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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:13 PM EDT

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Showing 313–336 of 391 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Polyp Clear all
Terminated Phase 2 Interventional Results available

Pilot Study of mTOR Inhibitor Therapy in Peutz-Jeghers Syndrome

NCT00811590
View directory record Official record
Conditions
Peutz-Jeghers Syndrome
Interventions
Everolimus
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 22, 2026, 4:13 PM EDT
Active, not recruiting Phase 3 Interventional

A Phase 3 Study to Assess the Efficacy, Safety, and Tolerability of Itepekimab (Anti-IL-33 mAb) in Participants With Inadequately-controlled Chronic Rhinosinusitis With Nasal Polyps

NCT06834360
View directory record Official record
Conditions
Chronic Rhinosinusitis With Nasal Polyps
Interventions
Itepekimab (SAR440340), Placebo, Mometasone furoate nasal spray (MFNS)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
15
States / cities
Birmingham, Alabama • La Mesa, California • Los Angeles, California + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Phase 1 Interventional

Panchromoendoscopy Using Oral Indigo Carmine Mixed With Polyethylene Glycol Prep

NCT01901510
View directory record Official record
Conditions
Colonic Polyps
Interventions
Chromoendoscopy (Indigo Carmine), Control
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 22, 2026, 4:13 PM 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 18, 2017 · Synced Oct 22, 2026, 4:13 PM EDT
Recruiting Phase 2 Interventional

An Investigational Drug (TPST-1495) in Patients With Familial Adenomatous Polyposis

NCT06557733
View directory record Official record
Conditions
Colorectal Carcinoma, Familial Adenomatous Polyposis
Interventions
Biopsy Procedure, Biospecimen Collection, EP2/EP4 Antagonist TPST-1495, Esophagogastroduodenoscopy, Gastrointestinal Endoscopy, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Phoenix, Arizona • Rochester, Minnesota • Salt Lake City, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 22, 2026, 4:13 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of BBT002 in Healthy Volunteers (HVs) and in Adult Patients With Chronic Obstructive Pulmonary Disease (COPD) or Chronic Rhiosininusitis With Nasal Polyps (CRSwNP)

NCT06944925
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
BBT002, Placebo
Drug
Lead sponsor
Bambusa Therapeutics
Industry
Eligibility
18 Years to 80 Years
Enrollment
286 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Bowling Green, Kentucky • Owensboro, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Evaluation of Computer-assisted, Non-cathartic CT Colonography

NCT01200303
View directory record Official record
Conditions
Colonic Polyps
Interventions
non-cathartic CTC
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
605 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
3
States / cities
San Francisco, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Oct 22, 2026, 4:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Accuracy for Predicting Deep Submucosal Invasion

NCT03748667
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Polyp
Interventions
White light endoscopy (WLE), NBI/BLI +/- chromoendoscopy (NBIBLI +/- CE)
Diagnostic Test
Lead sponsor
Althaia Xarxa Assistencial Universitària de Manresa
Other
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
San Francisco, California • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 22, 2026, 4:13 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Improving Outpatient Colonoscopy Bowel Prep With the Orton Score

NCT04093557
View directory record Official record
Conditions
Colonic Polyp, Colon Cancer
Interventions
Orton Score, Typical Standard of Care
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated Phase 2 Interventional Results available

Doxycycline in Treating Patients With Chronic Rhinosinusitis With Nasal Polyps

NCT02569437
View directory record Official record
Conditions
Polyp of Nasal Sinus
Interventions
Doxycycline, methylprednisolone, nasal saline spray, Flonase, sugar pill
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
49 participants
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 Jan 9, 2018 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated Not applicable Interventional

Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps

NCT00870961
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
cholecalciferol, placebo
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Depemokimab (GSK3511294) in Participants With Chronic Rhinosinusitis With Nasal Polyps (ANCHOR-2)

NCT05281523
View directory record Official record
Conditions
Nasal Polyps
Interventions
Depemokimab (GSK3511294), Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
14
States / cities
Tucson, Arizona • Roseville, California • New Haven, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Standard Colonoscopy Versus Colonoscopy With Endocuff Vision

