Clinical trials: Rectal Polyp
Attenuated Familial Adenomatous Polyposis, Colorectal Carcinoma
Testing Obeticholic Acid for Familial Adenomatous Polyposis
This phase IIa trial investigates if giving obeticholic acid (OCA) is safe and has a beneficial effect on the number of polyps in the small bowel and colon in patients with familial adenomatous polyposis (FAP).
- Conditions
- Attenuated Familial Adenomatous Polyposis, Colorectal Carcinoma, Duodenal Carcinoma, Familial Adenomatous Polyposis
- Trial name
- NCT05223036
- Testing
- Biopsy Procedure, Biospecimen Collection, Gastrointestinal Endoscopy
- Where
- 7 sites in United States, Puerto Rico
- Volunteers
- 15 people
- Sponsor
- National Cancer Institute (NCI)
Colorectal Cancer, Polyps
Vitamin D/Calcium Polyp Prevention Study
Extensive experimental and observational data suggest that intake of calcium and of vitamin D exert protective effects on colorectal neoplasia.
- Conditions
- Colorectal Cancer, Polyps, Adenomas
- Trial name
- NCT00153816
- Testing
- Calcium Carbonate, Vitamin D3
- Where
- 11 sites in United States, Puerto Rico
- Volunteers
- 2,813 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Colorectal Cancer, Advanced Adenocarcinoma
A Multicenter Clinical Trial of Stool-based DNA Testing for Early Detection of Colon Cancer in China
According to data from Global Cancer Statistics 2018, colorectal cancer (CRC) ranks second in incidence and fifth in mortality among all cancers in China.
- Conditions
- Colorectal Cancer, Advanced Adenocarcinoma, Hyperplastic Polyp, Colorectal Neoplasms
- Trial name
- NCT04722055
- Testing
- Multigene Methylation Detection Kit
- Where
- China
- Volunteers
- 1,273 people, healthy volunteers welcome
- Sponsor
- Creative Biosciences (Guangzhou) Co., Ltd.
Colon Cancer
Cancer Control Following Polypectomy
This study evaluates strategies for the surveillance of post-polypectomy patients for the control of bladder cancer
- Trial name
- NCT00591279
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Colorectal Cancer, Polyps of Colon
Detection of Colorectal Cancer in Patients With a Positive Fecal Immunochemical Test Using an Electronic Nose Device (AeoNoseTM)
The present study aims to investigate the diagnostic accuracy of exhaled breath analysis with the Aeonose (the eNose Company, Zutphen, the Netherlands) to distinguish the breath of patients suspected for CRC (based on a positive…
- Trial name
- NCT03346005
- Testing
- Aeonose
- Where
- Netherlands
- Volunteers
- 3,345 people
- Sponsor
- Radboud University Medical Center
Rectal Cancer, Colo-rectal Cancer
Pre-therapeutic MRI Assessment of Early-Stage Rectal Cancer and Significant Rectal Polyps to Avoid Major Resectional Surgery
When a patient is diagnosed with a rectal (bowel) polyp or cancer, radiology doctors read MRI scans to describe how deeply the cancer invades into the bowel wall (this is the 'stage' of the cancer).
- Trial name
- PRESERVE (NCT04103372)
- Testing
- MRI scan, Radiologist training
- Where
- 23 sites in United Kingdom
- Volunteers
- 200 people
- Sponsor
- Imperial College London
Colorectal Cancer, Familial Adenomatous Polyposis
DNA Adductomics for Colorectal Cancer Investigation
This project seeks to identify DNA-adducts in colon tissue from different groups of patients with CRC scheduled for complete or partial colon resections. Other patients scheduled for resection of the colon serve as controls.
- Conditions
- Colorectal Cancer, Familial Adenomatous Polyposis, Hereditary Non-polyposis Colon Cancer, Lynch Syndrome
- Trial name
- adductomics (NCT04865601)
- Testing
- resectomy of the colon
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Fistula-in-ano, Rectal Polyp
Trial on Use of Coloshield in Transanal and Anal Surgery
In various transanal and anal procedures it is desirable to clean the operating field from stool contamination. Thus mechanical bowel preparation is not well tolerated by patients. Enema does not provide sufficient effect.
- Conditions
- Fistula-in-ano, Rectal Polyp, Rectal Adenoma, Hemorrhoids
- Trial name
- NCT02579330
- Testing
- Coloshield, Control
- Where
- Switzerland
- Volunteers
- 22 people
- Sponsor
- Daniel Steinemann, MD
Colorectal Polyp, Colorectal Cancer
Computer-aided Detection During Screening Colonoscopy
Nowadays, colonoscopy is considered the gold standard for the detection of lesions in the colorectal mucosa. However, around 25% of polyps may be missed during the conventional colonoscopy.
- Conditions
- Colorectal Polyp, Colorectal Cancer, Colorectal Adenoma
- Trial name
- NCT05734820
- Testing
- HD- colonoscopy, HD-colonoscopy assisted by AI
- Where
- Ecuador
- Volunteers
- 312 people
- Sponsor
- Instituto Ecuatoriano de Enfermedades Digestivas
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
Colorectal Cancer, Colorectal Adenoma
Comparison of Expression of Carcinogenesis-related Molecular Markers in the Patients With Colon Cancer and Polyp
A study of carcinogenesis-related molecular markers in the patients with colorectal cancer and colorectal adenoma.
