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Trial · NCT04110145

Linaclotide Safety and Efficacy in 2 to 5-Year-Old Participants With Functional Constipation

NCT04110145, Phase 2, Completed, Allergan; results first posted 2022-04-26

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Linaclotide Safety and Efficacy in 2 to 5-Year-Old Participants With Functional Constipation. Trials, record NCT04110145. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04110145

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Linaclotide Safety and Efficacy in 2 to 5-Year-Old Participants With Functional Constipation
NCT number
NCT04110145
Status
Completed
Phases
Phase 2
Enrollment
35 participants, actual
Lead sponsor
Allergan
Conditions
Functional Constipation
Interventions
Linaclotide, Placebo
First posted
2019-10-01
Last updated
2022-04-26
Other registries' IDs
eudract:2019-002126-75
Results first posted
2022-04-26

Source ClinicalTrials.gov

Registered outcomes5

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChange From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
A SBM was defined as a bowel movement (BM) that occurred in the absence of laxative, suppository, or enema use on the calendar day of the BM or the calendar day before the BM. Each day the caregiver recorded the number of SBMs in the last 24 hours in an electronic diary (eDiary). The SBM frequency rate (SBMs/week) during the analysis period for each participant was calculated as \[(total number of SBMs in the analysis period/number of days in the analysis period)\*7\]. Baseline value was based on values collected 14 days before randomization up to randomization. Change from Baseline was calculated as the SBM frequency rate during the 4-week treatment period - SBM frequency rate at Baseline. A positive change from Baseline indicates improvement.
PrimaryChange From Baseline in 4-week Stool Consistency Reported by the Caregiver During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
The caregiver rated and recorded in an eDiary the consistency of the stool for each bowel movement using the Bristol Stool Form 7-point scale where: 1=Separate hard lumps, like nuts (hard to pass); 2=Sausage-shaped, but lumpy; 3=Like a sausage but with cracks on its surface; 4=Like a sausage or snake, smooth and soft; 5=Soft blobs with clear cut edges (easy to pass); 6=Fluffy pieces with ragged edges, a mushy stool; 7=Watery, no solid pieces. Entirely liquid. Baseline value was based on values collected 14 days before randomization up to randomization. A participant's stool consistency score for the treatment period was the average of the nonmissing consistency scores from the BMs recorded by the caregiver during the 4-week treatment period.
PrimaryChange From Baseline in 4-week Straining Reported by the Caregiver During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
The caregiver rated and recorded in an eDiary the amount of straining they observed when the child passed the BM (1=Not at all; 2=Yes a little; 3=Yes a lot; I don't know). Baseline value was based on values collected 14 days before randomization up to randomization. A participant's straining score for the treatment period was the average of the nonmissing straining scores from the BMs recorded by the caregiver during the 4-week treatment period. A negative change from Baseline indicates improvement.
Primary
Percentage of Days With Fecal Incontinence During the Study Intervention Period (for Participants Who Have Acquired Toileting Skills During the Daytime and Nighttime or Acquired Toileting Skills During Daytime Only) Within Each Cohort
29 Days
Each day the caregiver recorded in an eDiary if the child had a bowel movement accident (Yes; No; I don't know). The percentage of days with fecal incontinence for the treatment period was the average of the nonmissing incidences of fecal incontinence recorded by the caregiver during the 4-week treatment period.
PrimaryPercentage of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)First dose of study drug intervention to within 1 week of last dose (Up to 45 days)
An Adverse Event (AE) is any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this study intervention. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease. A Serious Adverse Event (SAE) is defined as any untoward medical occurrence that: results in death, is immediately life-threatening, requires in-patient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, and/or causes a congenital anomaly/birth defect. A TEAE is an AE that begins or worsens after receiving study drug. Safety Population included all participants in the Randomized Population who received at least 1 dose of double-blind study intervention.

Outcomes5

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChange From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
mITT Population included all Randomized Population who received at least 1 dose of double-blind study intervention and who had at least 1 postbaseline entry on BM characteristic assessments that determine occurrences of SBMs.
SBMs per weekMEAN
PRIMARYChange From Baseline in 4-week Stool Consistency Reported by the Caregiver During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
mITT Population included all Randomized Population who received at least 1 dose of double-blind study intervention and who had at least 1 postbaseline entry on BM characteristic assessments that determine occurrences of SBMs. Overall number analyzed are the number of participants with data available for analyses.
score on a scaleMEAN
PRIMARYChange From Baseline in 4-week Straining Reported by the Caregiver During the Study Intervention Period of Each CohortBaseline (14 days prior to randomization) to Day 29
mITT Population included all Randomized Population who received at least 1 dose of double-blind study intervention and who had at least 1 postbaseline entry on BM characteristic assessments that determine occurrences of SBMs. Overall number analyzed are the number of participants with data available for analyses.
straining scoreMEAN
PRIMARY
Percentage of Days With Fecal Incontinence During the Study Intervention Period (for Participants Who Have Acquired Toileting Skills During the Daytime and Nighttime or Acquired Toileting Skills During Daytime Only) Within Each Cohort
29 Days
mITT Population included all Randomized Population who received at least 1 dose of double-blind study intervention and who had at least 1 postbaseline entry on BM characteristic assessments that determine occurrences of SBMs. Number analyzed is the number of participants with data available for analyses.
percentage of daysMEAN
PRIMARYPercentage of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)First dose of study drug intervention to within 1 week of last dose (Up to 45 days)Safety Population included all participants in the Randomized Population who received at least 1 dose of double-blind study intervention.percentage of participantsNUMBER

