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Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study

ClinicalTrials.gov ID: NCT01288833

Public ClinicalTrials.gov record NCT01288833. 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.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 9:29 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Real Time Colorectal Polyp Diagnosis in Colorectal Cancer Screening Using Close Focus High Definition Narrow Band Imaging Colonoscopy Compared to Conventional Histopathology Diagnosis - the VALID (Veterans Affairs Lesion Interpretation and Diagnosis) Colonoscopy Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The investigators hypothesize that high definition colonoscopy with close focus narrow band imaging features has a high diagnostic accuracy for colorectal polyp histology, and can replace formal pathologic assessment in cases of high diagnostic confidence.

Study identification

NCT ID
NCT01288833
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Enrollment
558 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Mar 2011 (Type not available)
Primary completion
Jun 2015 (Actual)
Completion
Oct 2015 (Actual)
Last update posted
Jun 1, 2018

2011 – 2015

United States locations

U.S. sites
2
U.S. states
2
U.S. cities
2
Facility City State ZIP Site status
Veterans Affairs Palo Alto Palo Alto California 94304 —
Veterans Affairs Kansas City Kansas City Missouri 64128 —

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 NCT01288833, 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 Jun 1, 2018 · Synced Oct 23, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01288833 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →