A Phase 3, International, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Efficacy and Safety Trial of Linaclotide Administered Orally for 12 Weeks to Patients With Irritable Bowel Syndrome With Constipation (IBS-C)

NCT ID: NCT01880424

Last Updated: 2016-09-27

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

PHASE3

Total Enrollment

1722 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2015-05-31

Brief Summary

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This clinical trial is an international, multicenter, randomized, double-blind, placebo-controlled, parallel-group trial comparing one dose of linaclotide to placebo. Approximately 800 patients with a diagnosis of IBS-C (modified Rome III criteria) will be randomized at up to 60 trial centers in China, Australia, and New Zealand.

The trial will consist of up to 21 days of screening, 14 to 21 days of pre-treatment, 12 weeks of double-blind treatment, and 2 weeks of follow-up. At the end of the Pre-treatment Period, patients meeting the entry criteria for this trial will be randomized to one of two double-blind treatment groups: 290 ug linaclotide, or placebo (1:1).

Detailed Description

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Conditions

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Irritable Bowel Syndrome With Constipation (IBS-C)

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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controlled arm

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

matching Placebo Capsules, Oral, once daily

treatment arm

Group Type EXPERIMENTAL

Linaclotide

Intervention Type DRUG

Linaclotide 290 ug Capsules, Oral, once daily

Interventions

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Placebo

matching Placebo Capsules, Oral, once daily

Intervention Type DRUG

Linaclotide

Linaclotide 290 ug Capsules, Oral, once daily

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Patient has signed an Informed Consent Form(ICF).
2. Patient Must not be pregnant or breastfeeding and agree to use birth control
3. Patient meets the colonoscopy requirements defined by the American Gastroenterological Association guidelines and no clinically-significant laboratory or physical examination findings;
4. Patient meets protocol-defined criteria for Irritable Bowel Syndrome with Constipation(IBS-C), including stool frequency, straining, stool consistency, abdominal pain, and abdominal discomfort criteria
5. Patient meets protocol-defined eDiary completion Compliance and agrees to refrain from making any new, major life-style changes that may affect IBS-C symptoms

Exclusion Criteria

1. Recent history of mushy or watery stools
2. Various medical conditions, medical histories, or family medical histories that would not make the patient a good candidate for the study
3. Patient currently has both unexplained and clinically significant alarm symptoms or systemic signs of infection or colitis.
4. Surgery to the gastrointestinal tract
5. Usage of prohibited medications
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ironwood Pharmaceuticals, Inc.

INDUSTRY

Sponsor Role collaborator

AstraZeneca

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Yunsheng Yang

Role: PRINCIPAL_INVESTIGATOR

Chinese PLA General Hospital

Shutian Zhang

Role: PRINCIPAL_INVESTIGATOR

Beijing Friendship Hospital

Zhaoshen Li

Role: PRINCIPAL_INVESTIGATOR

Changhai Hospital Affiliated to Second Military Mecical University of Chinese PLA

Weifen Xie

Role: PRINCIPAL_INVESTIGATOR

Changzheng Hospital Affiliated to Second Military Mecical University of Chinese PLA

Yaozong Yuan

Role: PRINCIPAL_INVESTIGATOR

Ruijin Hospital Affiliated to Medical College of Shanghai Jiaotong University

Youqing Xu

Role: PRINCIPAL_INVESTIGATOR

Beijing Tiantan Hospital

Dongfeng Chen

Role: PRINCIPAL_INVESTIGATOR

The Third Affiliated Hospital of Third Military Mecical University of Chinese PLA

Minhu Chen

Role: PRINCIPAL_INVESTIGATOR

The First Affiliated Hospital, Zhongshan (Sun Yat-sen) University

Yanqing Li

Role: PRINCIPAL_INVESTIGATOR

Qilu Hospital of Shandong University

Xiaozhong Guo

Role: PRINCIPAL_INVESTIGATOR

General Hospital of Shenyang Military Region of Chinese PLA

Youlin Yang

Role: PRINCIPAL_INVESTIGATOR

First Affiliated Hospital of Harbin Medical University

Rongquan Wang

Role: PRINCIPAL_INVESTIGATOR

The First Affiliated Hospital of Third Military Mecical University of Chinese PLA

