NCT01323790

Brief Summary

The purpose of this study is to evaluate the effect and safety of NKTR-118 treatment of opioid-induced constipation in patients with non-cancer-related pain, including those patients that have inadequate response to laxative therapy (LIR).

Trial Health

93
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
700

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Mar 2011

Geographic Reach
8 countries

120 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2011

Completed
23 days until next milestone

First Submitted

Initial submission to the registry

March 24, 2011

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 28, 2011

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2012

Completed
2.8 years until next milestone

Results Posted

Study results publicly available

June 2, 2015

Completed
Last Updated

June 2, 2015

Status Verified

May 1, 2015

Enrollment Period

1.5 years

First QC Date

March 24, 2011

Results QC Date

October 13, 2014

Last Update Submit

June 1, 2015

Conditions

Keywords

Non-Cancer-Related PainOpioid-Induced Constipation

Outcome Measures

Primary Outcomes (1)

  • Response (Responder/Non-responder) to Study Drug During Weeks 1 to 12

    Responder was defined as having at least 3 spontaneous bowel movements (SBMs)/week with at least 1 SBM/week increase over baseline for at least 9 out of the 12 treatment weeks and 3 out of the last 4 treatment weeks during the double-blind treatment period. An SBM is a bowel movement occurring 24 hours or more since the last use of rescue medication.

    Baseline (Week 1) to end of treatment (Week 12)

Secondary Outcomes (10)

  • Response (Responder/Non-responder) to Study Drug in the LIR Subgroup During Weeks 1 to 12

    Baseline (Week 1) to end of treatment (Week 12)

  • Time (in Hours) to First Post-dose Laxation Without the Use of Rescue Laxatives Within the Previous 24 Hours

    12 weeks

  • Change From Baseline in Mean Number of Days Per Week With at Least 1 SBM During Weeks 1 to 12

    12 weeks

  • Change From Baseline in Degree of Straining

    Baseline (Week 1) to end of treatment (Week 12)

  • Change From Baseline in Stool Consistency (Bristol Stool Scale)

    Baseline (Week 1) to end of treatment (Week 12)

  • +5 more secondary outcomes

Study Arms (3)

1

EXPERIMENTAL

Oral treatment

Drug: NKTR-118

2

EXPERIMENTAL

Oral treatment

Drug: NKTR-118

3

PLACEBO COMPARATOR

Oral treatment

Drug: Placebo

Interventions

12.5 mg oral tablet once daily

1

Placebo to NKTR-118

3

Eligibility Criteria

Age18 Years - 84 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Provision of written informed consent prior to any study-specific procedures.
  • Self-reported active symptoms of OIC at screening (\<3 SBMs/week and experiencing ≥1 reported symptom of hard/lumpy stools, straining, or sensation of incomplete evacuation/anorectal obstruction in at least 25% of BMs over the previous 4 weeks); and Documented confirmed OIC (\<3 SBMs/week on average over the 2-week OIC confirmation period.
  • Receiving a stable maintenance opioid regimen consisting of a total daily dose of 30 mg to 1000 mg of oral morphine, or equianalgesic amount(s) of 1 or more other opioid therapies for a minimum of 4 weeks prior to screening for non-cancer-related pain with no anticipated change in opioid dose requirement over the proposed study period as a result of disease progression.
  • Willingness to stop all laxatives and other bowel regimens including prune juice and herbal products throughout the 2-week OIC confirmation period and the 12-week treatment period, and to use only bisacodyl as rescue medication if a BM has not occurred within at least 72 hours of the last recorded BM.

You may not qualify if:

  • Patients receiving Opioid regimen for treatment of pain related to cancer.
  • History of cancer within 5 years from first study visit with the exception of basal cell cancer and squamous cell skin cancer.
  • Medical conditions and treatments associated with diarrhea, intermittent loose stools, or constipation.
  • Other issues to the gastrointestinal tract that could impose a risk to the patient.
  • Pregnancy or lactation.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (120)

Research Site

Mobile, Alabama, United States

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Pell City, Alabama, United States

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Mesa, Arizona, United States

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Phoenix, Arizona, United States

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Sun Lakes, Arizona, United States

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Tucson, Arizona, United States

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Jonesboro, Arkansas, United States

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Little Rock, Arkansas, United States

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North Little Rock, Arkansas, United States

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Sherwood, Arkansas, United States

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Chino, California, United States

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La Jolla, California, United States

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Lincoln, California, United States

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Modesto, California, United States

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Colorado Springs, Colorado, United States

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Stamford, Connecticut, United States

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Bradenton, Florida, United States

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Delray Beach, Florida, United States

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Gainesville, Florida, United States

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Miami, Florida, United States

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Miami Springs, Florida, United States

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Ocala, Florida, United States

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Sanford, Florida, United States

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St. Petersburg, Florida, United States

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Tampa, Florida, United States

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West Palm Beach, Florida, United States

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Conyers, Georgia, United States

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John's Creek, Georgia, United States

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Peoria, Illinois, United States

