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Evolving approaches in managing radioactive iodine-refractory differentiated thyroid cancer
Wendy Sacks1, Glenn D Braunstein1
1Cedars-Sinai Medical Center, Los Angeles, California.
For advanced differentiated thyroid cancer (DTC) that is radioactive iodine (RAI)-refractory, systemic therapies show promise. Further research is needed to define RAI-refractory criteria and optimal treatment timing.
Area of Science:
- Endocrinology
- Oncology
- Molecular Biology
Background:
- Differentiated thyroid cancer (DTC) management typically involves surgery, radioactive iodine (RAI), and hormone suppression.
- Advanced DTC, particularly RAI-refractory cases, presents significant treatment challenges.
Purpose of the Study:
- To review the care approach for advanced differentiated thyroid cancer (DTC).
- To discuss the transition to systemic treatment for radioactive iodine (RAI)-refractory DTC.
Main Methods:
- A comprehensive PubMed literature search was performed for "radioactive iodine-refractory, differentiated thyroid cancer and treatment" (2000-2012).
- Relevant articles were identified from reference lists.
- Four illustrative patient cases of RAI-refractory DTC were presented.
Main Results:
- Standard care for early DTC includes surgery, RAI, and hormone suppression.
- For advanced RAI-refractory DTC, systemic therapies, including kinase inhibitors, are recommended options per clinical guidelines.
- Ongoing clinical trials are evaluating the efficacy of targeted therapies.
Conclusions:
- Targeted systemic therapies demonstrate encouraging preliminary results for advanced DTC.
- Consensus on defining RAI-refractory disease and optimal timing for systemic therapy initiation is lacking.
- Standardized criteria are needed to improve patient care and facilitate clinical study comparisons.
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