Clinical trials: Colonoscopy Technique
Adenomatous Polyp, New Imaging Techniques in Colonoscopy
Narrow Band Imaging Colon Polyp Study
In this study the investigators hypothesize that High Definition White Light colonoscopy and narrow band imaging (NBI) will detect a higher number of adenomas compared to standard definition white light colonoscopy.
- Trial name
- NCT00614770
- Testing
- standard of care colonoscopy, colonoscopy
- Where
- 2 sites in United States
- Volunteers
- 630 people, healthy volunteers welcome
- Sponsor
- Kansas City Veteran Affairs Medical Center
Colonoscopy, Colon Disease
Three Distraction Methods for Pain Reduction During Colonoscopy
Colonoscopy is a common procedure to evaluate the gastrointestinal tract. The colonoscopy procedure can sometimes be uncomfortable and painful for the patient.
- Trial name
- NCT05378165
- Testing
- Music group, Stress ball group, Video group
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kastamonu University
Colonic Transendoscopic Enteral Tubing
Methods of Colonic Transendoscopic Enteral Tubing
Colonic transendoscopic enteral tubing (TET) is a novel, safe, convenient, and reliable way for fecal microbiota transplantation (FMT) and the whole-colon enema treatment.
- Trial name
- NCT03621033
- Testing
- colonic transendoscopic enteral tubing
- Where
- 2 sites in China
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- The Second Hospital of Nanjing Medical University
Colorectal Neoplasms
Risk-adapted Screening in First-degree Relatives of Patients With Colorectal Cancer
BACKGROUND: First-degree relatives of patients with colorectal cancer are at increased risk for colorectal cancer as well. Nevertheless, participation in the German national screening program stagnates at 2-3 percent per year…
- Trial name
- FAMKOL (NCT01903395)
- Testing
- Nurse-led counselling
- Where
- 33 sites in Germany
- Volunteers
- 313 people, healthy volunteers welcome
- Sponsor
- Martin-Luther-Universität Halle-Wittenberg
Colorectal Adenoma, Colorectal Polyp
Examining Techniques on Adenoma Miss Rate in Proximal Colon
The primary aim of this study is to explore the usefulness of re-examination and retroflexion on adenoma miss rate (AMR) in the proximal colon.
- Trial name
- SINOCOLO2017 (NCT03355443)
- Testing
- Retroflexion, Re-examination
- Where
- 3 sites in China
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Bowel Preparation Before Colonoscopy
Improved Bowel Preparation Method for Colonoscopy Based on Different Risk Stratification
The purpose of this study is to evaluate the efficacy of polyethylene glycol（PEG） combined with lactulose for bowel preparation before colonoscopy in low-risk patients and high-risk patients.
- Trial name
- NCT04582942
- Testing
- PEG, PEG+lactulose
- Where
- China
- Volunteers
- 2,028 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Colonic Neoplasms
Clinical Evaluation of Narrow Band Imaging Colonoscope
The purpose of the study is to determine if colonoscopic examination using a colonoscope with a narrow band imaging light is more effective at detecting polyps compared to a colonoscope with standard full spectrum white light.
- Trial name
- NCT00628147
- Testing
- Narrow band imaging colonoscope
- Where
- United States
- Volunteers
- 284 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Colonoscopy
The Comparative Study Between Bowel Preparation Method
The purpose of this study is to compare the efficacy, acceptability and preparation-induced mucosal inflammation of PEG + ascorbic acid vs. PEG for colonoscopy.
- Trial name
- CSBPM (NCT01964417)
- Testing
- Colonoscopy after bowel cleansing
- Where
- South Korea
- Volunteers
- 319 people, healthy volunteers welcome
- Sponsor
- Inje University
Ambulatory Patients Referred for a First-time Colonoscopy
Sedation Effect on the Global Quality Colonoscopy
This study aims to assess the impact of the use of sedation on the overall quality of the colonoscopy, therefore addressing each and every one of its dimensions, namely: scientific and technical quality, perceived quality and…
- Trial name
- NCT02220530
- Testing
- Conscious sedation with iv midazolam and fentanyl.
