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Combined Chromoendoscopy and Water Method for Screening Colonoscopy

Colon Polyp Clinical Trial

Official title:
Randomized Controlled Trial (RCT) to Compare Adenoma Detection Rate of Combined Chromoendoscopy (Indigo Carmine) With Water Infusion in Lieu of Air Insufflation (Water Method) vs. Water Method Alone in Screening Colonoscopy

Clinical Trial Summary

In a RCT in screening colonoscopy subjects, we will determine if chromoendoscopy using a dilute solution of Indigocarmine (IC) delivered by the water method (study method) will improve adenoma detection rate compared with the water method with plain water alone (control method).

Clinical Trial Description

Background: Warm water infusion in lieu of air insufflation (water method) improves overall success of screening colonoscopy and our retrospective data indicate a higher adenoma detection rate. Dye spray methods to improve neoplastic polyp detection such as targeted staining or pancolonic chromoendoscopy have been described.

Aim: In a RCT in screening colonoscopy subjects, we will determine if chromoendoscopy using a dilute solution of Indigocarmine (IC) delivered by the water method (study method) will improve adenoma detection rate compared with the water method with plain water alone (control method).

Methods: After informed consent patients undergoing screening colonoscopy will be randomized to be examined by the study or control method. Study method will employ a 0.008% IC solution. Control method will employ plain water. The water method in both study and control groups will be applied as previously described. The colonoscopy will be performed under sedation. Primary outcome measure: adenoma detection rate; secondary outcome: relevant procedure-related variables. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind (Subject), Primary Purpose: Screening

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01383265
Study type Interventional
Source VA Northern California Health Care System
Contact
Status Completed
Phase N/A
Start date March 2010
Completion date June 2013
View Details
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