Treatment and surveillance of advanced, metastatic iodine-resistant differentiated thyroid cancer

Eiman Y Ibrahim1, Naifa L Busaidy

  • 1Department of Endocrine Neoplasia and Hormonal Disorders, University of Texas - M.D. Anderson Cancer Center, Houston, Texas, USA.

Abstract

Insights

New targeted therapies offer hope for radioactive iodine-refractory metastatic thyroid cancer. These novel drugs, targeting molecular aberrations, improve progression-free survival for patients with limited options.

Area of Science:

  • Endocrinology
  • Oncology
  • Molecular Biology

Background:

  • Differentiated thyroid cancer (papillary and follicular) is a common endocrine malignancy with generally excellent prognosis.
  • A small subset of patients develop radioactive iodine-refractory disease, facing limited treatment alternatives.
  • Historically, few effective therapies existed for this refractory group.

Purpose of the Study:

  • To review the management and treatment of metastatic thyroid cancer that is radioactive iodine refractory.
  • To discuss novel targeted therapies, their mechanisms of action, and adverse events.

Main Methods:

  • Review of current literature on molecular aberrations and angiogenesis in thyroid cancer.
  • Analysis of newly approved and investigational targeted therapies.
  • Examination of clinical trial data regarding progression-free survival and safety profiles.

Main Results:

  • Advancements in understanding molecular pathogenesis have led to novel targeted therapies.
  • Several new drugs have demonstrated efficacy, prolonging progression-free survival.
  • Some agents are Food and Drug Administration approved, with others under investigation.

Conclusions:

  • Novel targeted therapies represent a significant advancement for patients with radioactive iodine-refractory metastatic thyroid cancer.
  • Understanding molecular drivers has enabled the development of effective treatment strategies.
  • Continued research and investigation of additional agents are crucial for this patient population.