This trial is a prospective, observational Phase II clinical study. For patients with locally advanced and/or metastatic medullary thyroid carcinoma with RET gene mutations who require systemic treatment, they are randomly assigned to either the Pralsetinib or Anlotinib observation cohort based on their clinical treatment choices. The treatment continues until disease progression or the occurrence of intolerable adverse reactions. At the same time, the correlation between the efficacy and safety of the drugs and the RET gene mutation subtypes is analyzed, and the resistance mechanisms of Anlotinib and Pralsetinib are preliminarily explored to provide more evidence for the clinical treatment of patients with locally advanced or metastatic MTC in China.
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To evaluate the objective response rate (ORR) of Pralsetinib or Anlotinib in patients with RET gene mutation-related locally advanced or metastatic medullary thyroid carcinoma (MTC) who require systemic treatment
Timeframe: 24 months