- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04429516
Morphine Sulfate/Placebo for the Treatment of PulmonAry Fibrosis Cough (PAciFy Cough)
PAciFy Cough: A Multicentre, Double Blind, Placebo Controlled, Crossover Trial of Morphine Sulfate for the Treatment of PulmonAry Fibrosis Cough
Idiopathic pulmonary fibrosis (IPF) is a disease of unknown cause that results in scarring of the lungs.
Cough is reported by 85% of patients with IPF and can be a distressing symptom with significant physical, social and psychological consequences particularly anxiety and depression.
The cause of cough in IPF is poorly understood and there are currently no proven effective therapies. Morphine has long been advocated for the suppression of chronic cough in other conditions. While morphine is frequently used as a palliative agent for breathlessness in IPF, its effects on cough have never been tested. The aim of this study is therefore to explore and compare the effect of low dose morphine, one of the few therapies shown to be effective in some patients with otherwise refractory chronic cough, in patients with IPF, to an inactive substance known as a placebo.
To make a fair comparison, patients will be randomly allocated to receiving either morphine or placebo in a blinded fashion. This means neither the doctor nor the patient will know which drug they are receiving, and the drugs will appear the same. However, the trial is designed so that you will receive both morphine and placebo, but at different times (this is called a cross-over study). More specifically, you will be given either morphine or placebo for 14 days at a time.
In this study, it is hypothesised that compared with placebo, low dose (5mg) controlled release Morphine sulfate (MST) will reduce the number of coughs recorded during a 24hr period in patients with IPF.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Philip Molyneaux, DR
- Phone Number: 0207 351 8121
- Email: P.Molyneaux@rbht.nhs.uk
Study Locations
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London, United Kingdom, SW3 6NP
- Royal Brompton Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Self-reported cough (> 8 weeks), with cough VAS ≥ 30/100
- A diagnosis of IPF within 5 years prior to the screening visit, as per applicable ATS/ERS/JRS/ALAT guidelines, in line with hospital records.
- Age 3.1. Male and female participants aged ≥ 40 - 90 years at the time of signing informed consent
Sex:
4.1 Male participants: A male participant must agree to use contraception as detailed in Appendix 2 of this protocol during the study and for at least 90 days after the follow-up visit, and refrain from donating sperm during this period 4.2 Female participants: A female participant is eligible to participate if she is not pregnant, not breastfeeding, and not a woman of childbearing potential (WOCBP)
- Meeting all of the following criteria during the screening period: FVC ≥ 45% predicted of normal, Forced expiratory volume in 1 second (FEV1)/FVC ≥0.7, DLCO corrected for Hb ≥30% predicted of normal.
- The extent of fibrotic changes is greater than the extent of emphysema on the most recent HRCT scan (investigator determined within 24 months of the study screening visit)
- Written informed consent.
Exclusion criteria:
- Treatment with immunosuppressive therapy or antibiotics within last 4 weeks. A stable dose of corticosteroids equivalent to prednisolone of 10 mg per day or less, if used for an indication other than pulmonary disease will be permitted
- Current smoker
- History of alcohol and drug(s) addiction
- Regular use of sedative therapies
- Acute IPF exacerbation within 6 months prior to screening and/or during the screening period.
- Concurrent use of pirfenidone or Nintedanib, unless receiving a stable dose for at least 8 weeks prior to screening
- Use of ACE inhibitors
- Patients with co-existent conditions know to be associated with the development of fibrotic lung disease. This includes: connective tissue disease, (plural plaques, mesothelioma), granulomatous disease including sarcoidosis. Patient with auto-immune profile considered diagnostic for a specific connective tissue disease will be excluded, even in the absence of systemic symptoms. Non-specific rises in auto antibodies e.g. rheumatoid factors, anti-nuclear antibody etc. will not be used to exclude individuals from the study.
- Significant other organ co-morbidity including hepatic or renal impairment and pulmonary hypertension (investigator determined).
- Significant coronary artery disease (myocardial infarction within 6 months or ongoing unstable angina within 4 weeks of screening visit) or congestive cardiac failure based on clinical examination
- Patients as significant risk of side effects, intolerance or allergy to morphine
- Pregnant and breastfeeding patients, or women or child-bearing potential, not using a reliable contraceptive method (see Appendix 2). A urine pregnancy test will be performed in females of child-bearing potential at the initial study visit.
- Unable to provide informed written consent
- Predicted life expectancy < 6 months
- Use of long-term oxygen therapy. Use of ambulatory oxygen will be permitted.
- Current or use of opiates within 14 days of the screening visit.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
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capsule containing Microcrystalline Cellulose Ph.
Eur, 5 mg twice daily
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Experimental: Morphine Sulfate
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over-encapsulated Morphine Sulfate prolonged release 5mg tablet, twice daily for 14 days.
