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Completed Phase 3 Interventional Results available

Linaclotide Safety and Efficacy in Pediatric Participants, 6 to 17 Years of Age, With Irritable Bowel Syndrome With Constipation (IBS-C) or Functional Constipation (FC)

ClinicalTrials.gov ID: NCT04026113

Public ClinicalTrials.gov record NCT04026113. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:26 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Multicenter, Randomized, Double-blind, Parallel-group, Safety and Efficacy Study of Linaclotide in Pediatric Participants, Ages 6 to 17 Years, With Irritable Bowel Syndrome With Constipation (IBS-C) and of Linaclotide Versus Placebo in Pediatric Participants With Functional Constipation (FC)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The objective of LIN-MD-64 is to evaluate the safety and efficacy of 12 weeks of linaclotide therapy (72 μg daily) in comparison with placebo in pediatric participants, 6 to 17 years of age, who fulfill modified Rome III Criteria for child/adolescent FC. The objective of LIN-MD-64 is to evaluate the safety and efficacy of 12 weeks of linaclotide therapy (145 μg or 290 μg daily) in pediatric participants 7 to 17 years of age, who fulfill the Rome III criteria for child/adolescent IBS and modified Rome III criteria for child/adolescent FC.

Study identification

NCT ID
NCT04026113
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AbbVie
Industry
Enrollment
438 participants

Conditions and interventions

Eligibility (public fields only)

Age range
6 Years to 17 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 1, 2019 (Actual)
Primary completion
May 20, 2024 (Actual)
Completion
May 29, 2024 (Actual)
Last update posted
Nov 26, 2024

