Status:
WITHDRAWN
Can Methylnaltrexone Safely Treat Opioid Related Constipation in the Emergency Department?
Lead Sponsor:
Beth Israel Medical Center
Collaborating Sponsors:
Wyeth is now a wholly owned subsidiary of Pfizer
Conditions:
Colonic Inertia
Eligibility:
All Genders
18-100 years
Phase:
PHASE4
Brief Summary
The investigators want to prove that people WITHOUT advanced cancer who are taking opioid medications (for problems like back pain) can receive methylnaltrexone (MNTX) safely. Since the FDA has only a...
Eligibility Criteria
Inclusion
- Inclusion Criteria
- Age 18 and greater
- Clinical diagnosis of constipation
- Any patients that report taking an opioid analgesic for greater than two (2) weeks (eg known oncology patients and chronic pain syndrome patients, including those with low back pain or sciatica)
- Patients must have previously tried a stable laxative regiment for at least three (3) days prior to study entry.
- All patients will have a flat and upright abdominal x-ray, and chest x-ray to exclude gastrointestinal (GI) obstruction. Any patients who have radiographic evidence of GI obstruction will need a CT scan of the abdomen to exclude GI obstruction prior to study enrollment.
- Females of childbearing potential must have a negative pregnancy test and must be encouraged to use appropriate birth control for a period after the study.
- Willing to comply with study instructions and sign an informed consent
- Exclusion Criteria:
- Pregnancy or lactation
- Recent surgery within six (6) weeks of the emergency department visit
- Opioid withdrawal syndrome as determined by clinical judgment.
- Patients with previous history of diabetic gastroparesis.
- Any patient who has known or suspected gastrointestinal obstruction
- Any patients with creatinine clearance ≤ 30 mL/min
- Constipation for which other medical causes cannot be excluded such as anticholinergic medications, botulinum toxin, or botulism.
- Any patient with SBP ≤ 80 mmHg or DBP ≤ 45 mmHg or unstable vital signs.
- Inability to understand or follow the instructions associated with the clinical study as determined by clinical judgment.
- A known history of substance abuse on methadone maintenance therapy \> 12 months
- Allergy or contraindication to use of methylnaltrexone
- Prior enrollment in study
Exclusion
Key Trial Info
Start Date :
September 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
December 1 2011
Estimated Enrollment :
Patients enrolled
Trial Details
Trial ID
NCT00949377
Start Date
September 1 2009
End Date
December 1 2011
Last Update
October 14 2015
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