NCT03342287

Brief Summary

Irritable Bowel syndrome - constipation predominant (IBS-C) is a chronic and disabling,disorder of the gut that is characterized by abdominal pain or discomfort. Approximately 50% of patients with IBS-C will also meet criteria for anxiety or depression. Anti depressant medication is widely used in the treatment of IBS. Linaclotide is a novel medication for IBS that is also effective at relieving pain associated with IBS, which may be in part to signalling between the gut and the brain. However, the impact of Linaclotide on the psychiatric symptoms of anxiety and depression on IBS has not been investigated.

Trial Health

30
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Mar 2016

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
withdrawn

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

First Submitted

Initial submission to the registry

March 1, 2016

Completed
Same day until next milestone

Study Start

First participant enrolled

March 1, 2016

Completed
1.7 years until next milestone

First Posted

Study publicly available on registry

November 14, 2017

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2020

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2021

Completed
Last Updated

August 31, 2021

Status Verified

August 1, 2021

Enrollment Period

4.8 years

First QC Date

March 1, 2016

Last Update Submit

August 30, 2021

Conditions

Keywords

gut microbiomeanxietydepressioncognition

Outcome Measures

Primary Outcomes (1)

  • To measure anxiety and depression using the Depression, Anxiety and Stress Scale (DASS) in patients with IBS-C and CIC before and after treatment with Linaclotide

    Change from baseline to week 8

Secondary Outcomes (3)

  • To measure neuropsychological performance in Patients with IBS-C and CIC using a standardized neuropsychological assessment in patients (CNS vital signs) before and after treatment with Linaclotide

    Change from baseline to week 8

  • To determine changes in fecal microbiome profile before and after treatment with Linaclotide and whether these changes correlate with changes in psychiatric symptoms and cognition.

    Change from baseline to week 8

  • To determine changes in inflammatory biomarker profile before and after treatment with Linaclotide and whether these changes correlate with changes in psychiatric symptoms and cognition.

    Change from baseline to week 8

Interventions

Questionnaires rating IBS symptoms, constipation, anxiety and depression

Administration of online cognitive battery

BloodOTHER

Measurement of cytokines/inflammatory biomarkers

Measurement of the gut microbiome

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients with IBS-C or CIC starting on Linaclotide

You may qualify if:

  • IBS-C or CIC as defined by Rome III criteria
  • able to provide and sign informed consent
  • age 18-65 years

You may not qualify if:

  • Previous diagnosis of bipolar, schizophrenia, or schizoaffective disorder
  • psychosis
  • active suicidal thoughts
  • presence of a major neurocognitive disorder, delirium or other cognitive disorder
  • active substance dependence ( including the use of cannabis more than 3 times per week
  • active eating disorder
  • pregnant or breastfeeding

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

McMaster University Medical Centre

Hamilton, Ontario, L8N3Z5, Canada

Location

Biospecimen

Retention: SAMPLES WITH DNA

Blood samples and fecal samples collected.

MeSH Terms

Conditions

ConstipationIrritable Bowel SyndromeAnxiety DisordersDepression

Interventions

Surveys and QuestionnairesBlood Specimen Collection

Condition Hierarchy (Ancestors)

Signs and Symptoms, DigestiveSigns and SymptomsPathological Conditions, Signs and SymptomsColonic Diseases, FunctionalColonic DiseasesIntestinal DiseasesGastrointestinal DiseasesDigestive System DiseasesMental DisordersBehavioral SymptomsBehavior

Intervention Hierarchy (Ancestors)

Data CollectionEpidemiologic MethodsInvestigative TechniquesHealth Care Evaluation MechanismsQuality of Health CareHealth Care Quality, Access, and EvaluationPublic HealthEnvironment and Public HealthSpecimen HandlingClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisPuncturesSurgical Procedures, Operative

Study Officials

  • Paul Moayyedi, MD, PhD

    McMaster University

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

March 1, 2016

First Posted

November 14, 2017

Study Start

March 1, 2016

Primary Completion

December 1, 2020

Study Completion

March 1, 2021

Last Updated

August 31, 2021

Record last verified: 2021-08

Data Sharing

IPD Sharing
Will not share

Locations