Clinical trials: Polyp of Large Intestine
Colorectal Cancer, Colorectal Polyp
Accuracy for Predicting Deep Submucosal Invasion
The main aim of this study is to determine whether the assessment of the invasive pattern based on NBI with dual focus/magnification or BLI with magnification ± chromoendoscopy (NBI+CE) for predicting deep invasion is…
- Trial name
- NBIBLI (NCT03748667)
- Testing
- White light endoscopy (WLE), NBI/BLI +/- chromoendoscopy (NBIBLI +/- CE)
- Where
- 14 sites in United States, Japan and 1 more
- Volunteers
- 426 people, healthy volunteers welcome
- Sponsor
- Althaia Xarxa Assistencial Universitària de Manresa
Subjects Will Have a Pre-cancerous Colorectal Polyp, Family Member Has History of Colorectal Adenoma of Adenocarcinoma
Effect of Folate on Colon and Blood Cells
This study looks at the effect of folate supplementation and depletion on the blood cells and the colorectal cells. To examine the effect of these changes, blood samples and colorectal biopsy samples are collected.
- Trial name
- NCT00220012
- Testing
- Folate depletion and supplementation
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Polyps Colorectal, Colonoscopy
Optical Diagnosis of Neoplasia Using Artificial Intelligence
Computer-aided diagnosis (CADx) for colonoscopy aims to enhance optical diagnosis but often underperforms when used alongside humans due to under-reliance on AI.
- Conditions
- Polyps Colorectal, Colonoscopy, Optical Biopsy, Colorectal Cancer Control and Prevention
- Trial name
- FAIR (NCT07158203)
- Testing
- CADx simultaneously, CADx delayed
- Where
- 2 sites in Norway, Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Fundacin Biomedica Galicia Sur
Colorectal Polyp
The Impact of Repeated Colonoscopic Insert Method on the Detection Rate of Adenomas in the Sigmoid Colon
Colorectal cancer (CRC) is a malignant tumour originating from the colorectal mucosal epithelium, with rising incidence and mortality rates.
- Trial name
- NCT06186778
- Testing
- secondary colonoscopy, conventional colonoscopy
- Where
- China
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- Jianning Yao
Search MeSH
Relationship Among Oral Microbiome and NLRP3 Inflammatome and Colorectal Polyps
In this study, a case-control study was intended to establish a model for the combined diagnosis of colorectal polyps by detecting the expressions of oral and intestinal flora, ASC, Caspase-1, IL-1β and IL-18 in patients with…
- Trial name
- NCT06724133
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Limin Zhang
Colorectal Disorders, Colorectal Neoplasms
Comparison of the Left-Lateral Horizontal and Supine Positions for Colonoscopy Intervention: A Randomized Controlled Study
Objective: One of the most common technical difficulties during colonoscopy is passing through the fold of the sigmoid colon. Colonoscopy is commonly performed by endoscopists with the patient in the left lateral position.
- Conditions
- Colorectal Disorders, Colorectal Neoplasms, Colorectal Polyp, Colo-rectal Cancer
- Trial name
- NCT07517848
- Testing
- Colonoscopy after bowel cleansing
- Where
- Turkey (Türkiye)
- Volunteers
- 198 people, healthy volunteers welcome
- Sponsor
- Manisa Celal Bayar University
Colorectal Neoplasms, Colorectal Polyp
MS Versus NICE for Colorectal Lesions
OBJECTIVE: Our study aimed to compare a recently-developed endoscopic classification with an established one for colorectal lesions in a randomised trial between 2013 and 2015.
- Trial name
- NCT02963207
- Testing
- Modified Sano's classification, NICE classification
- Volunteers
- 348 people, healthy volunteers welcome
- Sponsor
- Lyell McEwin Hospital
Colorectal Polyp, Colorectal Cancer
Detection of Endoscopic Resection Scars and Delineation of Recurrence is Trainable
Colorectal cancer is prevented by colonoscopy and polypectomy. Failure to recognize the endoscopic resection scar after Endoscopic Mucosal Resection (EMR) risks unrecognized recurrent or residual adenoma (RRA), which may…
- Trial name
- SCAR (NCT06193356)
- Testing
- Learning tool
- Where
- Belgium
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Colorectal Polyp
Comparative Study of Anchoring-tip vs. Conventional EMR of Colorectal Polyps
Endoscopic mucosal resection (EMR) is an effective and has been widely used technique for the treatment of superficial colorectal neoplasms.
