Clinical trials: Polypectomy
Colon Polyp
NBI-NearFocus Assisted Cold Snare Polypectomy Improves the Complete Resection Rate of Small Colorectal Polyps: a Prospective Single-arm Observational Study
NBI-NearFocus can assist cold snare polypectomy (CSP) to remove small colorectal polyps, but its specific efficacy is not clear.The aim of this study was to assess the efficacy of CSP with NBI-NearFocus evaluation of polypectomy…
- Trial name
- NCT06601426
- Testing
- CSP
- Where
- China
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Qianfoshan Hospital
Transcervical Resection of Endometrium, Transcervical Resection of Fibroids
Comparing Two Types of Sedation to Gynaecological Patients
The primary endpoint is to investigate the difference in pain between patients who receive deep sedation with spontaneous breathing versus patients who receive general anesthesia.
- Conditions
- Transcervical Resection of Endometrium, Transcervical Resection of Fibroids, Transcervical Resection of Polyp
- Trial name
- NCT01412632
- Testing
- Remifentanil, propofol and citanest
- Where
- Denmark
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Colonic Polyps
Cold Snare,Hot Snare and APC Polypectomy for the Complete Removal of Small Left Sided Colon Polyps
Given the limited existing data regarding the advantages and limitations of the existing techniques in the removal of colonic polyps the investigators designed a prospective study in order to compare cold snare vs hot snare vs…
- Trial name
- NCT02479893
- Testing
- polypectomy
- Where
- Greece
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Evangelismos Hospital
Screening Colonoscopy, Colonoscopic Control After Polypectomy
Study on the Use of Artificial Intelligence (Fujifilm) for Polyp Detection in Colonoscopy
Colonoscopy is currently the best method of detection of intestinal tumors and polyps, particularly because polyps can also be biopsied and removed.
- Conditions
- Screening Colonoscopy, Colonoscopic Control After Polypectomy, Suspected Colon Polyps
- Trial name
- Fuji AI (NCT04894708)
- Testing
- colonoscopy
- Where
- 10 sites in Germany
- Volunteers
- 1,572 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Adenoma, Colo-rectal Cancer
Clinical Value of G-EYE Colonoscopy in Daily Practice for Adenoma Detection and Time for Polyp Removal
Colonoscopy parameters will be compared before the introduction of the G-EYE endoscope and after the introduction of the G-EYE endoscope
- Trial name
- NCT04767971
- Testing
- Standard Colonoscopy, G-EYE Colonoscopy
- Where
- Germany
- Volunteers
- 2,795 people, healthy volunteers welcome
- Sponsor
- Dr. Horst Schmidt Klinik GmbH
Procedural Bleeding, Delayed Bleeding
A Comparison of Eleview Versus Hetastarch as Injectate for EMR
EMR is a technique used for the removal of flat or sessile neoplasms confined to the superficial layers of the GI tract using a snare.
- Conditions
- Procedural Bleeding, Delayed Bleeding, Post-Polypectomy Syndrome, Post Procedural Complication
- Trial name
- NCT03350217
- Testing
- Eleview, Hetastarch
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Indiana University
Colorectal Cancer, Colorectal Polyp
Predicting Risk for Post-polypectomy Colorectal Cancer
This originated as an observational study of Kaiser Permanente Northern California (KPNC) patients with a history of adenoma diagnosed by colonoscopy who received a subsequent surveillance colonoscopy between 2014 and 2019.
- Conditions
- Colorectal Cancer, Colorectal Polyp, Colorectal Adenoma, Neoplasm, Colorectal
- Trial name
- PREDICT (NCT05606081)
- Testing
- Logistic regression risk model
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Kaiser Permanente
Colo-rectal Cancer, Polyp of Colon
Evaluation of Cold Forcep and Cold Snare Polypectomy for Polyps Less Than or Equal to 3mm in Size During Colonoscopy
The focus of the study is to evaluate impact of cold forcep and cold snare in achieving complete resection during polypectomy of polyps <=3mm during colonoscopy.
- Conditions
- Colo-rectal Cancer, Polyp of Colon, Adenomatous Polyp of Colon
- Trial name
- NCT04551001
- Testing
- Cold forcep polypectomy, Cold snare polypectomy
- Where
- United States
- Volunteers
- 181 people, healthy volunteers welcome
- Sponsor
- Stanford University
Pain, Anesthesia
Effect of Low-dose Esketamine Combined With Target-controlled Infusion of Propofol for Painless Gastrointestinal Endoscopy
Purpose: 1. To determine the efficacy of low-dose esketamine in painless gastrointestinal endoscopy. 2. To determine the safety of low-dose esketamine in painless gastrointestinal endoscopy. 3.
