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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:50 AM EDT

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Showing 1–24 of 108 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bowel Preparation Clear all
Completed Phase 4 Interventional Results available

Comparative Effectiveness of Split-Dose Colonoscopy Bowel Preparation Regimens

NCT03298945
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Miralax-Gatorade Prep, Golytely
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 4 Interventional

Assessment of Safety, Quality, and Acceptance of a Bowel Preparation Using a Food Kit With Laxatives

NCT07605897
View directory record Official record
Conditions
Bowel Preparation, Efficacy, Tolerability, Safety, Colon Cancer Screening, Bowel Preparation for Colonoscopy
Interventions
Use of a standardized meal content (food-kit) the day prior to colonoscopy, Polyethylene glycol 3350 - electrolyte solution (GoLYTELY)
Other · Drug
Lead sponsor
Joseph Spataro
Federal
Eligibility
18 Years to 69 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 22, 2026, 11:50 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy of the Bacteriophage Preparation, ShigActive™, in a Human Experimental Model of Shigellosis

NCT05182749
View directory record Official record
Conditions
Shigellosis
Interventions
bacteriophage, Placebo
Biological · Other
Lead sponsor
Intralytix, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 22, 2026, 11:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

New Bowel Preparation Scale for Measuring Colon Cleanliness

NCT01635725
View directory record Official record
Conditions
Colonoscopy, Bowel Cleanliness, Bowel Rating Scale
Interventions
Not listed
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 4 Interventional

Examining the Effect of Ondansetron on Bowel Prep Success

NCT05439772
View directory record Official record
Conditions
Abdominal Pain, Inflammatory Bowel Diseases, Eosinophilic Gastroenteritis, Diarrhea, Hematochezia, Weight Loss
Interventions
Ondansetron
Drug
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
2 Years to 20 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 22, 2026, 11:50 AM EDT
Completed No phase listed Observational

Evaluation of the PillCam™ Colon Capsule Endoscopy (PCCE) Preparation and Procedure

NCT00885235
View directory record Official record
Conditions
Bowel Diseases
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
4
States / cities
Indianapolis, Indiana • Chapel Hill, North Carolina • Beavercreek, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Oct 22, 2026, 11:50 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Randomized Controlled Study Comparing Colon Evaluation With The Pure-Vu System To A Standard Colonoscopy In Patients Who Are High Risk For Inadequate Bowel Preparation

NCT04285008
View directory record Official record
Conditions
Gastrointestinal Disease, Colorectal Cancer
Interventions
Pure-Vu System
Device
Lead sponsor
Motus GI Medical Technologies Ltd
Industry
Eligibility
22 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Oct 22, 2026, 11:50 AM EDT
Completed No phase listed Observational

Safety and Efficacy of High Dose Bowel Preparation Solutions for Patients With Difficult To Clean Colons For Colonoscopy

NCT02661750
View directory record Official record
Conditions
Preparation for Colonoscopy
Interventions
Bowel Preparation
Drug
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Oct 22, 2026, 11:50 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Chewing Gum on Bowel Preparation in Patients Undergoing Colonoscopy

NCT07320989
View directory record Official record
Conditions
Colon Cancer Screening
Interventions
Chewing Sugar-Free Gum During Bowel Preparation, Standard Bowel Prep (2L PEG-ELP), Standard Bowel Prep
Behavioral · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Improving Bowel Preparation With an Educational Video

NCT01099553
View directory record Official record
Conditions
Bowel Preparation
Interventions
Educational video, Written instructions
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2012 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy Study of Bowel Preparation Before Colonoscopy

NCT00621920
View directory record Official record
Conditions
Bowel Cleansing Prior to Colonoscopy
Interventions
FM-601
Drug
Lead sponsor
C.B. Fleet Company, Inc.
Industry
Eligibility
50 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
2
States / cities
Anaheim, California • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 10, 2012 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy of OsmoPrep® Tablets Versus HalfLytely® and Bisacodyl Tablet Bowel Prep Kit for Colon Cleansing

