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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Preparation for Colonoscopy Clear all
Recruiting Phase 4 Interventional Accepts healthy volunteers

The Impact of GLP Medication on Colonoscopy Bowel Preparation Quality

NCT07127354
View directory record Official record
Conditions
GLP - 1, Bowel Preparation for Colonoscopy
Interventions
Continue GLP/GIP
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Cleveland, Florida • Weston, Florida
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 6, 2026, 11:51 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 May 31, 2015 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Yoga and Bolus Lukewarm Saline as Rapid Colonoscopy Preparation

NCT01547130
View directory record Official record
Conditions
Colonic Neoplasms
Interventions
Normal (0.9%) saline, HalfLytely
Drug
Lead sponsor
Arya, Vijaypal, M.D., P.C.
Individual
Eligibility
21 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Middle Village, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gatorade/Miralax With or Without Bisacodyl Versus NuLytely for Colonoscopy Preparation

NCT01063049
View directory record Official record
Conditions
Preparation for Colonoscopy
Interventions
Gatorade/Miralax, NuLytely, Bisacodyl, Placebo
Drug
Lead sponsor
Gastroenterology Services, Ltd.
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 17, 2013 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 4 Interventional

Bowel Preparation for Inpatient Colonoscopy

NCT01169220
View directory record Official record
Conditions
Gastrointestinal Hemorrhage, Colon Cancer, Diverticulosis
Interventions
Go Lytely
Drug
Lead sponsor
Santa Clara Valley Health & Hospital System
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Sep 6, 2026, 11:51 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 Oct 31, 2012 · Synced Sep 6, 2026, 11:51 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Evaluation of Stool Tagging for Improved Patient Compliance

NCT00124163
View directory record Official record
Conditions
Colon Cancer, Polyps
Interventions
Imaging procedure of CT colonography
Procedure
Lead sponsor
Center for Diagnostic Imaging
Other
Eligibility
45 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 1, 2006 · Synced Sep 6, 2026, 11:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

One-Day Versus Three-Day Bowel Preparation for Colonoscopy in Children

NCT02174497
View directory record Official record
Conditions
Bowel Preparation, Pediatric Colonoscopy
Interventions
Not listed
Lead sponsor
St. John Health System, Michigan
Other
Eligibility
2 Years to 21 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Efficacy Study of an Edible Colonoscopy Preparation

NCT03332485
View directory record Official record
Conditions
Colon Prep for Colonoscopy
Interventions
ECP Colon Prep Kit, MoviPrep®
Drug
Lead sponsor
Sebela Pharmaceuticals Development LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
8
States / cities
Anaheim, California • Indianapolis, Indiana • Bastrop, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2018 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Not applicable Interventional

Short Course, Single-dose PEG 3350 for Colonoscopy Prep in Children

NCT01518790
View directory record Official record
Conditions
Colonoscopy
Interventions
polyethylene glycol 3350
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
8 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Trial Comparing Split-Dose Miralax With Amitiza Pretreatment Versus Dulcolax Pretreatment Versus Golytely for Bowel Cleansing Prior to Colonoscopy

NCT00953017
View directory record Official record
Conditions
Colonoscopy
Interventions
Miralax (PEG 3350), Amitiza (Lubiprostone), Dulcolax (Bisacodyl), Golytely (polyethylene glycol)
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years and older
Enrollment
425 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 29, 2012 · Synced Sep 6, 2026, 11:51 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 25, 2026 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Efficacy and Safety of Prepopik® in Children for Overall Colon Cleansing in Preparation for Colonoscopy

NCT01928862
View directory record Official record
Conditions
Need for Bowel Preparation
Interventions
Prepopik® ½ Sachet x 2 (9-12 years), Prepopik® 1 Sachet x 2 (9-12 years), Oral polyethylene glycol (PEG) based preparation (9-12 years), Prepopik® 1 Sachet x 2 (13-16 years), Oral polyethylene glycol (PEG) based preparation (13-16 years)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
9 Years to 16 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
9
States / cities
Birmingham, Alabama • San Diego, California • Indianapolis, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 6, 2026, 11:51 AM EDT
Terminated Phase 4 Interventional Results available

Bowel Preparation for Colonoscopy in Children

NCT01140295
View directory record Official record
Conditions
Colonoscopy Preparation
Interventions
polyethylene glycol, senna
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 21 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Not applicable Interventional Results available

Improving Bowel Preparation for Colonoscopy With a Simple Educational Card

NCT00643682
View directory record Official record
Conditions
Colonic Polyps, Colonic Neoplasms
Interventions
Educational card
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 30, 2012 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Bisacodyl and Lactulose as a Preparation for Colonoscopy

NCT02123017
View directory record Official record
Conditions
Colonoscopy Preparation
Interventions
90 grams of Crystalline Lactulose, 135 grams of Crystalline Lactulose, 180 grams of Crystalline Lactulose
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 23, 2016 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Miralax (PEG 3350) vs. Golytely as Bowel Preparation for Screening Colonoscopy

NCT01170754
View directory record Official record
Conditions
Colon Cancer
Interventions
PEG-3350 and Gatorade, Golytely 4 liters
Drug
Lead sponsor
Temple University
Other
Eligibility
40 Years to 75 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Not applicable Interventional

The Impact of Diet Liberalization on Bowel Preparation for Colonoscopy

NCT01876576
View directory record Official record
Conditions
Colonic Diseases
Interventions
Clear liquids, Low residue breakfast and lunch
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 11, 2013 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Not applicable Interventional

Improving Tolerability of Bowel Preparation Laxative for Colonoscopy

NCT02062112
View directory record Official record
Conditions
Colonoscopy, Bowel Preparation
Interventions
Pattern of flavoring of bowel laxative
Other
Lead sponsor
Howard University
Other
Eligibility
18 Years to 100 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Sep 6, 2026, 11:51 AM EDT
Withdrawn Not applicable Interventional

Colonic Irrigation for Colonoscopy Preparation

NCT02647229
View directory record Official record
Conditions
Colonoscopy
Interventions
Isosmotic bowel cleansing preparation, Colonic Hyrdrotherapy
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Sep 6, 2026, 11:51 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 26, 2021 · Synced Sep 6, 2026, 11:51 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Linaclotide for Colonoscopy Bowel Prep

NCT06692673
View directory record Official record
Conditions
Patients Scheduled for Colonoscopy
Interventions
Use of Linaclotide as a single agent Colonoscopy prep
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of a Colon Irrigation Device as a Preparation for a Colon Visualization Procedure

NCT03458390
View directory record Official record
Conditions
Screening Colonoscopy
Interventions
HyGIeaCare colon irrigation
Device
Lead sponsor
HyGIeaCare, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Sep 6, 2026, 11:51 AM EDT
Completed Phase 3 Interventional Results available

Efficacy of Morning-only Bowel Preparation for Afternoon Colonoscopy.

NCT00687830
View directory record Official record
Conditions
Colon Cancer
Interventions
Polyethylene Glycol afternoon, Polyethylene Glycol morning
Drug
Lead sponsor
Cleveland Clinic Florida
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Sep 6, 2026, 11:51 AM EDT