A phase II evaluation of nintedanib (BIBF-1120) in the treatment of recurrent or persistent endometrial cancer: An NRG Oncology/Gynecologic Oncology Group Study

Don S. Dizon, Michael W. Sill, Jeanne M. Schilder, Kathryn F. McGonigle, Zia Rahman, David S. Miller, David G. Mutch, Kimberly K. Leslie

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

Introduction. Patients presenting with advanced, recurrent, or metastatic endometrial cancer have limited treatment options. On behalf of the Gynecologic Oncology Group, we conducted this phase II trial of nintedanib (BIBF 1120), a potent small molecule triple receptor tyrosine kinase inhibitor of PDGFR α and β, FGFR 1/3, and VEGFR 1-3, in this population. Objectives. The primary objectives were to estimate event-free survival (EFS) at 6 months and the proportion of patients who have an objective tumor response. In addition, we sought to determine the nature and degree of toxicity. Secondary objectives were to estimate progression-free and overall survival. Methods. This was a two-stage, single-arm phase II study. Eligible patients were treated with single-agent nintedanib at a dose of 200 mg twice daily. Results. Of 37 patients enrolled, 32 were eligible. There were zero complete and three partial responses for an overall response rate of 9.4% (90% 2-sided CI = 2.6-22.5%). Seven patients (21.9%; 90% 2-sided CI = 10.7-37.2%) were EFS at 6 months, with one patient continuing on study at the time of this writing. Serious toxicity included the following grade 3 events: gastrointestinal toxicity (5), neutropenia (1), edema (1), hypertension (1), and liver function abnormalities (5). Conclusions. Nintedanib lacked sufficient activity as a single agent to warrant enrollment to second stage. However, preclinical data indicate it may be synergistic with paclitaxel in a population of patients enriched for specific p53 mutations that result in loss of function. Subsequent studies may evaluate this agent in combination with paclitaxel.

Original languageEnglish
Pages (from-to)441-445
Number of pages5
JournalGynecologic oncology
Volume135
Issue number3
DOIs
StatePublished - Dec 1 2014

Keywords

  • Angiogenesis inhibitor
  • Clinical trial
  • Endometrial cancer

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