NCT03361917
View directory record Official record
Conditions
Colorectal Polyp, Colorectal Adenoma, Colon Cancer
Interventions
Endocuff Vision
Device
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Not applicable Interventional Results available

Efficacy of a Semi-occluded Mask in the Treatment of Patients With Voice Disorders

NCT03410797
View directory record Official record
Conditions
Voice and Resonance Disorders, Vocal Fold Polyp, Vocal Cord Cyst, Vocal Cord Polyp, Atrophy of Vocal Cord
Interventions
Inclusion of semi-occluded mask in voice therapy
Device
Lead sponsor
Jacqueline Gartner-Schmidt
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Sacral Neuromodulation (SNM) With InterStimTM for Bowel Dysfunction Following Surgery for Rectal Cancers With Sphincter Preservation

NCT02163187
View directory record Official record
Conditions
Rectal Cancer, for Bowel Dysfunction Following Surgery for Rectal Cancers
Interventions
Implantation of the InterStimTM, MSK BFI questionnaires, The Low Anterior Resection Score (LARS) questionnaires, The EuroQOL5D questionnaires, The Fecal incontinence Quality of Life Scale (FIQOL) questionnaires
Device · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 22, 2026, 4:13 PM EDT
Completed Phase 4 Interventional Results available

Mechanisms of Smell Improvement With Dupilumab.

NCT05964465
View directory record Official record
Conditions
Chronic Rhinosinusitis With Nasal Polyps
Interventions
Dupilumab
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Charleston, South Carolina • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated No phase listed Observational

Non-Invasive Prediction of Colorectal Neoplasia

NCT01815463
View directory record Official record
Conditions
Colonic Polyps, Polyposis Coli, Colorectal Cancer
Interventions
Not listed
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
2,282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 22, 2026, 4:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biological, Genetic, and Lifestyle Risk Factors for Developing Colorectal Adenomas or Polyps in Participants Undergoing Colonoscopy

NCT00625066
View directory record Official record
Conditions
Colorectal Cancer, Precancerous Condition
Interventions
biologic sample preservation procedure, cytology specimen collection procedure, medical chart review, questionnaire administration, survey administration, biopsy, evaluation of cancer risk factors, screening colonoscopy
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 75 Years
Enrollment
8,108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
4
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 22, 2026, 4:13 PM EDT
Withdrawn No phase listed Observational

Association of Periostin Levels and Chronic Sinusitis

NCT02071667
View directory record Official record
Conditions
Sinusitis, Nasal Polyps
Interventions
Blood draw
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
Drug · Procedure
Lead sponsor
Colotech A/S
Industry
Eligibility
40 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
24
States / cities
Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 22, 2026, 4:13 PM EDT
Recruiting Not applicable Interventional

Randomized Trial of Cold EMR Compared to Hybrid Cold EMR.

NCT06937671
View directory record Official record
Conditions
Polyp of Colon, Endoscopic Mucosal Resection
Interventions
Cold EMR, Hybrid EMR
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Weston, Florida • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 22, 2026, 4:13 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers

Techniques to Enhance Patient Comfort in Sedation-risk Free Colonoscopy

NCT01076907
View directory record Official record
Conditions
Screening of Colonic Polyps
Interventions
Warm water, Control
Other
Lead sponsor
VA Greater Los Angeles Healthcare System
Federal
Eligibility
18 Years to 95 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 22, 2026, 4:13 PM EDT
Not listed Not applicable Interventional

Augmentation of Screening Colonoscopy With Fecal Immunochemical Testing

NCT00892593
View directory record Official record
Conditions
Colon Cancer
Interventions
Fecal Immunochemical Testing
Device
Lead sponsor
Forsyth Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
3
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 22, 2026, 4:13 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Feasibility and Safety of Single Port Robot in Colorectal Procedures

NCT03700593
View directory record Official record
Conditions
Colon Cancer, Colon Polyp, Rectal Cancer, Diverticulitis, Prolapse, Rectal, Rectal Polyp, Inflammatory Bowel Diseases
Interventions
Single Port Robotic Colorectal Surgery
Device
Lead sponsor
Marks Colorectal Surgical Associates
Other
Eligibility
18 Years to 95 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Oct 22, 2026, 4:13 PM EDT