Expired Study
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New York, New York 10065


Purpose:

One of the most effective treatments for metastases from thyroid cancer is a form of radioactive iodine known as 131-I. For more than 50 years, 131-I has been used to find and destroy thyroid cancer cells that have spread to other parts of the body. In many cases this treatment destroys the metastatic cells. However, in some patients it does not appear to work completely. This study is designed to use a slightly different form of radioactive iodine (called 124-I) which can precisely predict the amount of radiation that each metastatic lesion will receive. 124-I was developed at Memorial Sloan-Kettering in the 1950s and has been used here and at many other medical centers around the world for diagnostic studies. It has been found to be very safe and effective at finding metastatic lesions. The high resolution of newer PET scanners now allows us to carefully determine how much radiation each metastatic lesion will receive. If 124-I can accurately predict which patients will not respond to 131-I treatments we can then avoid exposing those patients to unnecessary radiation. For the rest of the patients we can custom tailor the 131-I dose to destroy the metastatic lesions.


Criteria:

Inclusion Criteria: - Adult thyroid carcinoma patients who have had a total thyroidectomy, histology confirmed by an MSKCC attending pathologist, and radioiodine remnant ablation. - Adult thyroid carcinoma patients who have previously demonstrated radioiodine-avid metastases and are about to undergo Thyrogen-assisted dosimetry at MSKCC. - The patient and physician are planning to administer 131-I for therapy if persistent radioiodine-avid metastases are present. - Men and women of all races, ethnicities, and religious backgrounds are eligible. - All subjects must have measurable disease, documented within the previous six months by ultrasonography (US), MRI, or non-contrast CT scanning. Exclusion Criteria: - Thyroid cancer patients who do not have metastases. - Thyroid cancer patients who have not demonstrated that their metastases concentrate radioiodine. - Patients who are under therapy for other active cancers. - Anaplastic or Medullary thyroid carcinoma. - Age less than 18 years. - Patient who have received a therapeutic dose of radioiodine within the preceding nine months will not be eligible. - Patients who plan to withdraw from thyroid hormone prior to dosimetry. - Patients who are pregnant.


NCT ID:

NCT00673010


Primary Contact:

Principal Investigator
Ravinder Grewal, MD
Memorial Sloan Kettering Cancer Center


Backup Contact:

N/A


Location Contact:

New York, New York 10065
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: January 17, 2018

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