- Trial name
- NCT04691076
- Testing
- Propofol, Esketamine, Fentanyl
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Tianjin Union Medical Center
Bleeding Complication During Colon Polypectomy
Postpolypectomy Bleeding in Patients With Antiplatelet Therapy
The purpose of this study is to determine if the use of aspirin prior to colonoscopy increases the risk of post polypectomy bleeding.
- Trial name
- NCT01465256
- Testing
- Aspirin
- Where
- South Korea
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Soonchunhyang University Hospital
Adenomatous Polyps
A Comparison of the Resection Rate of Cold Snare Polypectomy for Large (10-15 mm) and Small (5-9 mm) Colorectal Polyps
Colorectal cancer remains the third most common cause of death from cancer worldwide. Colonoscopy allows removal of adenomatous polyps is the best colorectal cancer screening, according to the adenoma-carcinoma sequence.
- Trial name
- CSP (NCT03647176)
- Testing
- Cold snare polypectomy
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Yuqi He
Polyp Resection Adequacy
Colorectal Polyp Resection Adequacy
The purpose of this study is to determine the best way to ensure that polyps are completely removed by evaluating the borders of the removed polyp.
- Trial name
- NCT02217085
- Where
- United States
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Colorectal Cancer, Colonoscopy
ColoReg: A Register for Gastrointestinal Endoscopy Reports and Examination Videos
With the participants help, the investigators aim to track treatment methods, treatment outcomes, and adverse events, as well as document the treatment strategies used during endoscopic colorectal cancer prevention and treatment.
- Conditions
- Colorectal Cancer, Colonoscopy, Polypectomy
- Trial name
- NCT06920680
- Where
- 2 sites in Germany
- Volunteers
- 1,834 people, healthy volunteers welcome
- Sponsor
- Wuerzburg University Hospital
Colorectal Polyps
Colorectal Polypectomy Upon Insertion And Withdrawal Or Upon Withdrawal Only?
The investigators aim to assess the procedure time and miss rate of polyps when performing polypectomy in the colon on the way up* and down or only on the way down.
- Trial name
- NCT01607827
- Testing
- Polyp removal upon insertion and withdrawal, Polyp removal upon withdrawal only
- Where
- Switzerland
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Polyps
Thin Wire Versus Thick Wire Snare for Cold Snare Polypectomy of Diminutive Polyps
Cold snare polypectomy (CSP) is now common practice and has proven to be a safe and effective technique for removal of diminutive polyps. Both thick and thin wire snares are now commonly used for CSP.
- Trial name
- NCT02581254
- Testing
- Thin Wire Snare, Thick Wire Snare
- Where
- Australia
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- Western Sydney Local Health District
Colorectal Adenoma, Colorectal Polyp
Validation of the Global Polypectomy Assessment Tool (GPAT)
Colorectal polypectomy is offten incompletely performed with high variability between endoscopists, resulting in interval cancer or repeated procedures.
- Conditions
- Colorectal Adenoma, Colorectal Polyp, Colo-rectal Cancer
- Trial name
- GPAT (NCT05877456)
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Large Polyps in the Gastrointestinal Tract
Evaluation of Blood as a Submucosal Cushion During Endoscopic Polypectomy and Mucosal Resection
For removal of large flat lesions of the gastro-intestinal tract injection of a solution under the lesion creates a "safety" cushion and protects from damage to the gastrointestinal tract wall.
- Trial name
- NCT00583466
- Testing
- Autologous blood injection, Normal saline, HPMC
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Adenomatous Polyps
A Comparison of the Resection Rate for Cold and Hot Snare Polypectomy for 5-15 mm Colorectal Polyps
In 2015, there were approximately 1.7 million new cases of colorectal cancer（CRC）, and the deaths was close to 832,000. CRC has become the third most common malignant tumor in the world and the second leading cause of cancer…
- Trial name
- NCT04061005
- Testing
- Cold snare polypectomy, Hot snare polypectomy, Endoscopic margin observation method
- Where
- China
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- Yuqi He
Glycopyrrolate, Colonoscopy
Antiperistaltic Effect and Safety of Glycopyrronium for Colonoscopic Polypectomy
The purpose of this study is to determine the antiperistaltic effect and safety of glycopyrrolate and whether the use of glycopyrrolate is beneficial for colonoscopy and colonoscopic polypectomy.
- Trial name
- NCT06041984
- Testing
- Glycopyrrolate
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Jie Chen