Xiaohua Hou

Role: PRINCIPAL_INVESTIGATOR

Union Hospital of Tongji Medical College of Huazhong University of Science & Technology

Liangping Li

Role: PRINCIPAL_INVESTIGATOR

Sichuang Provincial People's Hospital

Chengwei Tang

Role: PRINCIPAL_INVESTIGATOR

West China Hospital

Jianlin Ren

Role: PRINCIPAL_INVESTIGATOR

Zhongshan Hospital Affiliated to Xiamen University

Xizhong Shen

Role: PRINCIPAL_INVESTIGATOR

Shanghai Zhongshan Hospital

Yulan Liu

Role: PRINCIPAL_INVESTIGATOR

Peking University People's Hospital

Dongmei Qian

Role: PRINCIPAL_INVESTIGATOR

Beijing Tongren Hospital Affiliated to Capital Medical University

Huahong Wang

Role: PRINCIPAL_INVESTIGATOR

Peking University First Hospital

Locations

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Huntsville, Alabama, United States

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North Little Rock, Arkansas, United States

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Phoenix, Arkansas, United States

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Artesia, California, United States

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Chula Vista, California, United States

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Encino, California, United States

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North Hollywood, California, United States

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Orange, California, United States

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Riverside, California, United States

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San Diego, California, United States

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Boynton Beach, Florida, United States

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Brandon, Florida, United States

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Brooksville, Florida, United States

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Doral, Florida, United States

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Gainesville, Florida, United States

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Hialeah, Florida, United States

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Kissimmee, Florida, United States

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Lauderdale Lakes, Florida, United States

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Miami, Florida, United States

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Miami Lakes, Florida, United States

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Addison, Illinois, United States

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Evansville, Indiana, United States

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Crowley, Louisiana, United States

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Monroe, Louisiana, United States

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Shreveport, Louisiana, United States

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Boston, Massachusetts, United States

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Chesterfield, Michigan, United States

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Wyoming, Michigan, United States

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St Louis, Missouri, United States

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Billings, Montana, United States

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Las Vegas, Nevada, United States

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Brooklyn, New York, United States

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Great Neck, New York, United States

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New York, New York, United States

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Raleigh, North Carolina, United States

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Salisbury, North Carolina, United States

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Winston-Salem, North Carolina, United States

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Cincinnati, Ohio, United States

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Dayton, Ohio, United States

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Franklin, Ohio, United States

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Mentor, Ohio, United States

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Greer, South Carolina, United States

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Chattanooga, Tennessee, United States

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Kingsport, Tennessee, United States

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Knoxville, Tennessee, United States

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Smyrna, Tennessee, United States

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Houston, Texas, United States

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San Antonio, Texas, United States

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Webster, Texas, United States

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Ogden, Utah, United States

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Lynchburg, Virginia, United States

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Morgantown, West Virginia, United States

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Adelaide, , Australia

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Brisbane, , Australia

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Five Dock, , Australia

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Malvern, , Australia

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Maroubra, , Australia

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Melbourne, , Australia

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Parkville, , Australia

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Vaughan, Ontario, Canada

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Beijing, , China

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Changsha, , China

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Chengdu, , China

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Chongqing, , China

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Guangzhou, , China

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Hangzhou, , China

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Harerbin, , China

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Hefei, , China

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Jinan, , China

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Nanchang, , China

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Qingdao, , China

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Shanghai, , China

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Shenyang, , China

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Shijiazhuang, , China

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Wuhan, , China

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Xi'an, , China

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Xiamen, , China

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Auckland, , New Zealand

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Christchurch, , New Zealand

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Dunedin, , New Zealand

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Tauranga, , New Zealand

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Wellington, , New Zealand

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Countries

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United States Australia Canada China New Zealand

References

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Peng LH, Fang JY, Dai N, Shen XZ, Yang YL, Sun J, Yang YS. Efficacy and safety of linaclotide in patients with irritable bowel syndrome with constipation: Chinese sub-cohort analysis of a phase III, randomized, double-blind, placebo-controlled trial. J Dig Dis. 2022 Feb;23(2):99-110. doi: 10.1111/1751-2980.13081.

Reference Type DERIVED
PMID: 35019221 (View on PubMed)

Other Identifiers

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ICP-103-307

Identifier Type: -

Identifier Source: org_study_id

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