Assessing GS500 in Functional Constipation (TRANSIT)
Primary Purpose
Constipation - Functional
Status
Not yet recruiting
Phase
Not Applicable
Locations
Study Type
Interventional
Intervention
GS500
Placebo
Sponsored by
About this trial
This is an interventional treatment trial for Constipation - Functional
Eligibility Criteria
Inclusion Criteria:
- Age ≥18 and ≤75 years old
- BMI ≥18.5 and <35 kg/m2
- Rome IV criteria for FC
- Compliant with reporting during Baseline Run-in .
- Ability to record daily bowel habits, including frequency, stool consistency, straining, completeness of evacuation, and patient reported outcomes
- Ability to follow verbal and written instructions
- Consent obtained via signed ICF
Exclusion Criteria:
- Meeting Rome IV criteria for IBSat screening
- Missing > 2 days of daily bowel habits reporting during either week of the Baseline Run-in period
- Patients reporting laxative, enema, and/or suppository usage for >2 days or any usage of a prohibited medication during the Baseline Run-in
- Patients reporting watery stools for any SBM or loose stools for >1 SBM in the absence of laxatives during Baseline Run-in
- Need for routine manual maneuvers in the last 6 months in order to achieve a BM
- History of significant GI lumen surgery at any time or other GI or abdominal surgery except cholecystectomy or appendectomy within 2 months prior to screening
- Documented GI obstruction
- History of laxative abuseas judged by investigator team
- Glycosylated hemoglobin (HbA1c) ≥8.5%
- Known history of Crohn's disease or ulcerative colitis
- Pregnancy in females of childbearing potential or lactation
- Absence of medically approved contraception in females of childbearing potential
- History of allergic reaction to carboxymethylcellulose, citric acid, sodium stearyl fumarate, HPMC, pectin, gelatin, maltotextrin or titanium dioxide
- Currently enrolled in another investigational device or drug study, or less than 3 months since ending another investigational device or drug study(s), or receiving other investigational treatment(s).
- Subjects anticipating surgical intervention during the study
- Angina, coronary bypass, or myocardial infarction within 6 months prior to Screening Visit
- History of swallowing disorders
- History of gastroparesis
- History of intestinal stricture (e.g., Crohn's disease)
- History of intestinal obstruction or subjects at high risk of intestinal obstruction including suspected small bowel adhesions
- History of maltodextrin intolerance
- Presence of metastatic cancer or current use of systemic anti-cancer treatments
- Anticipated requirement for use of prohibited concomitant medications
- Current use of prescribed or illicit opioids
- Use of intestinal secretagogues to treat constipation/IBS within 12 months of the screening visit
- Any other clinically significant disease or biochemical abnormality interfering with the assessments of GS500, according to the Investigator
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm Type
Experimental
Placebo Comparator
Arm Label
GS500 flexible dose
Placebo flexible dose
Arm Description
3, 2, or 4 GS500 capsules 2 times per day
3, 2, or 4 placebo capsules 2 times per day
Outcomes
Primary Outcome Measures
Primary Endpoint
Proportion of CSBM Responders defined as subjects with increase of ≥ 1 CSBM from Baseline Run-In during at least 6 of the 8 weeks of the Effectiveness period
Secondary Outcome Measures
Straining score (EoPS)
Constipation severity (self-assessment on 0 to 10 numerical rating scale)
SBM stool consistency (BSFS)
SBM frequency rate (SBMs/week)
CSBM frequency rate (CSBMs/week)
Proportion of subjects with increase of ≥2 CSBMduringat least6 of the 8 weeks of the Effectiveness period
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT04887896
Brief Title
Assessing GS500 in Functional Constipation
Acronym
TRANSIT
Official Title
A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study Assessing the Effect of GS500 in Subjects With Functional Constipation
Study Type
Interventional
2. Study Status
Record Verification Date
January 2022
Overall Recruitment Status
Not yet recruiting
Study Start Date
July 15, 2022 (Anticipated)
Primary Completion Date
December 30, 2023 (Anticipated)
Study Completion Date
December 30, 2023 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Gelesis, Inc.
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes
5. Study Description
Brief Summary
This study is designed to evaluate the safety, tolerability and efficacy of GS500 as a superabsorbent hydrogel for relief of constipation in subjects with functional constipation.
