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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:11 PM EDT

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Showing 25–48 of 391 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Polyp Clear all
Completed Phase 2 Interventional Results available

Etokimab in Adults With Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)

NCT03614923
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
Etokimab, Placebo, Mometasone Furoate Nasal Spray
Biological · Drug
Lead sponsor
AnaptysBio, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
28
States / cities
Little Rock, Arkansas • Canoga Park, California • Roseville, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2022 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigation of the Association Between Nasal Polyposis and Extraesophageal Reflux Disease

NCT00215787
View directory record Official record
Conditions
Nasal Polyps, Gastroesophageal Reflux
Interventions
lansoprazole
Drug
Lead sponsor
Head and Neck Surgery Associates
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 22, 2010 · Synced Oct 21, 2026, 5:11 PM EDT
Withdrawn Phase 4 Interventional

Systemic Corticosteroids in the Perioperative Management of Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)

NCT02119273
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)
Interventions
Prednisone, Placebo
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Redlands, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 21, 2026, 5:11 PM EDT
Recruiting Not applicable Interventional

Paclitaxel-Coated Balloon Treatment of Chronic Rhinosinusitis

NCT07290140
View directory record Official record
Conditions
Chronic Rhinosinusitis (CRS) With and Without Nasal Polyps
Interventions
Airiver ESSpand DCB, ESS
Combination Product · Procedure
Lead sponsor
Airiver Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
10
States / cities
Birmingham, Alabama • San Diego, California • Colorado Springs, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Two Types of Biopsy Forceps for Obtaining Cold Biopsy Polypectomy for Small Sessile Colorectal Polyps Less Than 6 mm in Diameter

NCT00855790
View directory record Official record
Conditions
Colorectal Polyps
Interventions
evaluate the effectiveness of the RJ4 biopsy forcep versus the RJ3 biopsy forcep
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 23, 2015 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Does Cap Assisted Colonoscopy Improve Detection of Adenomatous Polyps? (CAP Trial)

NCT01935180
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
Colonoscopy Cap
Device
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
50 Years to 85 Years
Enrollment
1,148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Lebanon, New Hampshire • White River Junction, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 21, 2026, 5:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Confocal Probe-based Endoscopic Imaging, Colorectal Cancer, Gastrointestinal (GI) Pathologies

NCT00874263
View directory record Official record
Conditions
Colonic Polyps, Esophageal Diseases
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 22, 2012 · Synced Oct 21, 2026, 5:11 PM 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 2, 2006 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Results available

CryoBalloon Ablation for Treatment of Duodenal Adenomas

NCT03847636
View directory record Official record
Conditions
Duodenal Adenomas, Familial Adenomatous Polyposis
Interventions
CryoBalloon ablation
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
4
States / cities
Baltimore, Maryland • Manhasset, New York • Danville, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 5:11 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 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional

Photometric Stereo Endoscopy (PSE) as a Tool for Imaging the Rectum and Colon

NCT01979458
View directory record Official record
Conditions
Colonic Polyps
Interventions
PSE
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 21, 2026, 5:11 PM EDT
Recruiting No phase listed Observational

Olfactory Cleft Obstruction and Electrophysiological Field Potentials Predict Olfactory Restoration by Dupilumab in CRSwNP Patients.

NCT06892704
View directory record Official record
Conditions
Chronic Rhinosinusitis Phenotype With Nasal Polyps (CRSwNP), Smell Loss
Interventions
Dupilumab - Standard Dose
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 21, 2026, 5:11 PM EDT
Not listed Not applicable Interventional

Right Sided Colon Polyp Miss Rate: Impact Of Retroflexion In The Right Colon

NCT01704820
View directory record Official record
Conditions
Colon Polyps, Colon Cancer Screening
Interventions
Retroflexion in the right colon
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
St Louis, Missouri • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 21, 2026, 5:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Prevention of Colorectal Cancer Through Multiomics Blood Testing

