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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polypectomy Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Cold Forcep and Cold Snare Polypectomy for Polyps Less Than or Equal to 3mm in Size During Colonoscopy

NCT04551001
View directory record Official record
Conditions
Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
Interventions
Cold forcep polypectomy, Cold snare polypectomy
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Results available

Risk of Post-polypectomy Bleeding With Prophylactic Hemoclipping

NCT01647581
View directory record Official record
Conditions
Post-polypectomy Bleeding, Polypectomy, Elective Colonoscopy
Interventions
Hemoclip Placement, NO hemoclip placement
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
11,182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
3
States / cities
Dallas, Texas • San Antonio, Texas • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Jul 22, 2026, 5:12 AM EDT
Enrolling by invitation Not applicable Interventional

Cold Snare Piecemeal Resection vs Cold Snare Endoscopic Mucosal Resection

NCT06462521
View directory record Official record
Conditions
Colon Cancer, Colon Polyp, Colon Adenoma, Serrated Polyp
Interventions
Cold Snare Piecemeal Resection (CSPR), Cold Snare Endoscopic Mucosal Resection (Cold EMR)
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Jul 22, 2026, 5:12 AM EDT
Enrolling by invitation Not applicable Interventional

Six Versus Twelve Month Index Follow-up After Large Colon Polyp Resection

NCT07198945
View directory record Official record
Conditions
Colon Cancer, Colon Polyp, Adenoma, Serrated Polyp, Recurrence, Local Neoplasm, Endoscopic Resection
Interventions
6-month follow-up, 12-month follow-up
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
8
States / cities
Birmingham, Alabama • Aurora, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Comparison of Eleview Versus Hetastarch as Injectate for EMR

NCT03350217
View directory record Official record
Conditions
Procedural Bleeding, Delayed Bleeding, Post-Polypectomy Syndrome, Post Procedural Complication
Interventions
Eleview, Hetastarch
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Results available

Efficacy of the Third Eye Retroscope Auxiliary Imaging System

NCT00657371
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Third Eye Retroscope Auxiliary Imaging System
Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years to 80 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
7
States / cities
Scottsdale, Arizona • Mountain View, California • Sunnyvale, California + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2013 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Epinephrine on Post-polypectomy Pain

NCT04065451
View directory record Official record
Conditions
Colonic Polyp
Interventions
Epinephrine
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Jul 22, 2026, 5:12 AM 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 20, 2023 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Results available

HOME Study: Hysteroscopic Office Myomectomy Evaluation

NCT01152112
View directory record Official record
Conditions
Uterine Fibroids, Polyps
Interventions
Myomectomy
Device
Lead sponsor
Hologic, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
9
States / cities
Phoenix, Arizona • Boulder, Colorado • Champaign, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Quad Resection (Hot Snare vs Cold Snare vs Hot EMR vs Cold EMR)

NCT03462706
View directory record Official record
Conditions
Colon Cancer, Colon Polyp, Colon Adenoma
Interventions
Cold Snare, Hot Snare, Cold EMR, Hot EMR
Procedure
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Jul 22, 2026, 5:12 AM EDT
Completed No phase listed Observational

Safety of Continuing Anti-platelet Agents During Colonoscopic Polypectomy: A Prospective Study

NCT01647568
View directory record Official record
Conditions
Post-polypectomy Bleeding, Anti-platelet Therapy, Colonoscopy
Interventions
Not listed
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2012 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Randomized Trial of Polypectomy Techniques for 4-6 mm Colonic Polyps

NCT04666194
View directory record Official record
Conditions
Colon Polyps
Interventions
Cold forceps, Cold snare, Hot snare
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2019
U.S. locations
3
States / cities
Carmel, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Jul 22, 2026, 5:12 AM EDT
Completed No phase listed Observational

Laparascopic Assisted Colonoscopic Polypectomy

NCT01986699
View directory record Official record
Conditions
Colon Polyps
Interventions
Laparoscopic Assisted Polypectomy
Procedure
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2015 · Synced Jul 22, 2026, 5:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Colorectal Polyp Resection Adequacy

NCT02217085
View directory record Official record
Conditions
Polyp Resection Adequacy
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Jul 22, 2026, 5:12 AM EDT
Not listed No phase listed Observational

Registry Evaluation of a Double Balloon Accessory Device

NCT03942965
View directory record Official record
Conditions
Adenomatous Polyp of Colon
Interventions
Double balloon accessory device
Device
Lead sponsor
Lumendi, LLC
Industry
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
3
States / cities
Gainesville, Florida • Danville, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional

Underwater Resection of Non-pedunculated Colorectal Lesions

NCT02889679
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Underwater resection, Conventional (gas distended colon) resection, Standard polypectomy
Procedure
Lead sponsor
VA Northern California Health Care System
Federal
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Jul 22, 2026, 5:12 AM 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 22, 2015 · Synced Jul 22, 2026, 5:12 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Predicting Risk for Post-polypectomy Colorectal Cancer

NCT05606081
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Polyp, Colorectal Adenoma, Neoplasm, Colorectal
Interventions
Logistic regression risk model
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Jul 22, 2026, 5:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cancer Control Following Polypectomy

NCT00591279
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1981 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Jul 22, 2026, 5:12 AM EDT
Terminated Phase 2 Interventional Results available

Asimadoline for the Treatment of Post-Operative Ileus

NCT00443040
View directory record Official record
Conditions
Post-Operative Ileus
Interventions
Asimadoline, Placebo
Drug
Lead sponsor
Tioga Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
4
States / cities
Burlington, Massachusetts • St Louis, Missouri • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2012 · Synced Jul 22, 2026, 5:12 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Early Detection of Advanced Adenomas and Colorectal Cancer

NCT06342440
View directory record Official record
Conditions
Colorectal Cancer, Colorectal Neoplasms, Colorectal Polyp, Colorectal Adenocarcinoma, Colorectal Disorders, Colorectal Dysplasia, Colorectal Cancer Stage I, Colorectal Cancer Stage II, Colorectal Cancer Stage III, Colorectal Cancer Stage IV, Colorectal Neoplasms Malignant, Colorectal Serrated Adenocarcinoma, Colorectal Adenoma With Severe Dysplasia, Colorectal Adenoma With Mild Dysplasia, Colorectal Adenoma With Moderate Dysplasia, Colorectal Adenoma and Carcinoma 1, Colorectal Adenomatous Polyp, Colorectal Adenocarcinoma Metastatic in the Liver
Interventions
DENEB
Diagnostic Test
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
2
States / cities
Monrovia, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Results available

Safety of Endoscopic Resection of Large Colorectal Polyps: A Randomized Trial.

NCT01936948
View directory record Official record
Conditions
Colon Polyps
Interventions
Clip closure
Procedure
Lead sponsor
White River Junction Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
928 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
White River Junction, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Jul 22, 2026, 5:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biopsy Forceps Versus Cold Snare for the Resection of Small Colonic Polyps

NCT02239549
View directory record Official record
Conditions
Colonic Polyps
Interventions
Jumbo cold forceps polypectomy, Cold snare polypectomy
Device
Lead sponsor
San Diego Veterans Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2014 · Synced Jul 22, 2026, 5:12 AM EDT
Active, not recruiting Not applicable Interventional

Blood Flow Monitoring to Prevent Post-Polypectomy Induced Ulcer Bleeding

NCT02875353
View directory record Official record
Conditions
Delayed Post-Polypectomy Induced Ulcer Hemorrhage
Interventions
Doppler Endoscopic Probe
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
3
States / cities
Downey, California • Los Angeles, California • West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 22, 2026, 5:12 AM EDT