- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03824834
Morphine to Maximize the Benefits of Exercise Training in COPD or ILD and Persistent Breathlessness (MorEx)
Morphine: a Novel Intervention to Maximize the Benefits of Exercise Training in Adults With Chronic Lung Disease and Persistent Breathlessness?
Study Overview
Status
Intervention / Treatment
Detailed Description
Supervised exercise training programs (such as pulmonary rehabilitation) are an integral component of the clinical management of COPD or ILD; a proven intervention for improving symptom burden, quality of life, emotional function, exercise capacity, and risk of hospitalization and death. While both low and high intensity exercise training benefits adults with COPD or ILD, evidence supports that higher intensity exercise training produces relatively greater physiological and symptomatic improvements. High intensity exercise of adequate duration is, however, difficult and unpleasant for people with COPD or ILD due to heightened exertional symptoms, particularly breathlessness.These symptoms persist despite the patient's underlying disease being optimally managed according to evidence-based clinical practice guideline standards.
Low-dose immediate-release oral morphine has recently shown promise as a novel adjunct therapy to reduce exertional breathlessness and increase exercise endurance time in people with advanced chronic lung disease (COPD). The purpose of this randomized, double-blind, placebo-controlled, two-arm pilot study is to further explore the role of low-dose immediate-release oral morphine as an adjunct pharmacotherapy to enable symptomatic adults with advanced COPD or ILD to exercise at higher intensities for longer durations and maximize the psycho-physiological benefits of a 5-week supervised exercise training program.
Adults with a clinical diagnosis of COPD or ILD and chronic breathlessness syndrome will be randomized in a 1:1 ratio to exercise training with oral morphine (ExT+MOR) (n=20; 10 COPD and 10 ILD) or exercise training with placebo (diluted simple syrup) (ExT+PLA) (n=20; 10 COPD and 10 ILD). All eligible participants will complete four assessment visits (Visits 1, 2, 3 and 4) and 15 exercise training (T1-15) sessions. Assessment Visits 1 and 3 will include post-bronchodilator (400 mg Salbutamol) pulmonary function testing and a symptom-limited incremental cardiopulmonary exercise test (CPET) to determine peak power output (PPO). Visits 2 and 4 will include a symptom-limited constant-load CPET at 75% of the PPO determined at Visit 1 and a dual energy x-ray absorptiometry (DEXA) scan to assess body composition. Supervised exercise training will be performed three times per week for five weeks on an electronically braked cycle ergometer, supervised by a trained exercise specialist. Exercise sessions will be individualized based on participants' pre-defined PPO (initial intensity of 60% PPO), and progressed to ensure the participant is exercising at an intensity corresponding to a breathlessness intensity rating of between 3-5 Borg 0-10 category ratio scale (CR10) units and can complete at least 20-min of continuous cycling. Exercise duration will be increased in 5-min intervals up to 40-min. Thereafter, exercise intensity will be increased by 5-15% of baseline PPO.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Dennis Jensen, Ph.D
- Phone Number: 0541 514-398-4184
- Email: denis.jensen@mcgill.ca
Study Contact Backup
- Name: Hayley Lewthwaite, Ph.D
- Phone Number: 09081 514-398-4184
- Email: hayley.lewthwaite@mail.mcgill.ca
Study Locations
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Quebec
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Montreal, Quebec, Canada, H4A 3J1
- Recruiting
- Montreal Chest Institute of the McGill University Health Center (MUHC)
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Contact:
- Hayley Lewthwaite, Ph.D
- Phone Number: 09081 514-398-4184
- Email: hayley.lewthwaite@mail.mcgill.ca
-
Contact:
- Dennis Jensen, Ph.D.
- Phone Number: 0541 514-398-4184
- Email: dennis.jensen@mcgill.ca
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Principal Investigator:
- Dennis Jensen, Ph.D.
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Sub-Investigator:
- Hayley Lewthwaite, Ph.D.