NCT04369053
View directory record Official record
Conditions
Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Diseases, Colon Lesion, Colon Polyp, Colorectal Cancer, Polyp, Adenoma, Rectal Diseases, Gastrointestinal Tract Cancers
Interventions
Freenome test
Diagnostic Test
Lead sponsor
Freenome Holdings Inc.
Industry
Eligibility
45 Years to 85 Years
Enrollment
48,995 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 122 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 21, 2026, 5:11 PM EDT
Recruiting Phase 1 Interventional

Testing for Safety and Colorectal Cancer Preventive Effects of ONC201

NCT05630794
View directory record Official record
Conditions
Colorectal Adenomatous Polyp, Colorectal Carcinoma, Familial Adenomatous Polyposis, Multiple Adenomatous Polyps
Interventions
Biopsy Procedure, Biospecimen Collection, Colonoscopy, Dordaviprone Hydrochloride, Endoscopic Procedure, Questionnaire Administration, Sigmoidoscopy
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Ann Arbor, Michigan • St Louis, Missouri • Cleveland, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 5:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Patient Preferences of a Resect and Discard Paradigm

NCT02305251
View directory record Official record
Conditions
Colonic Polyps
Interventions
Survey
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Phase 2 Interventional Results available

Dupilumab in CRSsNP

NCT04678856
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps, Sinusitis, Chronic Sinusitis, Sinus Disorder, Respiratory Disorder
Interventions
Dupilumab SAR231893, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
11
States / cities
Roseville, California • Stockton, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 21, 2026, 5:11 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive and Immunologic Profiles of Patients With Olfactory Dysfunction After Smell Training

NCT07681973
View directory record Official record
Conditions
Smell Loss, Chronic Rhinosinusitis (CRS)
Interventions
Smell Training
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Phase 3 Interventional Results available

12-Month OL Intranasal Fluticasone Propionate BID Using OptiNose Device

NCT01623310
View directory record Official record
Conditions
Nasal Polyps
Interventions
Fluticasone Propionate
Drug
Lead sponsor
Optinose US Inc.
Industry
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
16
States / cities
Birmingham, Alabama • Brandon, Florida • Normal, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Data Collection for CV-3E AI Software Development

NCT06916845
View directory record Official record
Conditions
Colonic Polyps
Interventions
Colon Capsule
Device
Lead sponsor
Capso Vision, Inc.
Industry
Eligibility
45 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
4
States / cities
New Port Richey, Florida • Palm Harbor, Florida • Hattiesburg, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Oct 21, 2026, 5:11 PM EDT
Completed No phase listed Observational

Predictors of Unsuccessful Endoscopic Mucosal Resection of Complex Colon Polyps

NCT02782793
View directory record Official record
Conditions
Colon Polyps
Interventions
Endoscopic Mucosal Resection
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Los Angeles, California • Denver, Colorado • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 21, 2026, 5:11 PM EDT
Active, not recruiting No phase listed Observational

CRC Detection Reliable Assessment With Blood

NCT05551052
View directory record Official record
Conditions
Colorectal Cancer, Adenomas Colon, Colon Cancer, Rectal Cancer, Colon Neoplasm, Colon Lesion, Colon Disease, Colon Polyp, Polyps, Adenoma, Rectal Diseases, Rectal Polyp, Gastrointestinal Neoplasms, Intestinal Neoplasms, Colonic Diseases, Functional, Intestinal Disease
Interventions
Next-Gen CRC Screening Test
Diagnostic Test
Lead sponsor
New Day Diagnostics
Network
Eligibility
45 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Chula Vista, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Study of SIC 8000 in Subjects Undergoing Endoscopic Mucosal Resection (EMR) of Colonic Lesions Equal to or Larger Than 2 cm

NCT02654418
View directory record Official record
Conditions
Adenomas
Interventions
Endoscopic Mucosal Resection of large colon polyps (greater than or equal to 20 mm in size)
Procedure
Lead sponsor
Cosmo Technologies Ltd
Industry
Eligibility
18 Years and older
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
3
States / cities
Jacksonville, Florida • Indianapolis, Indiana • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 5, 2017 · Synced Oct 21, 2026, 5:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Endoscopic Quality Improvement Program

NCT01415817
View directory record Official record
Conditions
Adenomatous Polyps, Colorectal Polyps
Interventions
Training session
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Oct 21, 2026, 5:11 PM EDT