What are the guidelines for use of levothyroxine in the treatment of thyroid cancer?

Updated: May 09, 2018
  • Author: Pramod K Sharma, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Answer

The ATA and NCCN guidelines recommend treatment with levothyroxine to suppress TSH levels. Degree of suppression is based on risk, as follows [1, 33] :

  • Low-risk patients - Maintenance of the TSH at or slightly below the lower limit of normal (0.1-0.5 mU/L)
  • Intermediate-risk patients - Initial TSH suppression to below 0.1 mU/L
  • High-risk patients - Initial TSH suppression to below 0.1 mU/L

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