Spots Global Cancer Trial Database for Clinical Trial in RAI-Refractory Thyroid Carcinoma Evaluating BRAF & MEK Blockade for Re-differentiation Therapy

Study Description

Brief Summary: Progressive and metastatic thyroid cancer patients, who no longer respond to radioactive iodine (RAI), are currently treated with long term tyrosine kinase inhibitors to control tumor growth. The investigators will study the effect of short term oral anti-cancer drug combination, called dabrafenib (BRAF inhibitor) and trametinib (MEK inhibitor), in improving thyroid cancer RAI absorption that can potentially lead to tumor shrinkage response. To assess for suitability, participant's thyroid cancer tissue taken at the time of surgery will be tested for DNA changes, such as BRAFV600E, RAS, or MEK mutations. Based on experimental studies, the response to these medications could occur within 1 week of treatment. So in the study, the investigators will find out whether participant's cancer would respond to 1 week of treatment with these medications rather than the 1 month duration of treatment in previous re-differentiation clinical trials. After 1 week of treatment with dabrafenib and trametinib, iodine absorption I-124 PET-CT scan will predict if the cancer will respond to RAI. If iodine absorption is insufficient on the scan, treatment with dabrafenib and trametinib will be continued for a total of 4 weeks. Then iodine absorption response of participant's cancer will be assessed on I-124 PET-CT scan again. If the iodine absorption is good at 1 week or 4 weeks, the investigators will treat the participant with thyroid cancer using RAI. The 1-week treatment regime can potentially save cost, avoid drug toxicity with prolonged treatment, and prevent drug resistance that can occur with longer treatment period.

Detailed Description:

Keywords

Eligibility

Minimum Age: 21 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Contact Details

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