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Council Bluffs, Iowa, United States

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Wichita, Kansas, United States

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Baton Rouge, Louisiana, United States

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Shreveport, Louisiana, United States

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Baltimore, Maryland, United States

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Chestnut Hill, Massachusetts, United States

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Watertown, Massachusetts, United States

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Livonia, Michigan, United States

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Saint Clair Shores, Michigan, United States

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Florissant, Missouri, United States

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Henderson, Nevada, United States

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Freehold, New Jersey, United States

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Voorhees Township, New Jersey, United States

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Willingboro, New Jersey, United States

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Great Neck, New York, United States

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Hartsdale, New York, United States

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North Massapequa, New York, United States

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Chapel Hill, North Carolina, United States

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Morrisville, North Carolina, United States

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Winston-Salem, North Carolina, United States

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Bellevue, Ohio, United States

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Downingtown, Pennsylvania, United States

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Jenkintown, Pennsylvania, United States

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Philadelphia, Pennsylvania, United States

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Pottstown, Pennsylvania, United States

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Anderson, South Carolina, United States

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Myrtle Beach, South Carolina, United States

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Chattanooga, Tennessee, United States

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Jackson, Tennessee, United States

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Milan, Tennessee, United States

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Austin, Texas, United States

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Houston, Texas, United States

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Hurst, Texas, United States

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Marshall, Texas, United States

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San Antonio, Texas, United States

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Sugarland, Texas, United States

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Clinton, Utah, United States

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St. George, Utah, United States

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West Jordan, Utah, United States

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Edegem, Belgium, Belgium

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Roeselare, Belgium, Belgium

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Antwerp, Belgium

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Leuven, Belgium

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Moerkerke, Belgium

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Mouscron, Belgium

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Bjelovar, Croatia

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Osijek, Croatia

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Susak, Croatia

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Zagreb, Croatia

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Choceň, Czechia

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Pardubice, Czechia

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Prague, Czechia

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Zlín, Czechia

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Baja, Hungary

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Budapest, Hungary

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Kecskemét, Hungary

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Miskolc, Hungary

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Pusztaszer, Hungary

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Sátoraljaújhely, Hungary

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Szeged, Hungary

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Szikszó, Hungary

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Úrhida, Hungary

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Zalaegerszeg, Hungary

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Málaga, Andalusia, Spain

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Barcelona, Catalonia, Spain

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Centelles (barcelona), Catalonia, Spain

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L'Hospitalet de Llobregat, Catalu?a, Spain

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Vic, Catalu?a, Spain

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Fuenlabrada, Madrid, Spain

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Almería, Spain

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Lleida, Spain

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Madrid, Spain

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Santiago de Compostela, Spain

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Valencia, Spain

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Valladolid, Spain

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Gothenburg, Sweden

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Lund, Sweden

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Stockholm, Sweden

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Vällingby, Sweden

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Ayrshire, AYR, United Kingdom

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Chesterfield, Derby, United Kingdom

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Derby, Derby, United Kingdom

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Plymouth, Devon, United Kingdom

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London, Gt Lon, United Kingdom

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Royton, Lancashire, United Kingdom

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Thornton-Cleveleys, Lancashire, United Kingdom

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Norwich, Norflk, United Kingdom

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Barry, S Glam, United Kingdom

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Bath, Somer, United Kingdom

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Glasgow, Strath, United Kingdom

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Coventry, Warwks, United Kingdom

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Related Publications (3)

  • Lawson R, King F, Marsh K, Altincatal A, Cimen A. Impact of Treatment with Naloxegol for Opioid-Induced Constipation on Patients' Health State Utility. Adv Ther. 2016 Aug;33(8):1331-46. doi: 10.1007/s12325-016-0365-y. Epub 2016 Jun 24.

  • Tack J, Lappalainen J, Diva U, Tummala R, Sostek M. Efficacy and safety of naloxegol in patients with opioid-induced constipation and laxative-inadequate response. United European Gastroenterol J. 2015 Oct;3(5):471-80. doi: 10.1177/2050640615604543.

  • Chey WD, Webster L, Sostek M, Lappalainen J, Barker PN, Tack J. Naloxegol for opioid-induced constipation in patients with noncancer pain. N Engl J Med. 2014 Jun 19;370(25):2387-96. doi: 10.1056/NEJMoa1310246. Epub 2014 Jun 4.

Related Links

MeSH Terms

Conditions

Opioid-Induced Constipation

Interventions

naloxegol

Condition Hierarchy (Ancestors)

ConstipationSigns and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsNarcotic-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Results Point of Contact

Title
Mark Sostek
Organization
AstraZeneca

Study Officials

  • Mark Sostek

    AstraZeneca

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
GT60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 24, 2011

First Posted

March 28, 2011

Study Start

March 1, 2011

Primary Completion

September 1, 2012

Study Completion

September 1, 2012

Last Updated

June 2, 2015

Results First Posted

June 2, 2015

Record last verified: 2015-05

Locations