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Indocyanine Green (ICG) in the ex Vivo Detection of Sentinel Lymph Node (SLN)in Colon Cancer (2068)

This study has been completed.
Information provided by (Responsible Party):
Jules Bordet Institute Identifier:
First received: November 20, 2013
Last updated: January 11, 2016
Last verified: June 2015
Evaluation of the possibility to detect sentinel lymph node(s) after ex vivo Indocyanine Green injections around the tumour in pieces of colectomy from patients with colon cancer.

Colon Cancer Colon Surgery

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: Prospective Open-label Study Using ex Vivo Injection of ICG to Detect SLN in Patients With Colon Cancer

Further study details as provided by Jules Bordet Institute:

Primary Outcome Measures:
  • number of sentinel lymph nodes identified in pieces of colectomy from patients with colon cancer with Indocyanine Green [ Time Frame: 18 monthes ]

Enrollment: 20
Study Start Date: January 2013
Study Completion Date: February 2015
Primary Completion Date: February 2013 (Final data collection date for primary outcome measure)
Detailed Description:

Primary objective Feasibility study of ex vivo injections of ICG to image and detect the sentinel lymph nodes in patients with colon cancer.

Secondary objectives:

To determine the sensitivity of ICG in the dissected piece of colon cancer compared with the blue dye.

Tertiary objectives:

Evaluation of the influence of this approach on the up-staging of the patients

Microscopic study of the ICG distribution in the lymph nodes (in the lymphatic sinuses, in specific cells, in cancerous foci…)


In the operating room:

Patients will undergo standard surgical resection. Immediately after removal of the colon and node-bearing mesentery, using different 29 Gauge insulin syringes, blue dye (2 ml blue dye: 0.5 ml per injection) and ICG (2 ml with 0,5 mg ICG per ml: 0.5 ml per injection) will be injected in the fresh specimen beside each other submucosally around the tumour in at least four sites (as many injections needed to cover all the perimeter of the tumour) for each agent. The injection sites will be then gently stretched and massaged for 3-5 min to stimulate the tracers to flow along the lymphatic channels. Fluoroscopic imagings of the mesentery will be performed during the injections and during these manoeuvers.

The research and identification of the sentinel lymph nodes will be then performed as follows:

  1. he will first localize the blue colored lymph vessels (if visible) as well as the palpable and/or blue colored lymph nodes. These last ones will be marked for dissection with a blue suture.
  2. using the PDE camera, he will thereafter localize the fluorescent lymph vessels (if visible) as well as the palpable and/or fluorescent lymph nodes. These last ones will be marked for dissection with a green suture.

Histopathology in the Laboratory of Pathology:

When all SLN are identified, they will be dissected and classified as follows:

  • SLN first seen as blue and confirmed also as fluorescent using PDE
  • SLN seen as blue but not confirmed to be fluorescent using PDE
  • SLN not directly visible as blue but seen fluorescent using PDE (the LN in this group will be controlled for their blue or not character when dissected)
  • LN identified by the pathologist as pathological but not blue and not fluorescent.

After the dissection of these SLN, the specimen will be processed as usual using routine procedure for further examination of the non SLN by the pathologists. Once these lymph nodes are dissected, they will be tested for the emitted fluorescence.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
patients with colon cancer who will have colectomy

Inclusion Criteria:

  • Patients with histo-pathological diagnosis of colon cancer who are candidate for laparoscopic colectomy,
  • Informed consent form signed.

Exclusion Criteria:

  • Definite lymph node metastases diagnosed either pre-operatively, or per-operatively
  • Inability to give informed consent,
  • Age < 18 years old,
  • Pregnancy.
  Contacts and Locations
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Please refer to this study by its identifier: NCT01995591

Jules Bordet Institute
Brussels, Belgium, 1000
Sponsors and Collaborators
Jules Bordet Institute
Principal Investigator: Gabriel Liberale, MD Surgeon in Jules Bordet Institute
  More Information

Responsible Party: Jules Bordet Institute Identifier: NCT01995591     History of Changes
Other Study ID Numbers: 2068
Study First Received: November 20, 2013
Last Updated: January 11, 2016

Keywords provided by Jules Bordet Institute:
colon cancer
sentinel lymph node
Indocyanine Green

Additional relevant MeSH terms:
Colonic Neoplasms
Colorectal Neoplasms
Intestinal Neoplasms
Gastrointestinal Neoplasms
Digestive System Neoplasms
Neoplasms by Site
Digestive System Diseases
Gastrointestinal Diseases
Colonic Diseases
Intestinal Diseases processed this record on September 21, 2017