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Showing 1–24 of 80 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: PEG 3350 Clear all
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Comparison Trial of Enema vs. PEG 3350 for Constipation

NCT00467350
View directory record Official record
Conditions
Constipation
Interventions
PEG 3350, milk and molasses enema
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Year to 17 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 1, 2020 · Synced Sep 2, 2026, 10:04 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimizing Pain Control in Transurethral Resection of the Prostate

NCT04102566
View directory record Official record
Conditions
Pain, BPH With Urinary Obstruction, BPH With Urinary Obstruction With Other Lower Urinary Tract Symptoms
Interventions
Ibuprofen 600 mg, Education
Drug · Behavioral
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Sep 2, 2026, 10:04 AM EDT
Enrolling by invitation Phase 2Phase 3 Interventional

Polyethylene-glycol Assisted Nerve Repair in Phalloplasty

NCT05897086
View directory record Official record
Conditions
Gender Dysphoria
Interventions
Polyethylene Glycol 3350
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 2 Interventional Results available

Macrogol 3350-based Oral Osmotic Laxative in Preventing Cancer in Patients at Risk of Colorectal Cancer

NCT00828984
View directory record Official record
Conditions
Adenomatous Polyp, Colorectal Carcinoma
Interventions
macrogol 3350-based oral osmotic laxative, Placebo, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Lubiprostone, Colonic Motility and Sensation

NCT00953043
View directory record Official record
Conditions
Healthy
Interventions
lubiprostone, Placebo, Bowel preparation
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 26, 2012 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Effects of Cabotegravir (CAB) and Rilpivirine (RPV) Long-Acting (LA) Injections Following Sub-cutaneous (SC) Administration Compared With Intramuscular (IM) Administration in Adult Participants Living With Human Immunodeficiency Virus (HIV-1) Infection in the FLAIR Study

NCT05896748
View directory record Official record
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1)
Interventions
Cabotegravir - Injectable Suspension (CAB LA), Rilpivirine - Injectable Suspension (RPV LA)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Macon, Georgia • Austin, Texas • Bellaire, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional

A Pilot Study of a New PEG3350 Dose Formulation For Use in Constipated Children

NCT00583609
View directory record Official record
Conditions
Constipation
Interventions
PEG3350
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
4 Years to 16 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Little Rock, Arkansas • Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 27, 2009 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Fundamental Modification of the Gut Microbiota in the Treatment of Refractory Crohn's Disease

NCT03476317
View directory record Official record
Conditions
Crohn Disease
Interventions
Vancomycin, Neomycin, Ciprofloxacin, Polyethylene Glycol 3350, Fluconazole
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2022 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional

Pre-operative Polyethylene Glycol 3350 for Minimally Invasive Urogynecologic Surgery

NCT06159777
View directory record Official record
Conditions
Constipation, Surgical Procedure, Unspecified, Prolapse; Female
Interventions
Polyethylene Glycol 3350
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 3 Interventional

BLI-800-301: BLI-800 vs an Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy

NCT00503607
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI-800, Polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
11
States / cities
Mobile, Alabama • Washington D.C., District of Columbia • Jupiter, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2007 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 3 Interventional

BLI-800-302: BLI-800 vs an Active Control Bowel Preparation in Adult Subjects Undergoing Colonoscopy

NCT00503815
View directory record Official record
Conditions
Colonoscopy
Interventions
BLI-800, Polyethylene glycol 3350 based bowel preparation
Drug
Lead sponsor
Braintree Laboratories
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
10
States / cities
Anaheim, California • Orange, California • Jackson, Mississippi + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2007 · Synced Sep 2, 2026, 10:04 AM EDT
Terminated Not applicable Interventional Results available

Efficacy of Lubiprostone in Combination With Standard PEG Preparation

NCT00689026
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Interventions
Lubiprostone, Polyethylene glycol with electrolytes
Drug · Other
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 19, 2014 · Synced Sep 2, 2026, 10:04 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 2, 2026, 10:04 AM EDT
Completed Phase 1Phase 2 Interventional Results available

PillCam® Platform With the PillCam Crohn's Disease Capsule

NCT01631435
View directory record Official record
Conditions
Crohn's Disease
Interventions
Pillcam colon capsule and PillCam™ Prep Procedure, Ileocolonoscopy
Other · Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Sep 2, 2026, 10:04 AM EDT
Active, not recruiting Phase 2 Interventional

MTT for Children With ASD Who Have Gastrointestinal Disorders

NCT04182633
View directory record Official record
Conditions
Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
Interventions
vancomycin, Miralax, intestinal microbiota, placebo vancomycin, Miralax, placebo intestinal microbiota
Combination Product
Lead sponsor
Arizona State University
Other
Eligibility
5 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

Cystic Fibrosis and Gut Dysmotility: The Effect of Polyethylene Glycol (PEG) on Intestinal Transit

NCT04210427
View directory record Official record
Conditions
Cystic Fibrosis Gastrointestinal Disease
Interventions
Polyethylene Glycol 3350, SmartPill Motility System & PillCam Patency Capsule
Drug · Device
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 40 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 2 Interventional Results available

Fundamental Modification of the Gut Microbiota in the Treatment of Refractory Crohn's Disease

NCT02765256
View directory record Official record
Conditions
Crohn's Disease
Interventions
Fluconazole, Vancomycin, Neomycin, Ciprofloxacin, Polyethylene Glycol 3350, Promethazine, Fluconazole placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 3 Interventional

Evaluation of Oral Simethicone With Low Volume Polyethylene Glycol Bowel Preparation During Colonoscopy

NCT03410524
View directory record Official record
Conditions
Colonoscopy
Interventions
Simethicone Solution, Water
Drug
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
2
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 2, 2026, 10:04 AM EDT
Recruiting Phase 1Phase 2 Interventional

Study Assessing CLENPIQ as Bowel Preparation for Pediatric Colonoscopy

NCT04113382
View directory record Official record
Conditions
Bowel Preparation
Interventions
CLENPIQ, MIRALAX, SENNA
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
12 Months to 8 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
5
States / cities
Mobile, Alabama • San Diego, California • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 2, 2026, 10:04 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Effect of D-cycloserine on a Short Imagery Rescripting Intervention for Subclinical PTSD

NCT03216356
View directory record Official record
Conditions
PTSD
Interventions
CBT + ImRs, CBT + I.E., D-Cycloserine, Placebo, Study Pill
Behavioral · Drug
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 2, 2026, 10:04 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 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

To Evaluate Patient Preference of Movantik and Polyethylene Glycol 3350 for Opioid Induced Constipation

NCT03060512
View directory record Official record
Conditions
Opioid Induced Constipation
Interventions
Polyethylene Glycol 3350, Movantik
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 84 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
53
States / cities
Huntsville, Alabama • Phoenix, Arizona • Anaheim, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Sep 2, 2026, 10:04 AM EDT
Completed Phase 4 Interventional Results available

Study to Investigate Prucalopride vs. Polyethylene Glycol 3350 on Colon Activity

NCT01707667
View directory record Official record
Conditions
Chronic Constipation
Interventions
prucalopride, PEG 3350
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 1, 2021 · Synced Sep 2, 2026, 10:04 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 2, 2026, 10:04 AM EDT