Patients will then crossover after a 7 day wash out period.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The percent change in daytime cough frequency (coughs per hour)
Time Frame: from baseline as assessed by objective digital cough monitoring at Day 14 of treatment
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from baseline as assessed by objective digital cough monitoring at Day 14 of treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in health-related quality of life scores (Living with Idiopathic Pulmonary Fibrosis Questionnaire)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Living with Idiopathic Pulmonary Fibrosis (L-IPF): Developing a Patient-Reported Symptom and Impact Questionnaire to Assess Health-Related Quality of Life in IPF; on a scale between 0 to 4, where 0 is Not at all and 4 is Extremlly.
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in health-related quality of life scores (HDAS- Hospital Anxiety and Depression Scale)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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HADS - Hospital Anxiety and Depression Scale (Scoring 0-7 = Normal 8-10 = Borderline abnormal (borderline case) 11-21 = Abnormal (case).
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in health-related quality of life scores (K-BILD - King's Brief Interstitial Lung Disease Questionnaire)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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The KBILD is a self-completed health status questionnaire that comprises 15 items and a seven-point Likert response scale.
It has three domains: psychological, breathlessness and activities and chest symptoms.
The KBILD domain and total score ranges are 0-100; 100 represents best health status.
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in self-reported cough (Leicester Cough Questionnaire (LCQ)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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The Leicester Cough Questionnaire comprises of 19 questions, each on a score between 1 to 7, the latter meaning worse outcome.
8 of the questions assess the physical cough domain, 7 items assess the psychological impact of cough, and 4 questions assess the social impact of cough.
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in self-reported cough - Visual analogue scale (VAS)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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VAS - The cough visual analogue scale (VAS) represents a simple instrument, using a 100 mm linear scale where patient can indicate the severity of their cough between the two extremes: zero is no cough while 100 mm is the worst cough imaginable.
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in Dyspnoea (Dyspnoea 12)
Time Frame: At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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D-12 consists of 12 descriptor items on a scale of none (0), mild (1), moderate (2), or severe (3).
It provides an overall score for breathlessness severity that incorporates seven physical items and five affective items
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At Day 0, Day 14, Day 22, Day 36 and Day 50-64
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Change from baseline in global impression of change in quality of life, cough and breathlessness.
Time Frame: At Day 14 and Day 36
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It provides a brief, stand-alone assessment of treatment effect on cough, breathlessness and overall quality of live on a scale of: worse, same and better.
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At Day 14 and Day 36
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Proportion of responders with a minimum of 20% decrease from baseline at the end of treatment in 24-hour average cough count.
Time Frame: Comparison made between pre-treatment and at follow up visit in both the first and then the crossover arms of the study: Day 0, Day 14, Day 22 and Day 36
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Comparison made between pre-treatment and at follow up visit in both the first and then the crossover arms of the study: Day 0, Day 14, Day 22 and Day 36
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Collaborators and Investigators
Publications and helpful links
General Publications
- Hope-Gill BD, Hilldrup S, Davies C, Newton RP, Harrison NK. A study of the cough reflex in idiopathic pulmonary fibrosis. Am J Respir Crit Care Med. 2003 Oct 15;168(8):995-1002. doi: 10.1164/rccm.200304-597OC. Epub 2003 Aug 13.
- van Manen MJ, Birring SS, Vancheri C, Cottin V, Renzoni EA, Russell AM, Wijsenbeek MS. Cough in idiopathic pulmonary fibrosis. Eur Respir Rev. 2016 Sep;25(141):278-86. doi: 10.1183/16000617.0090-2015.
- Morice AH, Menon MS, Mulrennan SA, Everett CF, Wright C, Jackson J, Thompson R. Opiate therapy in chronic cough. Am J Respir Crit Care Med. 2007 Feb 15;175(4):312-5. doi: 10.1164/rccm.200607-892OC. Epub 2006 Nov 22.
- Bajwah S, Davies JM, Tanash H, Currow DC, Oluyase AO, Ekstrom M. Safety of benzodiazepines and opioids in interstitial lung disease: a national prospective study. Eur Respir J. 2018 Dec 6;52(6):1801278. doi: 10.1183/13993003.01278-2018. Print 2018 Dec.
- Wu Z, Banya W, Chaudhuri N, Jakupovic I, Maher TM, Patel B, Spencer LG, Thillai M, West A, Westoby J, Wijsenbeek M, Smith J, Molyneaux PL. PAciFy Cough-a multicentre, double-blind, placebo-controlled, crossover trial of morphine sulphate for the treatment of pulmonary Fibrosis Cough. Trials. 2022 Mar 2;23(1):184. doi: 10.1186/s13063-022-06068-4.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Other Study ID Numbers
- RBH2019/001
- 2019-003571-19 (EudraCT Number)
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
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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