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Feasibility Study to Develop Sentinel Lymph Node Mapping in Rectal Cancer Patients

Rectal Cancer Clinical Trial

Official title:
Novel Sentinel Lymph Node Mapping Technique in Early Stage Rectal Cancer

Clinical Trial Summary

The purpose of this study is to see if investigators can develop a technique to identify sentinel lymph nodes in the rectum for rectal cancer patients with the use of a radiotracer (Tc-sulfur colloid), a dye (Spot), and imaging, both pre- and intraoperatively. Eligible patients are those with stage I-III rectal cancer undergoing standard low anterior resection or abdominoperineal resection.

Investigators hypothesize that use of a unique intraoperative lymphatic mapping technique using a mobile gamma camera will identify the sentinel lymph node in patients with rectal cancer with greater than 80% sensitivity.

Subjects will receive injections of the tracer and dye prior to surgery, have preoperative SPECT/CT imaging to be used as a guide to the rectal lymphatic system and then proceed to their scheduled surgery. During surgery, images of the rectum will be taken with a unique mobile gamma camera prior to removal and upon resection.

If surgeons are able to identify the sentinel lymph nodes surrounding the rectal tumor, the hope is to combine this technique with a less invasive surgery called transanal endoscopic microsurgery (TEM) for early stage rectal cancer patients.

Clinical Trial Description

n/a

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02112240
Study type Interventional
Source University of Virginia
Contact
Status Withdrawn
Phase N/A
Start date May 2013
View Details
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