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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