Clinical trials: Colonoscopy Technique
Colonic Polyps, Adenoma
Comparative Study of Colon Capsule and Virtual Colonoscopy (VICOCA)
Summary Colorectal cancer (CRC) represents the second leading cause of cancer deaths in Spain (11,000 deaths per year). Screening of the population over 50 years of age with no significant history (intermediate risk) is…
- Trial name
- VICOCA (NCT02081742)
- Where
- Spain
- Volunteers
- 349 people
- Sponsor
- Begoña González Suárez
Colon Polyp
Combined Chromoendoscopy and Water Method for Screening Colonoscopy
In a RCT in screening colonoscopy subjects, we will determine if chromoendoscopy using a dilute solution of Indigocarmine (IC) delivered by the water method (study method) will improve adenoma detection rate compared with the…
- Trial name
- NCT01383265
- Testing
- Water method and chromoendoscopy, Water method
- Where
- United States
- Volunteers
- 1,177 people
- Sponsor
- VA Northern California Health Care System
Cognition, Sedation
Cognitive Function in Geriatric Colonoscopy Patients
Procedures such as colonoscopy cause discomfort and pain and are therefore performed under sedation and analgesia. Although patients aged 65 and older frequently undergo colonoscopy procedures, it is unclear to what extent the…
- Conditions
- Cognition, Sedation, Geriatric Anesthesia, Frailty
- Trial name
- NCT07384169
- Testing
- Propofol Group, Dexmedetomidine group
- Where
- Turkey (Türkiye)
- Volunteers
- 164 people
- Sponsor
- Ankara City Hospital Bilkent
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
Colon Neoplasm
Comparing Water Exchange, Water Immersion and Air Insufflation Methods During Colonoscopy With the Option of on Demand Sedation
This prospective, randomized controlled trial compares traditional air insufflation with water immersion and water exchange in patients undergoing colonoscopy using on demand sedation.
- Trial name
- NCT01699399
- Testing
- water immersion, water exchange, air insufflation
- Where
- Taiwan
- Volunteers
- 225 people
- Sponsor
- Dalin Tzu Chi General Hospital
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
Colonoscopy, Digestive System
Clinical Evaluation of Water Immersion Colonoscopy Insertion Technique
Recent studies indicate that infusing 300 milliliters of water (in lieu of air) into the rectum and left colon through the colonoscope as it is being inserted during a colonoscopy examination can allow easier endoscope…
- Conditions
- Colonoscopy, Digestive System, Endoscopy, Gastrointestinal Disease
- Trial name
- NCT00671177
- Testing
- water immersion colonoscopy, standard air colonoscopy
- Where
- United States
- Volunteers
- 229 people
- Sponsor
- VA Palo Alto Health Care System
Colonoscopy Technique
Position Changes During Colonoscope Insertion Increases Patient Comfort
The investigators wish to study the effects of position changes during colonoscope insertion on patient comfort. The investigators hypothesize that early position changes would reduce colonoscope loop formation and patient…
- Trial name
- NCT01433939
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- Jennifer Telford
Effect of Endoscope Water Pump Flow Rates
The Effect of Endoscope Water Pump Flow Rates on Successful Unsedated Colonoscopy by Water Immersion Method: a Randomized Controlled Trial
The purpose of this study is to compare the cecal intubation rate between two endoscopy water pump with different flow rates (1.7 ml/sec vs 10.4 ml/sec) in water immersion colonoscopy examination in unsedated patients undergoing…
- Trial name
- NCT01869296
- Testing
- higher flow rates, lower flow rates
- Where
- Indonesia
- Volunteers
- 132 people
- Sponsor
- Gadjah Mada University
Colon Disease, Bidirectional Endoscopy
Comparison of Procedural Sequences in Same-day Painless Bidirectional Endoscopy With Colonoscopic Water Exchange Method
This prospective randomized controlled trial is to compare evaluate the optimal procedure sequence among patients undergoing water exchange colonoscopy.
- Trial name
- NCT03638713
- Testing
- colonoscopy first, EGD first
- Where
- Taiwan
- Volunteers
- 200 people
- Sponsor
- Dalin Tzu Chi General Hospital
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
Colonoscopy
The Carbon Footprint Study of Colonoscopy
With global warming intensifying, GI endoscopy is among the top three greenhouse gas-emitting medical procedures. Colonoscopy, a cornerstone for colorectal cancer (CRC) screening, significantly contributes to the carbon footprint…
- Trial name
- NCT07171853
- Where
- Thailand
- Volunteers
- 362 people
- Sponsor
- King Chulalongkorn Memorial 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
Inflammatory Bowel Diseases
A Prospective Study of the Effect of Modified Colonoscopy Bowel Preparation Program on Intestinal Cleaning, Examination and Disease in Patients With Inflammatory Bowel Disease
The purpose of this study is to investigate the effect of modified colonoscopy bowel preparation method compared with traditional method on bowel cleansing effect, colonoscopy examination effect and clinical condition of…
- Trial name
- NCT05485103
- Testing
- Polyethylene Glycols
- Where
- 9 sites in China
- Volunteers
- 144 people
- Sponsor
- Peking Union Medical College Hospital
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
Diverticulosis
Evaluate the Safety and Diagnostic Advantages of Tilt Down Verses Standard Horizontal Colonoscopy Positioning
A tortuous sigmoid colon makes colonoscopy difficult. The purpose of this study was to systematically evaluate the diagnostic utility and incidence of adverse events in women using standard horizontal compared to lateral tilt…
- Trial name
- CTDTTIE (NCT01815671)
- Testing
- colonoscopy in the lateral horizontal position
- Where
- United States
- Volunteers
- 173 people
- Sponsor
- Specialists in Gastroenterology, LLC
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
Colon Polyp
Unsedated Colonoscopy for Colorectal Cancer Screening and Surveillance
In a prospective, randomized, controlled study, two methods (water method vs. air method) of performing colonoscopy will be compared in patients undergoing unsedated colonoscopy for CRC screening.
- Trial name
- NCT01383252
- Testing
- Water infusion in lieu of air insufflation, Air method
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- VA Northern California Health Care System