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Clinical trialNCT00587652CompletedObservational

Methylene Blue Chromoendoscopy in Barrett's Esophagus

SponsorMayo ClinicEnrollment100Barrett Esophagus
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This study is being done to: Determine if a temporary dye applied to the esophagus identifies areas of dysplasia (pre-cancer). Determine if certain dye patterns indicate specific grades of dysplasia. Determine if overall endoscopy costs can be reduced with this dye technique. Determine if the dye could allow fewer biopsies to be obtained in the future.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Mayo Clinic

    Rochester, Minnesota, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Dec 2002
Primary completion
31 Dec 2009
Completion
31 Dec 2009
Last update posted
6 Jan 2010
Registered enrollment
100
Registry id
NCT00587652
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.