Clinical trials: Colonoscopy Insertion
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
Polyp, Pain
Left-colon WEC May Reduce Insertion Time Compared With Whole-colon WEC.
In most of situation, left colon (especially SD junction) is considered the most difficult part of colonoscopy, where endoscopist may encounter difficulty for scope insertion and patients may feel pain or uncomfortable.
- Trial name
- NCT01735266
- Testing
- Air colonoscopy, Water exchange colonoscopy
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Air Force Military Medical University, China
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
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
Colonoscopy Insertion, Patient Position
Supine Position for Colonoscopy Insertion
The purpose of this study is to determine whether the supine position is better than the left lateral horizontal body position to decrease cecal intubation time, patients' pain and the difficulty of colonoscopy insertion.
- Trial name
- NCT03289442
- Testing
- supine position
- Where
- China
- Volunteers
- 347 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Colorectal Cancer
Colonoscope Insertion Trial Protocol
This research study is about determining how well a Technically Improved Colonoscope from Olympus works in helping the doctor in guiding the scope through the large bowel or colon.
- Trial name
- NCT01324882
- Testing
- Colonoscopy with Olympus Technically Improved Colonoscope, Control with standard colonoscope Olympus CF-H180
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- UConn Health
the Difficulty of Colonoscopy Insertion
A Study on a New Indicator for Assessing the Difficulty of Colonoscopy Insertion and Its Related Factors
This study will include adult patients undergoing painless colonoscopy at our hospital. The time required for endoscope insertion to reach the cecum (Cecal Intubation Time, CIT) by physicians of different experience levels will…
- Trial name
- NCT07228715
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Second Hospital of Jilin University
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
Adenoma of Large Intestine
Adenoma Detection by Polypectomy During Both Insertion and Withdrawal
Standard method of colonoscopy is to insert the colonoscope rapidly to reach the cecum, with careful inspection and polypectomy during the withdrawal phase. However, small polyps (e.g.
- Trial name
- NCT01925833
- Testing
- Both insertion and withdrawal, Only withdrawal
- Volunteers
- 1,142 people
- Sponsor
- The Catholic University of Korea