NBI Versus Indigo Carmine During Colonoscopy in Lynch Syndrome
LYNCH-CHROMO
Comparison of Colonoscopy With Virtual Chromoendoscopy Using 3rd Generation NBI System to Chromoendoscopy With Indigo Carmine in Lynch Patients.
2 other identifiers
interventional
141
1 country
7
Brief Summary
This study compares two colonoscopy techniques (with Narrow Band Imaging versus with indigo carmine chromoendoscopy) in patients having Lynch Syndrome
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Nov 2015
Typical duration for not_applicable
7 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 30, 2015
CompletedFirst Posted
Study publicly available on registry
October 7, 2015
CompletedStudy Start
First participant enrolled
November 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2018
CompletedSeptember 23, 2019
September 1, 2019
2.1 years
September 30, 2015
September 20, 2019
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of adenomas and / or adenocarcinoma detected during each procedure (NBI vs Indigo carmine)
The adenoma detection rate (number of adenoma and/or adenocarcinoma) of NBI and the additional adenoma detection rate of indigo carmine.
procedure time
Secondary Outcomes (4)
All neoplastic lesions detected during colonoscopy
procedure time
Cost of each procedure (NBI vs Indigo carmine)
Procedure time
Duration of each procedure (NBI vs Indigo carmine)
Procedure time
Number of subject with adverse events as mesure of safety.
One month after colonoscopy
Study Arms (2)
Indigo carmine colonoscopy
ACTIVE COMPARATORColonoscopy using indigo carmine is performed in second place
NBI colonoscopy
EXPERIMENTALColonoscopy using NBI is performed in first place
Interventions
A double colonoscopy is performed in a back-to-back design using NBI chromoendoscopy then indigo carmine in each patient.
Eligibility Criteria
You may qualify if:
- Lynch Syndrome with an identified mutation in one of the genes MutL Homolog 1 (MLH1), MutL Homolog 2 (MLH2), MutS homolog6 (MSH6), PMS2 or epithelial cellular adhesion molecule (EpCAM)
- Age between 18 and 80
- Indication of a screening colonoscopy
You may not qualify if:
- Any sign of intestinal occlusion contra-indicating bowel preparation
- History of total or subtotal colectomy
- Any serious medical condition contra-indicating colonoscopy under general anesthesia
- Pregnant or breast feeding women
- Any coagulation disorder contra-indicating biopsies or endoscopic resections
- Any history of hypersensitivity to indigo carmine
- Adults subject to a legal protection measure (guardianship or curatorship)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (7)
HCL - Hôpital Edouard-Herriot
Lyon, Auvergne-Rhône-Alpes, 69003, France
CHRU de Tours - Hôpital Trousseau
Chambray-lès-Tours, Centre-Val de Loire, 37170, France
CHU Nantes - Hôtel-Dieu
Nantes, Pays de la Loire Region, 44093, France
AP-HP - Hôpital Européen Georges-Pompidou
Paris, 75015, France
AP-HP - Hôpital Saint-Antoine
Paris, Île-de-France Region, 75012, France
AP-HP - Hôpital Cochin
Paris, Île-de-France Region, 75014, France
Institut Gustave-Roussy
Villejuif, Île-de-France Region, 94805, France
Related Publications (1)
Cellier C, Perrod G, Colas C, Dhooge M, Saurin JC, Lecomte T, Coron E, Rahmi G, Savale C, Chaussade S, Bellanger J, Dray X, Benech N, Le Rhun M, Barbieux JP, Pereira H, Chatellier G, Samaha E. Back-to-Back Comparison of Colonoscopy With Virtual Chromoendoscopy Using a Third-Generation Narrow-Band Imaging System to Chromoendoscopy With Indigo Carmine in Patients With Lynch Syndrome. Am J Gastroenterol. 2019 Oct;114(10):1665-1670. doi: 10.14309/ajg.0000000000000386.
PMID: 31498154DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
CHRISTOPHE CELLIER, MD, PHD
Hopital europeen Georges Pompidou
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- DIAGNOSTIC
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 30, 2015
First Posted
October 7, 2015
Study Start
November 1, 2015
Primary Completion
December 1, 2017
Study Completion
February 1, 2018
Last Updated
September 23, 2019
Record last verified: 2019-09