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Sub-Investigator:
- Jean Bourbeau, MD, MSc
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Sub-Investigator:
- Benjamin Smith, MD, MSc
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Sub-Investigator:
- Deborah Assayag, MD, MAS
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Sub-Investigator:
- Sebastien Gagnon, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males and females aged 35 years and over
- Clinical diagnosis of COPD or ILD
- Cigarette smoking history ≥20 years (COPD only)
- Post bronchodilator FEV1 <50% predicted and FEV1/FVC <0.70 (COPD only)
- Chronic breathlessness syndrome (modified Medical Research Council dyspnea score ≥3; Baseline Dyspnea Index focal score ≤6; and/or an Oxygen Cost Diagram rating ≤50% full scale despite optimal treatment of the underlying pathophysiology according to evidence-based clinical practice guidelines
- Report breathlessness as the main limiting factor to incremental CPET
- Body mass index >18.5 kg/m2 and <35 kg/m2
Exclusion Criteria:
- Changed respiratory medication dosage and/or frequency of administration in preceding two weeks
- Disease exacerbation/hospitalization in preceding six weeks
- Arterialized capillary CO2 tension (PacCO2) >50 mmHg at rest
- Self-reported history of drug addiction and/or substance abuse assessed with the CAIG-aid and SISAP questionnaires
- Severe excessive daytime sleepiness assessed with the Epworth Sleepiness Scale (score of 16 out of 24)
- Currently use anti-seizure and/or opioid drug(s)
- Use daytime supplemental oxygen
- Exercise-induced oxyhemoglobin desaturation to <80% on room air
- Participated in a pulmonary rehabilitation program in preceding 6 months
- Allergy/sensitivity to opioid drugs
- Significant extra-pulmonary disease that could impair exercise tolerance
- Contraindication(s) to cardiopulmonary exercise testing (e.g., significant cardiovascular, musculoskeletal, neurological disease)
- Pregnant or currently trying to become pregnant: women of child bearing potential (defined as having a menstrual period within the last 12 months) will be required to take a routine (urine) pregnancy test to rule out the possibility of pregnancy
- Self-report any of the following conditions: anemia or abnormally low blood volume; asthma; hypothyroidism; Addison's disease; renal insufficiency; hypopituitarism; severe malnutrition; digestive disease (any form of colitis disease); prostatic hypertrophy or urethral stricture
- Use of the blood thinning (anti-coagulant) drug Coumadin, Pradaxa, Xarelto and Eliquis in previous 2 weeks
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Exercise training with morphine
Immediate-release oral morphine (syrup, 0.1 mg/kg body mass to a maximum dose of 10 mg) with supervised exercise training.
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Immediate-release oral morphine (syrup, 0.1 mg/kg body mass to a maximum dose of 10 mg) prepared in 250 mL of orange juice 30-min prior to each exercise session.
Participants will complete exercise training sessions (three times per week for five weeks) on an electronically braked bike, supervised by a trained exercise specialist.
Exercise sessions will be individualized based on participants' peak power output (60% PPO) determined from incremental exercise testing, and progressed to ensure the participant is exercising at a breathlessness intensity rating of between 3-5 Borg CR10 scale units and can complete at least 20-min of continuous cycling.
Exercise duration will be increased in 5-min intervals up to 40-min.
Thereafter, exercise intensity will be increased by 5-15% of baseline PPO.
|
Placebo Comparator: Exercise training with placebo
Placebo treatment with supervised exercise training.
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Diluted simple syrup prepared in 250 mL of orange juice 30-min prior to each exercise session.
Participants will complete exercise training sessions as per the experimental group.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cardiopulmonary exercise testing (CPET) endurance time
Time Frame: Immediately after exercise training program
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Cardiopulmonary exercise testing (constant-load) will be used to assess change in endurance time pre to post intervention.
Endurance time will be defined as the total duration of loaded pedalling (minutes).
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Immediately after exercise training program
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Borg modified 0-10 category ratio scale (Borg CR10) for breathlessness intensity
Time Frame: Immediately after exercise training program
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Borg modified 0-10 category ratio scale (Borg CR10) will be used to assess breathlessness intensity during constant-load CPET at isotime, defined as the highest equivalent 2-min interval of exercise completed by a given participant during each of the constant-load CPETs.
