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NCT Number: NCT01808417

NIR-Guided Sentinel Lymph-Node Mapping for Esophageal Cancer

This research study is a Phase I clinical trial. Phase I clinical trials test the feasibility and safety of an investigational technique or drug. This study will try to define an appropriate dose of the investigational drug indocyanine green (ICG) in combination with near infrared (NIR) imaging to use for further studies. "Investigational" means that this drug, ICG, is approved by the FDA for other imaging uses, but not for lymphatic mapping using NIR light. Its use for following lymphatic pathways from tumors in the human body is still being studied and research doctors are trying to find out more about it. It also means that the FDA has not approved ICG mapping for your type of cancer.

ICG is a dye and is approved for testing liver function and measuring blood flow from the heart. This drug has been used in studies to map lymphatic pathways in lung cancer and breast cancer and information from those other research studies suggests that this dye may help to identify lymph nodes associated with your esophageal tumor in this research study. ICG can be detected within the body using special near-infrared light cameras. In this research study, the investigators are looking at how easily ICG can get to the first lymph node (called the sentinel lymph node or SLN) associated with your esophageal tumor and whether the investigators can see the path of the ICG and the respective SLN using a near infrared camera.

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Key information

Conditions

Esophageal Cancer Digestive System Diseases Digestive System Neoplasms Esophageal Diseases Esophageal Neoplasms Gastrointestinal Diseases Gastrointestinal Neoplasms Head and Neck Neoplasms Neoplasms Neoplasms by Site

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Brigham and Women's Hospital, Boston, Massachusetts, United States

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About this study

If you are willing to participate in this study you will be asked to undergo a review of your medical history to confirm that you are eligible. If this review shows that you are eligible you will begin the study treatment. If you do not meet the eligibility criteria, you will not be able to participate in the research study.

Your primary surgeon will coordinate the date and time of surgery with you, and the hospital will confirm this schedule.

At the time of surgery, a dose of ICG mixed with normal saline, a solution of salt and water, will be administered in four small injections immediately around your tumor. You will receive approximately half a teaspoon of the normal saline/ICG solution. You will be under general anesthesia. Pictures of the ICG solution will be taken with the NIR camera and the progression of the dye, as it makes its way along the lymphatic channel from the location of your tumor to the SLN, will be monitored. After five to fifteen minutes, the surgeon will continue with your procedure, removing the lymph nodes according to standard or care. The surgeon will discuss this with you ahead of time.

As each lymph node is removed, we will take a picture of it to see if the ICG dye has entered and colored that node.

Following the removal of your lymph nodes, your surgeon will complete the operation and you will continue to be monitored for 30 minutes for any rare but possible side effects (allergic reactions) to the ICG. You will then be removed from the study. With the exception of the administration of the ICG and photography with the NIR camera, there will be no changes from the standard of care.

Following your surgery, we will collect the final pathology results from your procedure. Because we are only looking at determining the feasibility of this technique using NIR imaging, we do not wish to follow you for any period of time following the procedure. If you experience a rare but possible side effect from the ICG, normal saline, or NIR light, we will continue to monitor you until the condition is resolved.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Suspected or confirmed esophageal cancer
  • Deemed an appropriate surgical candidate with consent for esophagectomy and lymphadenectomy or staging lymphadenectomy by their thoracic surgeon

Exclusion criteria

  • Patients who choose not to proceed with surgery
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to indocyanine green, including thos patients with a history of iodide or seafood allergy
  • Women who are pregnant or breastfeeding

Treatment and study plan

Near Infrared Imaging

Drug

The intervention to be administered is the drug indocyanine green.

Other names: NIR Lymphatic Mapping, Indocyanine Green

Primary outcomes

  1. Feasibility of real-time intraoperative NIR lymphatic mapping

    Time frame: 2 years

    To determine the feasibility of real-time intraoperative NIR lymphatic mapping with concurrent identification of the sentinel lymph node in esophageal cancer using indocyanine green

Secondary outcomes

  1. Number of participants with adverse events

    Time frame: 2 years

    Safety data will be presented for all patients enrolled in the trial and will be presented according to dose level of indocyanine green. One summary will include a description of adverse events, by patient. Adverse event data will also be presented in frequency tables (overall and by intensity) by body system.

  2. Identification of sentinel lymph nodes

    Time frame: 2 years

    To determine how easily ICG can get to the first lymph node (called the sentinel lymph node or SLN) associated with the esophageal tumor and whether the investigators can see the path of the ICG and the respective SLN using a near infrared camera.

Sponsors and collaborators

Lead sponsor

Dana-Farber Cancer Institute

Other

Registry information

Official study title

Intraoperative NIR-Guided Sentinel Lymph Node Mapping in Esophageal Cancer

Important dates

Study start
2013
Primary completion
2014
Study completion
2015
First posted
Mar 11, 2013
Registry last updated
Dec 2, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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