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Therapeutic Areas: Oncology
Disease Category: Cancer Pain

Trial Information

A dose escalation study of NKTR-118 in patients with opioid-induced constipation (OIC).

A Phase 2 study designed to evaluate the safety and efficacy of NKTR-118 (PEG-naloxol) in patients with opioid-induced constipation. The objectives of this study are to evaluate the safety, effectiveness and pharmacokinetics of NKTR-118 at 4 different doses. The study is a multi-center, placebo-controlled, double-blind, randomized, dose-escalation trial. The study plans to enroll 224 patients at about 50 sites in the US, Canada and the EU.

Key Inclusion Criteria:

  • 18 years of age or older, male or female
  • Receiving a stable opioid regimen
  • Documented opioid-induced constipation
  • Willingness to stop all laxatives and other bowel regimens. The use of constipation rescue medication will be allowed during the study.

Key Exclusion Criteria:

  • Life expectancy <6 months
  • Active substance abuse
  • Fecal incontinence, irritable bowel syndrome, inflammatory bowel disease, or other active medical disorder associated with diarrhea or intermittent loose stools or constipation
  • Pregnant or breast-feeding
  • Any receipt of an investigational medication within 30 days of screening
  • History or presence of specific cardiac, neurologic, endocrine and/or psychiatric conditions

Carol Weston, Study Coordinator
Tennessee Valley Pain Consultants
927 Franklin St., 2nd Flr.
Huntsville AL 35801
Phone: 256-265-7248 x57248
Fax: 256-265-7017
EMail: carol007@hhsys.org

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