- Where
- Spain
- Volunteers
- 7,000 people, healthy volunteers welcome
- Sponsor
- Hospital San Juan de Dios Tenerife
Gastroenterology
Outcome of Colonoscopy Screening and Surveillance
With this study, we plan to review the performance of colonoscopy in colon cancer screening and surveillance, especially with the recent improvements in endoscopic technology (high definition endoscopes), use of split dose…
- Trial name
- NCT01827241
- Testing
- Chart Review
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Colorectal Cancer
RCT of Air Insufflation Versus Water Infusion Colonoscopy by Supervised Trainees
Our aim is to perform a randomized-controlled trial comparing air insufflation sedated colonoscopy (conventional method) vs. water infusion sedated colonoscopy (study method) by supervised trainees.
- Trial name
- NCT00841282
- Testing
- Colonoscopy for colorectal cancer screening, Water Infusion Colonoscopy, Air insufflation colonoscopy
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- East Bay Institute for Research and Education
Polyps
Experience and Enhancement: Improving Colonoscopic Polyp Detection
The study looks at 2 hypotheses in 2 patient groups: 1. Are more experienced endoscopists better at detecting subtle lesions (polyps) on the lining of the colon (large bowel) than less experienced endoscopists? 2.
- Trial name
- NCT00237276
- Testing
- colonoscopy
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- London North West Healthcare NHS Trust
Healthy
Effect of Teach-Back Method in Colonoscopy
This study aims to evaluate the effect of the training given to the relatives of patients undergoing colonoscopy with the Teach-Back Method on anxiety and knowledge level.
- Trial name
- NCT06841991
- Testing
- Teach Back Education
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Tarsus University
Colonoscopy
Comparing Warm Versus Cool Temperature Water During Colonoscopy
The purpose of this study will be to determine if the temperature of water used during insertion of colonoscopy makes a difference in patient discomfort and sedation requirements.
- Trial name
- NCT01322724
- Testing
- Warm vs Cool water
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- OHSU Knight Cancer Institute
Colorectal Neoplasms
Comparative Efficacy of Water & Indigo Carmine vs. Water or Air Method on Adenoma Detection Rate (ADR) - a Randomized Controlled Trial (RCT)
Adenoma detection rate (ADR) is a quality indicator of colonoscopy performed for colorectal cancer screening. Population studies have shown that traditional air colonoscopy fails to eliminate post screening colonoscopy cancers or…
- Trial name
- NCT01607255
- Testing
- Indigo carmine, water (exchange) method, water (exchange) plus dye method
- Where
- United States
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Colorectal Cancer
A Comparison of Methods to Detect Polyps During Colonoscopy
Colorectal cancer (CRC) is the third most common cancer and second leading cause of cancer deaths in western countries. Colonoscopy is a preferred colorectal screening modality since it has both diagnostic and therapeutic…
- Trial name
- NCT01025960
- Testing
- Standard Inspection Colonoscopy, Dual Inspection Colonoscopy
- Where
- United States
- Volunteers
- 768 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Colorectal Cancer
RCT of Air Insufflation Versus Water Infusion Colonoscopy
Compared with the conventional (air) method, patients examined by the study (water) method have lower pain scores and require less medication but have similar cecal intubation rate and willingness to repeat future colonoscopy.
- Trial name
- NCT00785889
- Testing
- water infusion colonoscopy
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- East Bay Institute for Research and Education
Colonic Polyp, Colonic Diseases
Optical Polyp Testing for In Vivo Classification
Small growths detected in the colon (polyps) during a colonoscopy may or may not have the potential to develop into cancer. However, since visual inspection alone cannot separate all potentially harmful polyps from harmless ones…
- Conditions
- Colonic Polyp, Colonic Diseases, Colonic Neoplasms, Colonic Adenoma
- Trial name
- OPTIC (NCT03139942)
- Testing
- Optical spectral reflectance and autofluorescence imaging
- Where
- United Kingdom
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Screening of Colonic Polyps
Techniques to Enhance Patient Comfort in Sedation-risk Free Colonoscopy
Hypotheses 1. Loading the sigmoid colon with warm water and warm water irrigation for dealing with spasm (Study Treatment) will significantly reduce the proportion of patients complaining of abdominal discomfort compared with no…
- Trial name
- NCT01076907
- Testing
- Warm water, Control
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- VA Greater Los Angeles Healthcare System
Colon Polyp
Water-only Versus Water-CO2 (Hybrid) Colonoscopy Insertion Technique
The colonoscopy procedure involves insertion of a thin, flexible tube with a tiny camera inside (colonoscope) passed inside the bowel.
- Trial name
- WAVE (NCT04710706)
- Testing
- Colonoscopy insertion technique used during procedure
- Where
- United Kingdom
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- London North West Healthcare NHS Trust