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Procedure

CAP-straight for Colon Polyps (ASGE Trial)

N/A
Waitlist Available
Led By Felix W Leung, MD
Research Sponsored by VA Greater Los Angeles Healthcare System
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 2 years
Awards & highlights
No Placebo-Only Group

Summary

This trial compares three methods of performing a colonoscopy to see which is best at finding polyps. It involves patients who need regular colonoscopies. The methods use water to guide the scope, with two methods adding a small cap to improve visibility.

Eligible Conditions
  • Colon Polyps
  • Colonoscopy

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~2 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and 2 years for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Adenoma detection rate
Secondary study objectives
Boston bowel preparation score
Cecal intubation
Cecal intubation time
+2 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

3Treatment groups
Experimental Treatment
Active Control
Group I: CAP-straightExperimental Treatment2 Interventions
A straight transparent cap was fitted to the colonoscope per manufacturer instruction.Residual air in the colon will be removed, water will be infused to guide insertion through an airless lumen. Infused water will be removed by suction, along with residual fecal debris, predominantly during insertion.
Group II: CAP-daisyExperimental Treatment2 Interventions
A daisy cap transparent cap was fitted to the colonoscope per manufacturer instruction.Residual air in the colon will be removed, water will be infused to guide insertion through an airless lumen. Infused water will be removed by suction, along with residual fecal debris, predominantly during insertion. Note: IRB Approval date for the use of Endocuff at St. Barbara Hospital, Iglesias (CA), Italy, was obtained on 3/8/2017. IRB Approval date for the use of Endocuff at Evergreen General Hospital, Taipei, Taiwan, was obtained on 3/18/2021.
Group III: WaterActive Control1 Intervention
Residual air in the colon will be removed, water will be infused to guide insertion through an airless lumen. Infused water will be removed by suction, along with residual fecal debris, predominantly during insertion.

Find a Location

Who is running the clinical trial?

University of California, Los AngelesOTHER
1,560 Previous Clinical Trials
10,257,304 Total Patients Enrolled
1 Trials studying Colon Polyps
500 Patients Enrolled for Colon Polyps
VA Greater Los Angeles Healthcare SystemLead Sponsor
51 Previous Clinical Trials
6,787 Total Patients Enrolled
Felix W Leung, MDPrincipal InvestigatorVA Greater Los Angeles Healthcare System
3 Previous Clinical Trials
345 Total Patients Enrolled
~222 spots leftby Nov 2025