Medical therapy for non-functioning pituitary tumors-a critical approach

Metaxia Tampourlou1, Olga Karapanou2, Dimitra A Vassiliadi2

  • 1Department of Endocrinology, Diabetes and Metabolism, Evangelismos Hospital, Athens, Greece. metytab@yahoo.gr.

Hormones (Athens, Greece)
|October 29, 2018
PubMed

Insights

Non-functioning pituitary adenomas (NFPAs) are common tumors. Medical therapy after surgery may prevent recurrence, but optimal use requires further research on patient selection, dosing, and side effects.

Area of Science:

  • Endocrinology
  • Neurosurgery
  • Oncology

Background:

  • Non-functioning pituitary adenomas (NFPAs) are the second most common pituitary tumors.
  • Surgery is the primary treatment for symptomatic NFPAs, but recurrence rates are high.
  • NFPAs often express dopamine and somatostatin receptors, suggesting potential for medical therapy.

Purpose of the Study:

  • To evaluate the role of medical therapy in preventing NFPA recurrence after surgery.
  • To address uncertainties regarding patient selection, dosing, duration, and side effects of medical treatments.

Main Methods:

  • Review of existing studies on medical therapy for NFPAs post-surgery.
  • Analysis of the efficacy of dopamine agonists initiated immediately after surgery versus later upon tumor regrowth.

Main Results:

  • Dopamine agonists show some promise when started immediately post-surgery.
  • Efficacy is reduced when dopamine agonists are introduced later upon tumor regrowth.
  • Current medical therapy for NFPA recurrence prevention is limited by outcome imprecision and uncertainties.

Conclusions:

  • The role of medical therapy in preventing NFPA recurrence is currently limited.
  • Further research is needed to optimize patient selection, dosing, duration, and manage side effects.
  • Refined medical strategies could improve outcomes for patients with NFPAs.

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