- Trial name
- NCT04825457
- Testing
- Anchoring-tip vs. Conventional
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Chilgok Hospital
Colorectal Polyps
AI in Predicting Polyp Pathology and Endoscopic Classification
Background: Colonoscopy with optical diagnosis based on the appearance of polyps can guide the selection of endoscopic treatment methods, reduce unnecessary polypectomy procedures and the need for tissue pathological diagnosis…
- Trial name
- NCT06773832
- Testing
- Real-time Artificial Intelligence Model for Diagnosing Colorectal Polyp Pathology and Endoscopic Classification
- Where
- China
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Colorectal Polyps, Colonoscopy
The Effect of Bowel Preparation Status on the Polyp Missing Rate
High quality bowel cleaning preparation was most important prerequisites of a accurate colonoscopy, because even a small amount of residual fecal matter can obscure small polyps and increase unnecessary procedure time.
- Conditions
- Colorectal Polyps, Colonoscopy, Bowel Preparation, Polyp Missing Rate
- Trial name
- NCT00988676
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Konkuk University Hospital
Colorectal Polyp
Prediction of Diminutive/Small Polyp Histology: Didactic vs. Computer-based Training
Bowel cancer is one of the most common cancers and the best method of diagnosing it is through endoscopic examination of the bowel (colonoscopy).
- Trial name
- NCT03843567
- Testing
- Endoscopic characterisation training
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Colon Polyps
Colorectal Polyp Discrimination Using High-Definition Narrow Band Imaging
The investigators seek to compare the accuracy of the existing colonoscope model to determine the magnitude of the improvement the investigators can expect in polyp discrimination as neoplastic or non-neoplastic.
- Trial name
- NCT01354873
- Where
- United States
- Volunteers
- 556 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Colorectal Neoplasm, Colonic Polyps
Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study
The investigators hypothesize that high definition colonoscopy with close focus narrow band imaging features has a high diagnostic accuracy for colorectal polyp histology, and can replace formal pathologic assessment in cases of…
- Trial name
- VALID (NCT01288833)
- Testing
- Close focus HD NBI Colonoscopy System
- Where
- 2 sites in United States
- Volunteers
- 558 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Colorectal Polyps
Confocal Endomicroscopy for GI Neoplasia Study
The purpose of this study is to enhance probe stabilization using a 4mm clear cap attached to endoscope in comparison to standard "free-hand" image acquisition.
- Trial name
- NCT01515514
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Colorectal Neoplasms, Colorectal Polyps
Effect of Blink-Based Training on Cancer Detection in Colorectal Polyp Images by Medical Students/Non GI-trainees
This study investigates whether a brief educational intervention using Blink features can improve medical students' and non-GI trainees' ability to detect colorectal cancer in static polyp images.
- Trial name
- Blink (NCT07401004)
- Testing
- Blink Features Training Video
- Where
- Belgium
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Colorectal Polyps
Role of Computer-Aided Detection Colonoscopy in Polyp Detection Rate
High-definition (HD) colonoscopy is the gold standard for early diagnosis and treatment of lower gastrointestinal neoplasms, with the adenoma detection rate (ADR) serving as a key quality indicator due to its inverse correlation…
- Trial name
- CADEC (NCT07171333)
- Testing
- Colonoscopy with CADe system
- Where
- Italy
- Volunteers
- 421 people, healthy volunteers welcome
- Sponsor
- Gian Eugenio Tontini
Colorectal Polyps
A Trial of an Audit and Feedback Report to Improve Colonoscopy Performance
This project aims to measure the impact of a physician report card (also called an audit \& feedback report) on colonoscopy performance.
- Trial name
- NCT02595775
- Testing
- Individualized A/F report, A/F report plus a high intensity intervention, A/F report plus a low intensity intervention
- Volunteers
- 833 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Colorectal Cancer, Colorectal Cancer Stage I
Web-based Learning Module on Optical Diagnosis of Early Colorectal Cancer
International guidelines recommend deciding the treatment of colorectal lesions based on the estimated histology by endoscopic optical diagnosis.
- Trial name
- LODIP (NCT05663788)
- Testing
- E-learning module
- Where
- 12 sites in United States, Japan and 2 more
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Althaia Xarxa Assistencial Universitària de Manresa
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