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Study of Methylnaltrexone (MNTX) for the Relief of Constipation

A Double-Blind, Phase 3, Two-Week, Placebo Controlled Study of Methylnaltrexone(MNTX) for the Relief of Constipation Due to Opioid Therapy in Advance Medical Illness.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00402038
Enrollment
134
Registered
2006-11-22
Start date
2004-02-29
Completion date
2005-10-31
Last updated
2019-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advance Illness Patients With OIC

Brief summary

To determine the efficacy of subcutaneous MNTX to relieve opioid-induced constipation in patients with advanced medical illness.

Detailed description

This is a multi-center, double-blind, randomized parallel group study conducted in patients with advanced medical illness and opioid-induced constipation. Eligible patients are randomly assigned to receive SC doses of either MNTX, dose 1 or placebo every other day for 2 weeks. At Day 8, eligible patients, if allowed, could be escalated to a a higher dose of MNTX.

Interventions

Sponsors

Wyeth is now a wholly owned subsidiary of Pfizer
CollaboratorINDUSTRY
Bausch Health Americas, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 18 years of age and older * Negative pregnancy test (serum or urine) at screening for all women of childbearing potential * Advanced Medical Illness (i.e., terminal illness, such as incurable cancer or end of stage AIDS) with life expectancy of ≥ 1 month * patient must sign ICF

Exclusion criteria

* Women who are pregnant and/or nursing * Previous treatment with MNTX * Participation in any other studies involving investigational products within 30 days prior to screening

Design outcomes

Primary

MeasureTime frameDescription
Laxation within four hours of a single dose of SC MNTX and efficacy of SC MNTX every other day over a 1 week period.2 weeksTo determine the efficacy of a single dose of SC MNTX compared with placebo in inducing laxation within 4 hours. To determine the efficacy of SC MNTX every other day over a 1-week treatment period in relieving OIC in patients with AMI.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 5, 2026