Fluorescence Imaging in Hepatobiliary Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2021-12-31

Study Completion Date

2022-12-31

Brief Summary

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A current gap in the use indocyanine green fluorescence to isolate the biliary system is the dosing amount necessary to fluoresce the biliary system without "over" fluorescing the liver and gallbladder. Over fluorescing surrounding structures such as the liver and gallbladder saturates the image and makes it impossible to identify biliary leaks or differentiate branches of the common bile duct using fluorescent imaging devices. The over dosing does not affect the standard of care procedure, but eliminates the added benefit of the fluorescent imaging technology. The use of "microdoses" (approximately 0.1 mg) of indocyanine green has been trialed and shown promise in some patients. This study aims to do an in depth study utilizing the Cancer goggle systems fluorescent imaging system to determine the correct dose needed to isolate the biliary system without over fluorescing surrounding structures. This dosing study could additionally serve as a pilot study for follow on research using indocyanine green and fluorescent imaging in hepatobiliary surgery.

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Detailed Description

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Conditions

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Hepatobiliary Surgery

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Cancer goggle system

* The surgical procedure will be performed according to standard practice, with the exception of microdosing of ICG \& visualization of biliary/liver anatomy using the cancer goggles system
* The surgeon will start with a peripherally injected microdose of 0.02 mg of ICG \& will inject an additional 0.02mg every 5 minutes until a noticeable fluorescent change in the liver is observed. If a change is not observed after 0.14 mg has been injected then the microdosing regimen will stop. Output video from the cancer goggles will be recorded and saved for post-surgical analysis.
* Following resection of the liver parenchyma, the portal area and the cut surface of the liver will be analyzed for the identification of bile ducts leaks with or without cancer goggles.

Group Type EXPERIMENTAL