Prospective RCT Of Water Exchange (WE) vs. WE Plus Cap-Assisted Colonoscopy
Public ClinicalTrials.gov record NCT03160859. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Prospective RCT of Water Exchange (WE) vs. WE Plus Cap-Assisted Colonoscopy
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a study to compare two different, but normally, used methods of colonoscopy in patients undergoing colonoscopy without sedation. There will be two arms in this study: WE (water exchange) control, and WE (water exchange) plus cap (placed at tip of the colonoscope). The patient will prepare himself/herself for the colonoscopy as per normal instructions and he/she will be given the information for the study at that time so that he/she can make a decision to participate in the study. The control method will use water instead of air during insertion of the colonoscope. The study method will use a cap that will fit onto the end of the colonoscope plus water during insertion of the colonoscope. This study will assess if the study method is less painful than the control method.
Study identification
- NCT ID
- NCT03160859
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 280 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 50 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 7, 2018
- Primary completion
- Oct 27, 2022
- Completion
- Oct 27, 2022
- Last update posted
- Dec 11, 2023
2018 – 2022
United States locations
- U.S. sites
- 3
- U.S. states
- 1
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VA Palo Alto Health Care System, Palo Alto, CA | Palo Alto | California | 94304-1290 | — |
| VA Northern California Health Care System, Mather, CA | Sacramento | California | 95655 | — |
| VA Greater Los Angeles Healthcare System, Sepulveda, CA | Sepulveda | California | 91343 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03160859, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 11, 2023 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03160859 live on ClinicalTrials.gov.