Efficacy and Safety of Low Dose Vandetanib in Metastatic Medullary Thyroid Cancer Abstract #1758

Introduction: Medullary thyroid cancer (MTC) is an aggressive thyroid malignancy. Vandetanib is a tyrosine kinase inhibitor approved for locally advanced or metastatic MTC, administered orally 300 mg/daily. Diarrhea, hypertension and QT prolongation are common side effects and may require withdrawal or dose reduction.
Aim(s): Aim of this study was to evaluate efficacy and safety of low dose vandetanib (200 mg/daily) in progressive metastatic MTC.
Materials and methods: Clinical, biochemical and radiological records of 6 patients with metastatic MTC were retrospectively evaluated. All pts were negative for RET mutation and had progressive disease after surgery and experimental therapy with pasireotide.
Conference: 14th Annual ENETS conference 2017 (2017)
Category: Medical treatment - Targeted therapies
Presenting Author: MD Roberta Modica

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