Role of everolimus in pancreatic neuroendocrine tumors

Robert Goldstein1, Tim Meyer

  • 1UCL Cancer Institute, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6BT, UK.

Insights

Everolimus significantly improved progression-free survival in patients with advanced pancreatic neuroendocrine tumors. This mTOR inhibitor offers a new therapeutic option where survival rates have stagnated for years.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Pancreatic neuroendocrine tumors (PNETs) have shown stagnant survival rates for over 20 years.
  • Limited therapeutic advancements, with streptozocin being the last approved agent until recently.
  • Aberrant PI3K-Akt/PKB-mTOR pathway signaling is implicated in PNET pathogenesis.

Purpose of the Study:

  • To evaluate the efficacy of everolimus in patients with advanced pancreatic neuroendocrine tumors.
  • To assess the impact of everolimus on progression-free survival (PFS).

Main Methods:

  • A Phase III randomized controlled trial.
  • Patients with low- and intermediate-grade advanced PNETs were assigned to receive either everolimus (10 mg/day) or a placebo.
  • Progression-free survival and adverse events were monitored.

Main Results:

  • Median progression-free survival was significantly longer in the everolimus group (11 months) compared to the placebo group (4.6 months).
  • Drug-related adverse events were consistent with the known safety profile of everolimus.
  • Everolimus demonstrated a significant benefit in delaying tumor progression.

Conclusions:

  • Everolimus represents a significant therapeutic advancement for patients with advanced pancreatic neuroendocrine tumors.
  • Targeting the mTOR pathway with everolimus is an effective strategy for PNET treatment.