- Trial name
- NCT05638542
- Where
- South Korea
- Volunteers
- 582 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital
Colonic Polyp, Colonic Neoplasms
Real-World Validation of an Artificial Intelligence Characterization Support (CADx) System
Colorectal cancer (CRC) is a leading cause of cancer-related morbidity and mortality worldwide, with rates of CRC predicted to increase. Colonoscopy is currently the gold standard of screening for CRC.
- Conditions
- Colonic Polyp, Colonic Neoplasms, Colonic Dysplasia
- Trial name
- NCT05034185
- Testing
- Computer-aided diagnosis (CADx) support tool
- Where
- Singapore
- Volunteers
- 450 people
- Sponsor
- Changi General Hospital
Colorectal Polyp, Colorectal Neoplasms
Real-time AI-assisted Endocyroscopy for the Diagnosis of Colorectal Lesions
Colorectal cancer (CRC) is the third most common malignancy and the second leading cause of cancer-related death worldwide. Colonoscopy is considered the preferred method of screening for colorectal cancer, and early and…
- Trial name
- NCT06791395
- Testing
- Computer-aided diagnosis (CADx) support tool
- Where
- 3 sites in China
- Volunteers
- 570 people
- Sponsor
- The First Hospital of Jilin University
Colorectal Cancer
Celecoxib in Preventing Polyps in Patients Who Have Undergone Surgery for Stage I Colon Cancer
RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development of cancer. It is not yet known whether celecoxib is effective in preventing polyps in patients with colon cancer.
- Trial name
- NCT00087256
- Testing
- Celecoxib
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- NSABP Foundation Inc
Colorectal Cancer, Colon Cancer
Pilot Study of Colon Cancer Screening Tests
Colon cancer is the second leading cause of cancer death in North America. These deaths are preventable with proper screening. Fecal occult blood testing, virtual colonoscopy, and standard (optical) colonoscopy are all options…
- Conditions
- Colorectal Cancer, Colon Cancer, Adenomatous Polyps
- Trial name
- NCT00865527
- Testing
- Fecal occult blood test, Virtual colonoscopy, Optical colonoscopy
- Where
- Canada
- Volunteers
- 198 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Colorectal Cancer, Colorectal Adenoma
The Implementation of Genetic Risk for Colorectal Cancer Screening
The goal of this study is to investigate genetic risk for colorectal cancer utilizing polygenic risk scores (PRS) for adults over 45 who have not received their first colonoscopy. The main questions it hopes to address are: 1.
- Conditions
- Colorectal Cancer, Colorectal Adenoma, Colorectal Polyp
- Trial name
- PRO-GENE-COLON (NCT07621757)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Endeavor Health
Colorectal Cancer, Polyp of Colon
Hybrid-sensor Breath Analysis for Colorectal Cancer Screening
The aim of this project is to promote the breath volatile marker concept for colorectal cancer (CRC) screening by advancing developing the application of a novel hybrid analyzer for the purpose.
- Trial name
- HYCOR (NCT05173077)
- Testing
- Identification of specific VOCs in CRC tissue surgery material, Secondary validation study in general CRC screening settings, Breath sampling for VOC detection
- Where
- Latvia
- Volunteers
- 3,000 people
- Sponsor
- University of Latvia
Colorectal Carcinoma, Familial Adenomatous Polyposis
An Investigational Drug (TPST-1495) in Patients With Familial Adenomatous Polyposis
This open-label phase II trial tests how well TPST-1495 works in reducing the number of polyps in the small bowel and colon in patients with familial adenomatous polyposis (FAP).
- Trial name
- NCT06557733
- Testing
- Biopsy Procedure, Biospecimen Collection, EP2/EP4 Antagonist TPST-1495
- Where
- 4 sites in United States
- Volunteers
- 38 people
- Sponsor
- National Cancer Institute (NCI)
Adenomatous Polyp, Colorectal Cancer
Trial of Metformin for Colorectal Cancer Risk Reduction for History of Colorectal Adenomas and Elevated BMI
The purpose of this study is to find out whether METFORMIN decreases protein markers in colorectal tissue. This is a phase IIA study of the pharmacodynamics, safety and tolerability of Metformin in decreasing colorectal mucosa in…
- Conditions
- Adenomatous Polyp, Colorectal Cancer, Obesity
- Trial name
- NCT01312467
- Testing
- metformin hydrochloride
- Where
- 4 sites in United States, Canada
- Volunteers
- 45 people
- Sponsor
- National Cancer Institute (NCI)
Colorectal Neoplasms
Impact of Experience on Results With the Third Eye Retroscope
The Third Eye Retroscope is a device that can be used with a colonoscope to improve the ability of a physician to see areas of the colon that may be hidden from the view of the colonoscope.
- Trial name
- NCT00969124
- Testing
- Third Eye Retroscope
- Where
- 9 sites in United States
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Avantis Medical Systems