Results by group45

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 1 (Linaclotide 18 μg)Baseline1.379Standard Deviation 1.095SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 2 (Linaclotide 36 μg)Baseline0.621Standard Deviation 0.365SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 3 (Linaclotide 72 μg)Baseline0.724Standard Deviation 0.953SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortFinal Cohort (Linaclotide 72 μg)Baseline1.034Standard Deviation 0.809SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortPlacebo PooledBaseline1.267Standard Deviation 1.062SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 1 (Linaclotide 18 μg)Change from Baseline to Day 293.100Standard Deviation 5.251SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 2 (Linaclotide 36 μg)Change from Baseline to Day 290.032Standard Deviation 0.508SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortCohort 3 (Linaclotide 72 μg)Change from Baseline to Day 293.603Standard Deviation 2.867SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortFinal Cohort (Linaclotide 72 μg)Change from Baseline to Day 291.574Standard Deviation 1.933SBMs per week
Change From Baseline in 4-week Overall Spontaneous Bowel Movement (SBM) Frequency Rate (SBMs/Week) During the Study Intervention Period of Each CohortPlacebo PooledChange from Baseline to Day 290.482Standard Deviation 0.773SBMs per week

Participant flow30

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Double-Blind Treatment Period (4 Weeks)STARTEDCohort 1 (Linaclotide 18 μg)7
Double-Blind Treatment Period (4 Weeks)STARTEDCohort 2 (Linaclotide 36 μg)7
Double-Blind Treatment Period (4 Weeks)STARTEDCohort 3 (Linaclotide 72 μg)6
Double-Blind Treatment Period (4 Weeks)STARTEDFinal Cohort (Linaclotide 72 μg)7
Double-Blind Treatment Period (4 Weeks)STARTEDPlacebo Pooled8
Double-Blind Treatment Period (4 Weeks)COMPLETEDCohort 1 (Linaclotide 18 μg)7
Double-Blind Treatment Period (4 Weeks)COMPLETEDCohort 2 (Linaclotide 36 μg)7
Double-Blind Treatment Period (4 Weeks)COMPLETEDCohort 3 (Linaclotide 72 μg)6
Double-Blind Treatment Period (4 Weeks)COMPLETEDFinal Cohort (Linaclotide 72 μg)6
Double-Blind Treatment Period (4 Weeks)COMPLETEDPlacebo Pooled8

Adverse events35

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherOtitis mediaInfections and infestationsCohort 1 (Linaclotide 18 μg)17
otherOtitis mediaInfections and infestationsCohort 2 (Linaclotide 36 μg)07
otherOtitis mediaInfections and infestationsCohort 3 (Linaclotide 72 μg)06
otherOtitis mediaInfections and infestationsFinal Cohort (Linaclotide 72 μg)07
otherOtitis mediaInfections and infestationsPlacebo Pooled08
otherBlood creatinine increasedInvestigationsCohort 1 (Linaclotide 18 μg)17
otherBlood creatinine increasedInvestigationsCohort 2 (Linaclotide 36 μg)07
otherBlood creatinine increasedInvestigationsCohort 3 (Linaclotide 72 μg)06
otherBlood creatinine increasedInvestigationsFinal Cohort (Linaclotide 72 μg)07
otherBlood creatinine increasedInvestigationsPlacebo Pooled08

Adverse event totals15

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityCohort 1 (Linaclotide 18 μg)07
Total, all-cause mortalityCohort 2 (Linaclotide 36 μg)07
Total, all-cause mortalityCohort 3 (Linaclotide 72 μg)06
Total, all-cause mortalityFinal Cohort (Linaclotide 72 μg)07
Total, all-cause mortalityPlacebo Pooled08
Total, other adverse eventsCohort 1 (Linaclotide 18 μg)27
Total, other adverse eventsCohort 2 (Linaclotide 36 μg)07
Total, other adverse eventsCohort 3 (Linaclotide 72 μg)06
Total, other adverse eventsFinal Cohort (Linaclotide 72 μg)27
Total, other adverse eventsPlacebo Pooled18

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
38962910DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04110145

GET https://conductscience.org/api/trials/v1/NCT04110145/results?page=2