Clinical trials: Colonoscopy Insertion
Colonic Diseases
Trendelenberg Versus Left Lateral Position for Colonoscopy
The purpose of this study is to determine if the trendelenberg (TD) position (position in procedures that involves placing the patient at an angle so that their head is lower than their feet on the procedure bed) in select…
- Trial name
- NCT02519686
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Washington University School of Medicine
Colon Polyp, Colon Adenoma
Impacts of Inspection During Instrument Insertion on Colonoscopy Quality
Small colon polyps which are found during colonoscopy insertion are sometimes difficult to find during withdrawal and thus missed.
- Trial name
- NCT03444090
- Testing
- Colon polypectomy
- Where
- Taiwan
- Volunteers
- 428 people, healthy volunteers welcome
- Sponsor
- Evergreen General Hospital, Taiwan
Insertion Time
A Novel Clinically Usable Point Score To Prejudge The Complexity Of Colonoscopy
Colonoscopy is the current common method for management of colorectal diseases, and effectiveness of colonoscopy associate with complication rate.
- Trial name
- NCT02105025
- Where
- China
- Volunteers
- 612 people, healthy volunteers welcome
- Sponsor
- Air Force Military Medical University, China
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
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 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
Polyps, Neoplasms
Advanced Endoscopic Imaging in Colonoscopy
The aim of the study is to evaluate the usefulness of high-tech endoscopy in clinical practice. The important elements of this evaluation are: Evaluation of the character of neoplastic lesions in the colon based on different…
- Trial name
- AEI (NCT02929381)
- Testing
- Innovative colonoscopy (Olympus CF-HQ190L, NBI + Dual Focus), Conventional colonoscopy (Olympus CF-H180DL)
- Where
- Poland
- Volunteers
- 400 people
- Sponsor
- Miroslaw Szura
Insertion Time
Usefulness of Cap-assisted Colonoscopy in Patients With Prior Abdominal Surgery
The potential benefit of using the cap is that it helps in luminal orientation at bends by keeping the colonic mucosa away from the lens at the colonoscope tip.
- Trial name
- NCT03016962
- Testing
- cap-assisted colonoscopy, Standard colonoscopy
- Volunteers
- 1,046 people
- Sponsor
- The Catholic University of Korea
Colorectal Cancer, Colorectal Polyps
Does Inspection During Insertion Improve Adenoma Yields During Colonoscopy?
Colonoscopy is not a perfect test. It misses a substantial number of neoplastic lesions and has some risk of missing cancer. Nearly all work on detection during colonoscopy has focused on the withdrawal phase of the examination.
- Trial name
- NCT01035775
- Testing
- Inspection during insertion, Inspection during withdrawal
- Where
- 2 sites in United States
- Volunteers
- 340 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Colonoscopy
Right or Left for Colonoscopy?
Colonoscopy is technically challenging. Conventionally, colonoscopy begins with patients positioned in the left lateral position.
- Trial name
- ROLCOL (NCT02305706)
- Testing
- starting position in colonoscopy
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Imperial College Healthcare NHS Trust
Colonic Polyp, Colonic Adenoma
Abdominal Compression Administered Early by the Colonoscopist During Water Exchange Colonoscopy
Loop formation is the most frequent cause of cecal intubation failure during colonoscopy. To reduce the loop formation, external abdominal pressure is widely used and proved to be helpful.
- Trial name
- NCT03954561
- Testing
- endoscopist-administered abdominal compression, assistant-administered abdominal compression
- Where
- Taiwan
- Volunteers
- 120 people
- Sponsor
- Dalin Tzu Chi General Hospital
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
Colorectal Disorders
Difficult Colonoscopy and Personality Traits
The cecal intubation time (CIT) refers to the time required for the tip of the colonoscope to reach the cecum from passing through the anus. A prolonged CIT is considered a marker of difficulty in colonoscopy.
- Trial name
- NCT06531226
- Testing
- Fill in personality questionnaires
- Where
- China
- Volunteers
- 450 people
- Sponsor
- Qilu Hospital of Shandong University
Obscure Gastrointestinal Bleeding, Anemia, Iron Deficiency
Depth of Maximal Ileal Insertion During Retrograde Enteroscopy With TTS Balloon
Diagnostic modalities for the evaluation of small bowel pathology include video capsule endoscopy (VCE), antegrade and retrograde device-assisted enteroscopy, CT and MR enterography (1).
- Trial name
- NaviAid2 (NCT04646083)
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Texas Tech University Health Sciences Center, El Paso
Polyps, Neoplasms
Trial on Innovative Technologies in Colonoscopy
The trial will compare results of screening colonoscopy performed by means of conventional colonoscopy and using new visualisation techniques during endoscopic examination.
- Conditions
- Polyps, Neoplasms, Inflammatory Bowel Disease
- Trial name
- RCT-IC (NCT01688557)
- Testing
- Innovative colonoscopy (Olympus CF-HQ190F, NBI + Dual Focus), Conventional colonoscopy (Olympus CF-H180DL)
- Where
- 2 sites in Poland
- Volunteers
- 600 people
- Sponsor
- Jagiellonian University
Colonoscopy Insertion
Left Lateral Tilt-down Position During Colonoscopy Insertion
The purpose of this study is to determine whether the left lateral tilt-down position, which includes procedures that involve placing patients on their left lateral side at an angle to make their heads lower than their feet, is…
- Trial name
- NCT02842489
- Testing
- left lateral tilt-down position, left lateral horizontal position
- Where
- China
- Volunteers
- 258 people
- Sponsor
- Changhai 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
Pain, Colorectal Adenomas
Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy
Insufflation of the colon, usually with room air, is necessary to distend the lumen for exploration. Carbon dioxide (CO2) insufflation instead of room air insufflation (AI) has been shown to decrease symptoms of abdominal pain or…
- Conditions
- Pain, Colorectal Adenomas, Colorectal Cancer
- Trial name
- NCT01954862
- Testing
- Air Insufflation method., CO2 insufflation, Water Immersion/CO2
- Where
- 3 sites in United States, Czechia and 1 more
- Volunteers
- 624 people
- Sponsor
- Presidio Ospedaliero Santa Barbara
Colonoscopy, Colon Disease
The efficacy of the Integrated Water Jet Channel Colonoscopy in Water Exchange Method
This prospective randomized controlled trial compared integrated water jet channel colonoscopy with traditional accessory channel colonoscopy in cecal insertion time among patients undergoing WE method colonoscopy.
- Trial name
- NCT03279705
- Testing
- Water jet channel, Accessory channel
- Where
- Taiwan
- Volunteers
- 120 people
- Sponsor
- Chih-wei Tseng