2019 – 2024

United States locations

U.S. sites
79
U.S. states
28
U.S. cities
65
Facility City State ZIP Site status
Central Research Associates /ID# 233124 Birmingham Alabama 35205 —
G & L Research, LLC /ID# 233139 Foley Alabama 36535 —
The Center for Clinical Trials Inc. /ID# 232755 Saraland Alabama 36571 —
HealthStar Research of Hot Springs PLLC /ID# 232757 Hot Springs Arkansas 71913 —
Preferred Research Partners /ID# 233023 Little Rock Arkansas 72211 —
Applied Research Center of Arkansas /ID# 233135 Little Rock Arkansas 72212-4187 —
Advanced Research Center /ID# 233121 Anaheim California 92805 —
Alliance Research Institute /ID# 232754 Bell Gardens California 90201 —
Alliance Research Institute Llc /Id# 232637 Canoga Park California 91304 —
Kindred Medical Institute, LLC /ID# 233042 Corona California 92879 —
Center for Clinical Trials LLC /ID# 232781 Paramount California 90723 —
Medical Ctr for Clin Research /ID# 233004 San Diego California 92108 —
Paragon Rx Clinical Inc /ID# 232752 Santa Ana California 92703 —
Lynn Institute of Denver /ID# 233137 Aurora Colorado 80012 —
Children's National Medical Center /ID# 232655 Washington D.C. District of Columbia 20010-2916 —
Prohealth Research Center /ID# 232805 Doral Florida 33166 —
Dolphin Medical Research /ID# 232815 Doral Florida 33172 —
Amedica Research Institute Inc /ID# 232809 Hialeah Florida 33013 —
Nemours Children's Health System /ID# 233127 Jacksonville Florida 32207 —
Elite Clinical Research /ID# 232801 Miami Florida 33144 —
My Preferred Research LLC /ID# 233119 Miami Florida 33155 —
South Miami Medical & Research Group Inc. /ID# 232803 Miami Florida 33155 —
Valencia Medical & Research Center /ID# 232813 Miami Florida 33165 —
Advanced Research for Health Improvement /ID# 233161 Naples Florida 34102-5430 —
Pediatric & Adult Research Center /ID# 232819 Orlando Florida 32825 —
Nemours Children's Hospital /ID# 232919 Orlando Florida 32827-7884 —
Oviedo Medical Research /ID# 232830 Oviedo Florida 32765 —
Treken Primary Care /ID# 232796 Atlanta Georgia 30315 —
Children's Healthcare of Atlanta - Ferry Rd /ID# 233015 Atlanta Georgia 30342-1605 —
Children's Ctr Digestive, US /ID# 233070 Atlanta Georgia 30342 —
River Birch Research Alliance /ID# 233122 Blue Ridge Georgia 30513 —
Clinical Research Institute /ID# 232833 Stockbridge Georgia 30281 —
Sleep Care Research Institute d/b/a Clinical Research Institute /ID# 232940 Stockbridge Georgia 30281 —
Clinical Trials Specialist Inc /ID# 232802 Stone Mountain Georgia 30083 —
Rophe Adult and Pediatric Medicine/SKYCRNG /ID# 232800 Union City Georgia 30291 —
Univ Kansas Med Ctr /ID# 232645 Kansas City Kansas 66160 —
Alliance for Multispecialty Research LLC /ID# 232681 Newton Kansas 67114 —
Michael W. Simon, MD, PSC /ID# 232966 Lexington Kentucky 40517 —
Meridian Research - Baton Rouge /ID# 232954 Baton Rouge Louisiana 70806-7631 —
Virgo Carter Pediatrics /ID# 232693 Silver Spring Maryland 20910 —
MNGI Digestive Health, P. A. /ID# 232920 Minneapolis Minnesota 55413-2195 —
GI associates and Endoscopy Ce /ID# 233123 Flowood Mississippi 39232 —
David M. Headley, MD, P.A. /ID# 233153 Port Gibson Mississippi 39150-2024 —
Private Practice - Dr. Craig Spiegel /ID# 232707 Bridgeton Missouri 63044 —
Medclinical Research Partners LLC/ Foundation Pediatrics /ID# 232783 East Orange New Jersey 07018 —
University of New Mexico /ID# 233011 Albuquerque New Mexico 87102-4517 —
Columbia Univ Medical Center /ID# 233094 New York New York 10032-3725 —
The Children's Hospital at Montefiore /ID# 232638 The Bronx New York 10467 —
Advantage Clinical Trials /ID# 233117 The Bronx New York 10468 —
East Carolina University - Brody School of Medicine /ID# 233062 Greenville North Carolina 27834 —
PMG Research of Piedmont Healthcare-Statesville /ID# 233162 Statesville North Carolina 28625 —
Univ Oklahoma HSC /ID# 233067 Oklahoma City Oklahoma 73104 —
IPS Research Company /ID# 233081 Oklahoma City Oklahoma 73106 —
Frontier Clinical Research, LLC - Scottdale /ID# 233129 Scottdale Pennsylvania 15683 —
Frontier Clinical Research /ID# 233116 Smithfield Pennsylvania 15478 —
Rhode Island Hospital /ID# 233112 Providence Rhode Island 02903 —
Coastal Pediatric Research - West Ashley B /ID# 232816 Charleston South Carolina 29414 —
Coastal Pediatric Research - Summerville /ID# 232814 Summerville South Carolina 29486 —
The Jackson Clinic, PA /ID# 232998 Jackson Tennessee 38305 —
Accellacare of Knoxville /ID# 232663 Jefferson City Tennessee 37760 —
Monroe-Carell Jr. Children's Hospital at Vanderbilt /ID# 232659 Nashville Tennessee 37232 —
Oak Cliff Research Company LLC /ID# 232729 Dallas Texas 75243 —
Cook Children's Med. Center /ID# 233066 Fort Worth Texas 76104 —
Valley Institute of Research /ID# 232674 Harlingen Texas 78550 —
Vilo Research Group Inc /ID# 233155 Houston Texas 77017-2337 —
Cullen Research /ID# 232726 Houston Texas 77051 —
Synergy Group US LLC /ID# 232669 Houston Texas 77061 —
Pioneer Research Solutions - Houston /ID# 233006 Houston Texas 77099-4307 —
Synergy Group US LLC /ID# 232670 Missouri City Texas 77459 —
AIM Trials /ID# 232934 Plano Texas 75093 —
Sun Research Institute /ID# 233005 San Antonio Texas 78215 —
ClinPoint Trials /ID# 232978 Waxahachie Texas 75165-1430 —
Chrysalis Clinical Research /ID# 232690 St. George Utah 84790 —
Office of Maria Ona /ID# 232700 Franklin Virginia 23851 —
Health Research of Hampton Roads, Inc. (HRHR) /ID# 233056 Newport News Virginia 23606 —
Clinical Research Partners, LLC /ID# 233026 Richmond Virginia 23220-4459 —
Carilion Medical Center /ID# 232999 Roanoke Virginia 24014 —
Duplicate_Multicare Institute for Research and Innovation /ID# 233010 Tacoma Washington 98405 —
Marshall University Medical Center /ID# 232952 Huntington West Virginia 25701-3656 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 36 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04026113, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 26, 2024 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04026113 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →