[Prognostic factors for metastatic renal cell carcinoma treated with second-line targeted therapies]

J D Rebibo1, C Pfister2, A Giwerc1

  • 1Service d'urologie et transplantation, centre hospitalier et universitaire de Rouen, 1, rue de Germont, 76031 Rouen cedex, France.

Abstract

Insights

In metastatic renal cell carcinoma (mRCC) patients receiving second-line targeted therapies (TT), impaired renal function and TT-induced toxicities predict better survival. These factors offer prognostic value in mRCC treatment.

Area of Science:

  • Oncology
  • Clinical Pharmacology
  • Biostatistics

Background:

  • Metastatic renal cell carcinoma (mRCC) poses significant treatment challenges.
  • Second-line targeted therapies (TT) are crucial for managing advanced mRCC.
  • Identifying prognostic factors is essential for optimizing patient outcomes.

Purpose of the Study:

  • To evaluate the prognostic significance of clinical and biological features in mRCC patients undergoing second-line TT.
  • To determine factors associated with overall survival (OS) and progression-free survival (PFS).

Main Methods:

  • Retrospective analysis of 60 mRCC patients treated with second-line TT (2006-2013).
  • Collected data included TT-induced toxicities, prognostic scores (Heng, MSKCC), and renal function.
  • OS and PFS assessed via univariate and multivariate analyses.

Main Results:

  • MSKCC and Heng scores were significant prognostic indicators for OS and PFS.
  • Hypoalbuminemia, anemia, and brain metastases correlated with poorer survival.
  • Severe TT-induced toxicities and renal function impairment at treatment initiation were associated with improved OS and PFS.
  • Multivariate analysis identified induced toxicity as an independent factor for good prognosis (OS).

Conclusions:

  • Renal function impairment and TT-induced toxicities in second-line mRCC treatment possess prognostic value.
  • These findings align with previous observations from first-line TT studies.
  • These factors may aid in predicting outcomes for mRCC patients receiving targeted therapies.