Detailed Description
To evaluate the safety, tolerabilityand efficacy of GS500 as a superabsorbent hydrogel for relief of constipation in subjects with functional constipation.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Constipation - Functional
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Model Description
Multicenter, randomized, double-blind, placebo-controlled, parallel-group, flexible-dose.
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
260 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
GS500 flexible dose
Arm Type
Experimental
Arm Description
3, 2, or 4 GS500 capsules 2 times per day
Arm Title
Placebo flexible dose
Arm Type
Placebo Comparator
Arm Description
3, 2, or 4 placebo capsules 2 times per day
Intervention Type
Device
Intervention Name(s)
GS500
Intervention Description
Device: GS500
Intervention Type
Device
Intervention Name(s)
Placebo
Intervention Description
Device: Placebo
Primary Outcome Measure Information:
Title
Primary Endpoint
Description
Proportion of CSBM Responders defined as subjects with increase of ≥ 1 CSBM from Baseline Run-In during at least 6 of the 8 weeks of the Effectiveness period
Time Frame
8 weeks
Secondary Outcome Measure Information:
Title
Straining score (EoPS)
Time Frame
8 weeks
Title
Constipation severity (self-assessment on 0 to 10 numerical rating scale)
Time Frame
8 weeks
Title
SBM stool consistency (BSFS)
Time Frame
8 weeks
Title
SBM frequency rate (SBMs/week)
Time Frame
8 weeks
Title
CSBM frequency rate (CSBMs/week)
Time Frame
8 weeks
Title
Proportion of subjects with increase of ≥2 CSBMduringat least6 of the 8 weeks of the Effectiveness period
Time Frame
8 weeks
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Age ≥18 and ≤75 years old
BMI ≥18.5 and <35 kg/m2
Rome IV criteria for FC
Compliant with reporting during Baseline Run-in .
Ability to record daily bowel habits, including frequency, stool consistency, straining, completeness of evacuation, and patient reported outcomes
Ability to follow verbal and written instructions
Consent obtained via signed ICF
Exclusion Criteria:
Meeting Rome IV criteria for IBSat screening
Missing > 2 days of daily bowel habits reporting during either week of the Baseline Run-in period
Patients reporting laxative, enema, and/or suppository usage for >2 days or any usage of a prohibited medication during the Baseline Run-in
Patients reporting watery stools for any SBM or loose stools for >1 SBM in the absence of laxatives during Baseline Run-in
Need for routine manual maneuvers in the last 6 months in order to achieve a BM
History of significant GI lumen surgery at any time or other GI or abdominal surgery except cholecystectomy or appendectomy within 2 months prior to screening
Documented GI obstruction
History of laxative abuseas judged by investigator team
Glycosylated hemoglobin (HbA1c) ≥8.5%
Known history of Crohn's disease or ulcerative colitis
Pregnancy in females of childbearing potential or lactation
Absence of medically approved contraception in females of childbearing potential
History of allergic reaction to carboxymethylcellulose, citric acid, sodium stearyl fumarate, HPMC, pectin, gelatin, maltotextrin or titanium dioxide
Currently enrolled in another investigational device or drug study, or less than 3 months since ending another investigational device or drug study(s), or receiving other investigational treatment(s).
Subjects anticipating surgical intervention during the study
Angina, coronary bypass, or myocardial infarction within 6 months prior to Screening Visit
History of swallowing disorders
History of gastroparesis
History of intestinal stricture (e.g., Crohn's disease)
History of intestinal obstruction or subjects at high risk of intestinal obstruction including suspected small bowel adhesions
History of maltodextrin intolerance
Presence of metastatic cancer or current use of systemic anti-cancer treatments
Anticipated requirement for use of prohibited concomitant medications
Current use of prescribed or illicit opioids
Use of intestinal secretagogues to treat constipation/IBS within 12 months of the screening visit
Any other clinically significant disease or biochemical abnormality interfering with the assessments of GS500, according to the Investigator
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Hassan M Heshmati, MD
Phone
(215) 275 - 1275
Email
hheshmati@gelesis.com
First Name & Middle Initial & Last Name or Official Title & Degree
Henry W Calderon, BS
Phone
(857) 201- 5330
12. IPD Sharing Statement
Plan to Share IPD
No
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Assessing GS500 in Functional Constipation
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