NCT01427296
View directory record Official record
Conditions
Colon Cleansing
Interventions
Polyethylene glycol, Oral sodium phosphate solution
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
2,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
18
States / cities
San Carlos, California • Bristol, Connecticut • Macon, Georgia + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2018 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Comparison of BLI4700 Bowel Prep Versus an FDA-approved Comparator in Adults Prior to Colonoscopy

NCT03404401
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI4700, Polyethylene glycol bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years to 85 Years
Enrollment
620 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
23
States / cities
Mobile, Alabama • Tucson, Arizona • Anaheim, California + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2021 · Synced Oct 22, 2026, 11:50 AM EDT
Not listed Phase 1 Interventional

The Surgical Benefit and Pt.Tolerability Between Two Different Bowel Cleansing Regimens Performed Prior to Pelvic Reconstructive Surgery. Does One Bowel Cleansing Regimen Improve the Surgeons Visual Field Significantly Better Than the Other.

NCT01522261
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
Mechanical Bowel Prep, No Mechanical Bowel Prep
Other
Lead sponsor
Boston Urogynecology Associates
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2015 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Split Dose Golytely With Amitiza Pretreatment Versus Split Dose Golytely Plus Placebo in Outpatient Colonoscopy

NCT00611442
View directory record Official record
Conditions
Bowel Preparation for Colonoscopy
Interventions
lubiprostone, placebo
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2012 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

2 Regimens of Lactulose for Colonoscopy Preparation in Adults

NCT01887470
View directory record Official record
Conditions
Colonoscopy Preparation
Interventions
Full dose preparation, Split dose preparation
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 1, 2015 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

A Safety Study of 3 Different Bowel Cleansing Preparations

NCT01501513
View directory record Official record
Conditions
Colonoscopy, Bowel Preparation, Endoscopy
Interventions
PEG-3350 based bowel preparation, BLI800 approved preparation regimen, BLI800 investigational preparation regimen
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
17
States / cities
Mobile, Alabama • Anaheim, California • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Not applicable Interventional

Impact of a Novel Patient Educational Booklet on Colonoscopy Quality

NCT00975247
View directory record Official record
Conditions
Colon Cancer, Colonoscopy
Interventions
Receiving an educational booklet
Other
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PRevention Using EPA Against coloREctal Cancer

NCT04216251
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Cancer, Endoscopic Surgery, Eicosapentaenoic Acid, Gastrointestinal Microbiome
Interventions
AMR101
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 22, 2026, 11:50 AM EDT
Withdrawn Phase 2 Interventional

Same-day, Reduced Volume Bowel Preparation

NCT01044394
View directory record Official record
Conditions
Bowel Preparation
Interventions
polyethylene glycol (PEG-ELS) and bisacodyl tablets
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2012 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

BLI800-303: An Efficacy Evaluation of 2 Different Bowel Cleansing Preparations in Adult Subjects

NCT00856843
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI800, Polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
5
States / cities
Mobile, Alabama • Jupiter, Florida • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2010 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 4 Interventional

An Efficacy Evaluation of 2 Different Bowel Cleansing Preparations in Adult Subjects

NCT00278967
View directory record Official record
Conditions
Colonoscopy
Interventions
HalfLytely with Bisacodyl Tablets Bowel Prep Kit, HalfLytely - Reformulation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
10
States / cities
Anaheim, California • Jupiter, Florida • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2006 · Synced Oct 22, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

BLI850 vs an Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy

NCT00756977
View directory record Official record
Conditions
Colon Cancer
Interventions
BLI850, polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
12
States / cities
Mobile, Alabama • Jupiter, Florida • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2013 · Synced Oct 22, 2026, 11:50 AM EDT
Not listed Not applicable Interventional

Early Routine Bowel Preparation for Suspected Acute Diverticular Bleeding

NCT05170945
View directory record Official record
Conditions
Diverticular Bleeding
Interventions
Early bowel preparation for colonoscopy
Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2023 · Synced Oct 22, 2026, 11:50 AM EDT