An open-label study of vandetanib with pemetrexed in patients with previously treated non-small-cell lung cancer

R de Boer1, Y Humblet, J Wolf

  • 1Department of Medical Oncology, Western Hospital, Melbourne, Australia. richard.deboer@wh.org.au

Abstract

Insights

Vandetanib combined with pemetrexed showed good safety in advanced non-small-cell lung cancer (NSCLC) patients. The combination therapy was well-tolerated, with manageable side effects in this clinical trial.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Vandetanib is an oral inhibitor targeting vascular endothelial growth factor receptor and epidermal growth factor receptor signaling pathways.
  • This study evaluated the safety and tolerability of combining vandetanib with pemetrexed in advanced non-small-cell lung cancer (NSCLC).

Purpose of the Study:

  • To assess the safety and tolerability of vandetanib plus pemetrexed in patients with advanced non-small-cell lung cancer (NSCLC).
  • To determine dose-limiting toxicities (DLTs) for the combination therapy.

Main Methods:

  • Patients with previously treated advanced NSCLC (stage IIIB/IV) received daily oral vandetanib (100 or 300 mg) concurrently with pemetrexed (500 mg/m(2) intravenously every 21 days).
  • Safety was evaluated based on the incidence of dose-limiting toxicities (DLTs) and adverse events.

Main Results:

  • The combination met the protocol definition for tolerable dosing, with one DLT in each cohort (QTc prolongation in the 100 mg group, interstitial lung disease in the 300 mg group).
  • Most common adverse events included rash, anorexia, fatigue, and diarrhea, reported in all patients.
  • The interstitial lung disease in the 300 mg cohort resolved with steroid treatment.

Conclusions:

  • Vandetanib and pemetrexed combination therapy is generally well-tolerated in patients with advanced NSCLC.
  • The observed adverse events were manageable, suggesting potential for this combination in NSCLC treatment.