increases and exercise tolerance reduces, causing depression with social isolation, low quality of life and increased risk of death. Muscle dysfunction in these patients contributes together with dynamic hyperinflation to increased fatigue and dyspnoea during exercise, leading to early interruption of exertion, before reaching the maximal aerobic capacity. The European and American guidelines of the American Thoracic Society / European Respiratory Society relating to the patient with COPD emphasize the need for the patient to undergo Respiratory Rehabilitation (RR) programs. The RR should include training programs as they improve exercise capacity, dyspnoea and quality of life more than programs that do not include training. To our knowledge, no study has been performed in COPD with chronic respiratory failure (CRF) patients to evaluate the effects of High Interval Training compared to continuous submaximal training. Moreover, no different interval training protocols have been compared. However, studies conducted on healthy subjects or on other pathologies, show how the interval training protocol induces, in a specific and diversified way, physiological modifications to the cardio-respiratory and muscular systems. In COPD patients with respiratory failure with marked muscular dysfunction and associated systemic changes (systemic inflammation, vascular changes, pulmonary hypertension, right heart failure, etc.), the evaluation of the best training program would reinforce the rehabilitative indications not yet fully proposed in the Guidelines. Moreover, the evaluation of the response to different training stimuli could provide important information on the reversibility of the intolerance to the effort in this patient population. Primary aim of this study will be to evaluate the physiological effects on exercise tolerance of three training modalities performed in an intra-hospital setting (classic endurance training compared to two high-intensity interval programs - Long Interval Training and Short Interval training) in a population of COPD patients with chronic hypoxemic respiratory failure.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Aug 2019
Longer than P75 for not_applicable
1 active site
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
Study Start
First participant enrolled
August 28, 2019
CompletedFirst Submitted
Initial submission to the registry
November 28, 2019
CompletedFirst Posted
Study publicly available on registry
December 17, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 16, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2024
CompletedOctober 31, 2024
October 1, 2024
3.8 years
November 28, 2019
October 29, 2024
Conditions
Outcome Measures
Primary Outcomes (3)
Changes in effort tolerance
We will evaluate the time to exhaustion (Tlim) of a Constant Load Endurance Test (CLET) taht will be set at load corresponding to 80% of the Watts max achieved at the incremental cicloergometer test.
at baseline, 1 month and 7 months
Changes in the maximal work load
Another way to evaluate changes in effort tolerance will be to evaluate the maximal work load (Watts max) that patients will achive during a cicloergometer incremental test.
at baseline and 1 month
Changes in walking distance
Another way to evaluate changes in effort tolerance will be to evaluate meters walked during a 6 minute walking test (6MWT).
at baseline, 1 month and 7 months
Secondary Outcomes (11)
Percentage of drop out patients
at 1 month
Patient's satisfaction: Likert scale
at 1 month
Change in dyspnoea
at baseline, 1 month and 7 months
Changes in quadriceps volume
at baseline, 1 month and 7 months
Change in ADL performance
at baseline, 1 month and 7 months
- +6 more secondary outcomes
Study Arms (3)
Active Comparator
ACTIVE COMPARATORThis is the constant-load Endurance Training (ET) group which will constitute the control group.
Long High Intensity Interval Training
EXPERIMENTALThis is the Long High Intensity Interval Training (Long-HIIT) group.
Short High Intensity Interval Training
EXPERIMENTALThis is the Short High Intensity Interval Training (Short-HIIT) group.
Interventions
These patients will perform an aerobic exercise with a moderate intensity cycle ergometer. The exercise session on an exercise bike will last 33 minutes at a constant load, starting from an intensity equal to the load of 60% of the maximum load (max watt) achieved at the incremental test. Working volume = 60 X 33 = 1980
The patients assigned to the Long-HIIT group will perform a 32-minute interval work with 4x4 protocol (active phase x passive phase) performing 4 minutes at an intensity of 80-85% of the Max Watt (active phase) spaced from 4 minutes to 40% of the Max Watt (passive phase). The goal of high intensity work will be to bring the heart rate to a level close to 85-90% of the maximum cardiac frequency achieved in the incremental exercise test. If this target is not reached within the session, the load of the next one will be increased in the following session with 10 watt steps. Working volume = 16 X 85 + 16 x 40 = 2000
The patients assigned to the Short-HIIT group will perform an interval work with initial intensity equal to 100% of the Max Watt highlighted in the incremental exercise stress test in the phase (30 seconds) followed by a passive phase of 30 seconds at 50% of the Max Watt for a period of 26 minutes a day. The intensity will be gradually increased during the sessions with symptom-based progression, according to the protocol of Maltais et al. with steps of 10 watts each increment. Working volume = 13 X 100 + 13 x 50 = 2050
Eligibility Criteria
You may qualify if:
- age\> 50 years
- clinical definition of COPD according to GOLD guidelines (10) with FEV1 / FVC G 70% and FEV1 \<50% of the above
- PaO2 in air-ambient lower than 60 mmHg evaluated through arterial blood gas analysis
- oxygen therapy prescription for more than 18 hours/ day for at least one month
- clinical stable condition
You may not qualify if:
- presence of pulmonary diseases other than COPD
- respiratory tract infections in the last 4 weeks
- termination
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Istituti Clinici Scientifici Maugeri SpAlead
- Universita di Veronacollaborator
Study Sites (1)
ICS Maugeri IRCCS, Respiratory Rehabilitation of the Institute of Lumezzane
Lumezzane, Brescia, 25065, Italy
Related Publications (28)
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PMID: 38719676RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Mara Paneroni, MSc, PT
Istituti Clinici Scientifici Maugeri
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 28, 2019
First Posted
December 17, 2019
Study Start
August 28, 2019
Primary Completion
June 16, 2023
Study Completion
June 30, 2024
Last Updated
October 31, 2024
Record last verified: 2024-10