Real-world Effectiveness and Safety of Pazopanib in Patients With Intermediate Prognostic Risk Advanced Renal Cell Carcinoma

Giuseppe Procopio, Aristotelis Bamias, Manuela Schmidinger, Robert Hawkins, Angel Rodriguez Sánchez, Sergio Vázquez Estevez, Narayanan Srihari, Haralabos Kalofonos, Petri Bono, Chaitali Babanrao Pisal, Yulia Hirschberg, Luca Dezzani, Qasim Ahmad, Cristina Suárez Rodriguez, Eric Jonasch

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Introduction: The objective of this study was to determine the effectiveness and safety of pazopanib in patients with intermediate-risk advanced/metastatic renal cell carcinoma in the PRINCIPAL study (NCT01649778). Patients and Methods: Patients had clear-cell advanced/metastatic renal cell carcinoma and met intermediate-risk International Metastatic Renal Cell Carcinoma Database Consortium (IMDC) and Memorial Sloan Kettering Cancer Center (MSKCC) criteria. Assessments included progression-free survival, overall survival, objective response rate, and safety. We also evaluated effectiveness based on number of risk factors, age, and performance status (PS), as well as safety in older and younger patients. Results: Three hundred sixty three and 343 intermediate-risk MSKCC and IMDC patients were included, respectively. The median progression-free survival was 13.8 months (95% confidence interval [CI], 10.7-18.1 months) and 7.4 months (95% CI, 6.2-10.3 months) for patients with 1 and 2 MSKCC risk factors, respectively, and 13.1 months (95% CI, 10.7-18.1 months) and 8.1 months (95% CI, 6.4-10.7 months) for patients with 1 and 2 IMDC risk factors, respectively. The median overall survival was not reached and was 15.2 months (95% CI, 12.3-26.5 months) for patients with 1 and 2 MSKCC risk factors, respectively, and 33.9 months (95% CI, 33.9 months to not estimable) and 19.4 months (95% CI, 14.3 months to not estimable) with 1 and 2 IMDC risk factors, respectively. A lower overall response rate was observed with Eastern Cooperative Oncology Group PS ≥ 2 (vs. PS < 2). All-grade treatment-related adverse events occurred in approximately 63% of patients, and the safety profile among older and younger patients was similar. Conclusions: Outcomes with pazopanib in intermediate-risk patients suggest that patients can be further stratified by number of risk factors (1 vs. 2) and Eastern Cooperative Oncology Group PS (< 2 vs. ≥ 2) to more accurately predict outcomes.

Original languageEnglish (US)
Pages (from-to)e526-e533
JournalClinical Genitourinary Cancer
Volume17
Issue number3
DOIs
StatePublished - Jun 2019

Keywords

  • Intermediate risk
  • Pazopanib
  • Prognosis
  • Renal cell carcinoma

ASJC Scopus subject areas

  • Oncology
  • Urology

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