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Immediately after exercise training program
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Short Form Health Survey (SF-36) for quality of life
Time Frame: Immediately after exercise training program
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Short Form Health Survey (SF-36) will be used to assess change in quality of life pre to post intervention.
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Immediately after exercise training program
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Multidimensional Dyspnoea Profile for 'usual' breathlessness
Time Frame: Immediately after exercise training program
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Multidimensional Dyspnoea Profile will be used to assess change in 'usual' breathlessness pre to post intervention.
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Immediately after exercise training program
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Hospital Anxiety and Depression Scale (HADS) for anxiety and depressive symptoms
Time Frame: Immediately after exercise training program
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Hospital Anxiety and Depression Scale (HADS) will be used to assess change in anxiety and depressive symptoms pre to post intervention.
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Immediately after exercise training program
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DEXA-derived body composition
Time Frame: Immediately after exercise training program
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DEXA will be used to assess change in fat free mass pre to post intervention.
Fat free mass will be expressed as fat free mass index, which is the fat free mass per kg of total body weight per metre squared of standing height.
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Immediately after exercise training program
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CPET physiological response (gas exchange)
Time Frame: Immediately after exercise training program
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Breath-by-breath CPET (incremental) parameters will be averaged in 30-sec intervals at rest and during exercise. The change in peak volume of oxygen consumption pre to post will be reported. CPET parameters will be collected over the first 30-sec period of every second minute during exercise. Three main time points will be used to evaluate exercise test parameters: (1) pre-exercise rest, defined as the steady-state period after at least 3-min of breathing on the mouthpiece while seated at rest before exercise; (2) isotime (as defined above); and (3) peak exercise, defined as the average of the last 30-sec of loaded pedaling. |
Immediately after exercise training program
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CPET physiological response (power output)
Time Frame: Immediately after exercise training program
|
Breath-by-breath CPET (incremental) parameters will be averaged in 30-sec intervals at rest and during exercise. The change in peak power output pre to post will be reported. CPET parameters will be collected over the first 30-sec period of every second minute during exercise. Three main time points will be used to evaluate exercise test parameters: (1) pre-exercise rest, defined as the steady-state period after at least 3-min of breathing on the mouthpiece while seated at rest before exercise; (2) isotime (as defined above); and (3) peak exercise, defined as the average of the last 30-sec of loaded pedaling. |
Immediately after exercise training program
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Minimal clinically important difference breathlessness intensity
Time Frame: Immediately after exercise training program
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The proportion of participants meeting or exceeding the minimal clinically important difference of ≥1 Borg CR10 scale units in breathlessness intensity at isotime
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Immediately after exercise training program
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Minimal clinically important difference exercise endurance
Time Frame: Immediately after exercise training program
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The proportion of participants meeting or exceeding the minimal clinically important difference of ≥101-sec for exercise endurance time at isotime
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Immediately after exercise training program
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Safety measures - Arterialized carbon dioxide
Time Frame: Immediately after each treatment
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Pre to post treatment differences in arterialized carbon dioxide assessed with a blood sample from the warmed earlobe.
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Immediately after each treatment
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Safety measures - Opioid-Related Symptom Distress Scale (ORSDS)
Time Frame: Immediately after each treatment
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Pre to post treatment differences in ORSDS-derived measures of opioid-related side-effects
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Immediately after each treatment
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Safety measures - Adverse events
Time Frame: Immediately after exercise training program
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The number of participants reporting adverse events (serious and non serious).
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Immediately after exercise training program
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Dennis Jensen, Ph.D, McGill University
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Respiratory Tract Diseases
- Respiration Disorders
- Signs and Symptoms, Respiratory
- Lung Diseases
- Lung Diseases, Obstructive
- Pulmonary Disease, Chronic Obstructive
- Lung Diseases, Interstitial
- Dyspnea
- Physiological Effects of Drugs
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Analgesics, Opioid
- Narcotics
- Morphine
Other Study ID Numbers
- MorEX_2019-5261
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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