Status:
COMPLETED
Evaluation of the Efficacy and Safety of ADL5945 for the Treatment of Opioid-induced Constipation in Adults Taking Opioid Therapy for Chronic Noncancer Pain
Lead Sponsor:
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Conditions:
Opioid Induced Constipation
Eligibility:
All Genders
18-75 years
Phase:
PHASE2
Brief Summary
Morphine and related opioid analgesics are known to slow gastrointestinal (GI) motility and reduce intestinal secretion through their binding to μ opioid receptors (MORs) within the GI tract. The most...
Eligibility Criteria
Inclusion
- Key Inclusion Criteria
- be a man or woman aged 18 to 75 years, inclusive, at the time of screening
- have a body weight ≥45 kilograms (kg) and a body mass index (BMI) ≤40 kilograms per square meter (kg/m\^2)
- be taking a stable daily dose of opioids of ≥30-milligrams (mg) morphine-equivalent total -daily dose for chronic noncancer pain for ≥30 days before screening
- have opioid-induced constipation (OIC) by history. Additionally, based on the data collected during the 1-week screening period, participants must have \<3 spontaneous bowel movements (SBMs) per week and have experienced ≥1 other bowel movement (BM) symptom (that is, straining to pass a stool, lumpy hard stools or small pellets, or sense of incomplete evacuation after passing a stool) for ≥25% of the total BMs
- be willing to discontinue use of all laxatives and stool softeners during the study period except as allowed by the protocol
- Key Exclusion Criteria
- be pregnant, lactating, or planning to become pregnant during the study
- have aspartate aminotransferase (AST), alanine aminotransferase (ALT), blood urea nitrogen, or serum creatinine results ≥ 2 times the upper limit of normal
- have a recent history of myocardial infarction (MI) or unstable angina
- have an active malignancy of any type
- be taking opioids primarily for fibromyalgia
- be taking methadone as a maintenance medication (participants taking methadone for pain may be enrolled)
- be taking intrathecal opioids for the management of pain
- be taking tramadol, tapentadol, or any mixed agonist/antagonist opioid analgesics as the sole opioid for analgesia
- be taking any μ-opioid receptors (MOR) antagonist, including opioids in combination with naloxone, naltrexone, or methylnaltrexone bromide
- be taking medical marijuana for pain
- have gastrointestinal (GI) or pelvic disorders known to affect bowel transit, produce GI obstruction, or contribute to bowel dysfunction
- have taken antispasmodics, antidiarrheals, or prokinetics within 7 days before the start of the screening week
- be taking nonopioid medications known to cause constipation
- be taking antidiarrheals and have an incidence or a history of intermittent diarrhea or loose stools
- be unwilling to abstain from grapefruit and grapefruit-containing products
- have a history of alcoholism or illicit drug dependence or abuse within 5 years before screening
- have positive results on a urine drug screen (excluding opioids) that indicate illicit drug use
Exclusion
Key Trial Info
Start Date :
October 14 2010
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 28 2011
Estimated Enrollment :
131 Patients enrolled
Trial Details
Trial ID
NCT01207427
Start Date
October 14 2010
End Date
June 28 2011
Last Update
September 25 2018
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