A Phase 2, Double-Blind, Multiple-Dose Escalation Study to Evaluate NKTR-118 (Oral PEG-Naloxol) in Patients With Opioid-Induced Constipation (OIC)

NCT ID: NCT00600119

Last Updated: 2015-06-12

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

207 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-12-31

Study Completion Date

2009-04-30

Brief Summary

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Study (07-IN-NX003) is a Phase 2, multi-center, placebo-controlled, double-blind, randomized, dose-escalation trial. It is designed to investigate the safety, efficacy and tolerability of NKTR-118 (PEG-naloxol) in patients with opioid-induced constipation (OIC) and other clinical manifestations of opioid-induced bowel dysfunction (OBD). The objective of this study is to evaluate the safety, effectiveness and pharmacokinetics of NKTR-118 at 4 different doses.

Detailed Description

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Conditions

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Opioid Induced Constipation (OIC)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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A

Placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

placebo, oral, once daily (QD)

B

NKTR-118

Group Type EXPERIMENTAL

NKTR-118

Intervention Type DRUG

5 mg, 25 mg, 50 mg or 100 mg, oral,once daily (QD)

Interventions

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placebo

placebo, oral, once daily (QD)

Intervention Type DRUG

NKTR-118

5 mg, 25 mg, 50 mg or 100 mg, oral,once daily (QD)

Intervention Type DRUG

Eligibility Criteria

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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.

Exclusion Criteria

* Life expectancy less than 6 months
* Active substance abuse
* Fecal incontinence, irritable bowel syndrome, inflammatory bowel disease, or other active medical disorders 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
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Nektar Therapeutics

INDUSTRY

Sponsor Role collaborator

AstraZeneca

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Mark Sostek

Role: STUDY_DIRECTOR

AstraZeneca Pharmaceuticals, Wilm DE

Locations

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Tennessee Valley Pain Consultants / Center for Pain Management

Huntsville, Alabama, United States

Site Status

Deerfoot Internal Medicine

Pinson, Alabama, United States

Site Status

Genova Clinical Research, Inc.

Tucson, Arizona, United States

Site Status

Therapeutic Research Institute of Orange County

Laguna Hills, California, United States

Site Status

San Diego Managed Care Group

San Diego, California, United States

Site Status

Arapahoe Gastroenterology, PC

Littleton, Colorado, United States

Site Status

Southeast Clinical Research

Chiefland, Florida, United States

Site Status

Osler Medical, Inc. / Osler Clinical Research

Melbourne, Florida, United States

Site Status

Palm Beach Research Center

West Palm Beach, Florida, United States

Site Status

Gold Coast Research LLC

Weston, Florida, United States

Site Status

PMI Health Research Group

Atlanta, Georgia, United States

Site Status

Northwest Clinical Trials

Boise, Idaho, United States

Site Status

Millennium Pain Center

Bloomington, Illinois, United States

Site Status

Pain & Rehabilitation Clinic of Chicago

Chicago, Illinois, United States

Site Status

Investigative Clinical Research of Indiana, LLC

Indianapolis, Indiana, United States

Site Status

Pain Treatment Center of the Bluegrass

Lexington, Kentucky, United States

Site Status

Gulf Coast Reserach

Baton Rouge, Louisiana, United States

Site Status

Centennial Medical Group

Elkridge, Maryland, United States

Site Status

MAPS Applied Research Center

Edina, Minnesota, United States

Site Status

Midwest Pharmaceutical Research, Inc.

City of Saint Peters, Missouri, United States

Site Status

Lovelace Scientific Resources, Inc.

Albuquerque, New Mexico, United States

Site Status

Long Island Gastrointestinal Research Group

Great Neck, New York, United States

Site Status

Four Seasons Hospice and Palliative Care

Flat Rock, North Carolina, United States

Site Status

The Center for Clinical Research, LLC

Winston-Salem, North Carolina, United States

Site Status

Gabrail Cancer Center

Canton, Ohio, United States

Site Status

Riverhills Healthcare Research Division

Cincinnati, Ohio, United States

Site Status

Options Health Research

Tulsa, Oklahoma, United States

Site Status

Medford Medical Clinic

Medford, Oregon, United States

Site Status

Anderson Gastroenterology Associates, LLC

Anderson, South Carolina, United States

Site Status

Singleton Health Center

Orangeburg, South Carolina, United States

Site Status

ClinSearch, LLC

Chattanooga, Tennessee, United States

Site Status

Lifetree Clinical Research

Salt Lake City, Utah, United States

Site Status

Spokane Internal Medicine

Spokane, Washington, United States

Site Status

Countries

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United States

Related Links

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Other Identifiers

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07-IN-NX003

Identifier Type: -

Identifier Source: org_study_id

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