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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00672477
Registration number
NCT00672477
Ethics application status
Date submitted
2/05/2008
Date registered
6/05/2008
Date last updated
8/03/2018
Titles & IDs
Public title
Study Evaluating Subcutaneous Methylnaltrexone For Treatment Of Opioid-Induced Constipation In Patients With Advanced Illness
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Scientific title
A Randomized, Double-Blind, Placebo-Controlled Study Of A Fixed Dose Of Subcutaneous Methylnaltrexone In Adults With Advanced Illness And Opioid-Induced Constipation: Efficacy, Safety, And Additional Health Outcomes
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Secondary ID [1]
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B2541005
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Secondary ID [2]
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3200K1-4000
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Opioid-Induced Constipation
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Condition category
Condition code
Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Mental Health
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Addiction
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental: Methylnaltrexone - Methylnaltrexone subcutaneously every other day for 14 days (ie, 7 doses). Subjects received 0.6 mL (12 mg) every other day if weight = 62kg; or 0.4 mL (8 mg) every other day if weight between 38 and \<62 kg. Subjects with impaired kidney function received reduced doses according to instructions in the Relistor prescribing information.
Placebo comparator: Placebo - Placebo subcutaneously every other day for 14 days (ie, 7 doses). Subjects received 0.6 mL every other day if weight = 62kg; or 0.4 mL every other day if weight between 38 and \< 62 kg. Subjects with impaired kidney function received reduced volumes of placebo solution to match the volumes used in the experimental group.
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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The Proportion of Subjects Who Have a Rescue-free Laxation Response Within 4 Hours After at Least 2 of the First 4 Doses
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Assessment method [1]
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This outcome measures the proportion of subjects who had a rescue-free laxation (ie, bowel movement) within 4 hours after at least 2 of the first 4 doses of study drug. A "rescue free" laxation was defined as a laxation without use of any rescue medication or rescue procedures within 4 hours prior to the laxation.
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Timepoint [1]
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7 days
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Secondary outcome [1]
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Time to First Rescue-free Laxation (Following the First Dose of Study Drug).
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Assessment method [1]
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This outcome measures the time from first dose of study drug to the first rescue-free laxation (ie, bowel movement). A "rescue free" laxation was defined as a laxation without use of any rescue medication or rescue procedures within 4 hours prior to the laxation.
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Timepoint [1]
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14 days
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Eligibility
Key inclusion criteria
* Is an adult 18 years of age or older
* Has a diagnosis of advanced illness (ie, a terminal illness such as incurable cancer or other end-stage disease)
* Has a life expectancy of at least 1 month.
* Is receiving opioids on a regular schedule (not just as-needed or rescue doses) for the control of pain or discomfort for at least 2 weeks before the first dose of study drug.
* Has constipation that is caused by opioid medications.
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Minimum age
18
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Has a known or suspected allergy to methylnaltrexone or other similar compounds (e.g. naltrexone or naloxone).
* Has a known or suspected mechanical gastrointestinal obstruction.
* Has any potential nonopioid cause of bowel dysfunction that might be a major contributor to the constipation.
* Has any other clinically important abnormalities as determined by the investigator that may interfere with his or her participation in or compliance with the study.
* Receiving opioid antagonist or partial antagonist products.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/06/2008
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/02/2013
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Sample size
Target
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Accrual to date
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Final
237
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Recruitment in Australia
Recruitment state(s)
NSW,VIC
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Recruitment hospital [1]
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Salix Investigational Site - Darlinghurst
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Recruitment hospital [2]
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Salix Investigational Site - Coburg
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Recruitment hospital [3]
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Salix Investigational Site - East Melbourne
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Recruitment postcode(s) [1]
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2010 - Darlinghurst
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Recruitment postcode(s) [2]
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3058 - Coburg
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Recruitment postcode(s) [3]
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3002 - East Melbourne
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Recruitment outside Australia
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United States of America
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Alabama
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United States of America
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California
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Colorado
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Florida
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Leuven
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Brazil
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SP
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Villejuif
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Aachen
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Berlin
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Muenchen
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L'Aquila
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Milan
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Barcelona
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L'Hospitalet De Llobregat
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Sevilla
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Kungsbacka
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Norrköping
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Gloucestershire
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Bausch Health Americas, Inc.
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Address
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Progenics Pharmaceuticals, Inc.
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Address [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
This study will evaluate the safety and efficacy of methylnaltrexone administered as subcutaneous injections in subjects who have opioid-induced constipation and an advanced illness. The hypothesis is that methylnaltrexone will be safe and effective in relieving opioid-induced constipation in these subjects.
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Trial website
https://clinicaltrials.gov/study/NCT00672477
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Trial related presentations / publications
Liao SS, Slatkin NE, Stambler N. The Influence of Age on Central Effects of Methylnaltrexone in Patients with Opioid-Induced Constipation. Drugs Aging. 2021 Jun;38(6):503-511. doi: 10.1007/s40266-021-00850-w. Epub 2021 Mar 31. Erratum In: Drugs Aging. 2021 Jun;38(6):543. doi: 10.1007/s40266-021-00860-8. Janku F, Johnson LK, Karp DD, Atkins JT, Singleton PA, Moss J. Treatment with methylnaltrexone is associated with increased survival in patients with advanced cancer. Ann Oncol. 2016 Nov;27(11):2032-2038. doi: 10.1093/annonc/mdw317. Epub 2016 Aug 29. Erratum In: Ann Oncol. 2018 Apr 1;29(4):1076. doi: 10.1093/annonc/mdx776.
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Public notes
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Contacts
Principal investigator
Name
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Enoch Bortey
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Address
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Bausch Health Americas, Inc.
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT00672477
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