A randomized phase II study of docetaxel with or without vandetanib in recurrent or metastatic squamous cell carcinoma of head and neck (SCCHN)

Sewanti Limaye, Sarah Riley, Sihai Zhao, Anne O'Neill, Marshall Posner, Douglas Adkins, Zachary Jaffa, John Clark, Robert Haddad

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives There are limited chemotherapeutic options for advanced recurrent or metastatic SCCHN. The efficacy and toxicity of docetaxel with or without vandetanib was investigated in these patients. Materials and Methods Patients with pathologically confirmed, recurrent or metastatic SCCHN who had progressed on platinum based therapy given as definitive or palliative treatment, were randomized in this open label, multicenter phase II study of docetaxel (75 mg/m2 IV Q3 weeks) with or without vandetanib (100 mg PO daily). The primary objective was response rate (RR) and secondary objectives were progression free survival (PFS), overall survival (OS), disease control rate (DCR) and duration of response (DOR). Results 29 analyzable patients were enrolled, 14 in docetaxel arm and 15 in combined arm. PR was achieved in 1 patient in the docetaxel arm and 2 patients in the combined arm. The objective RR was 7% (1/14) (95% CI 0.2-33.8%) in the single and 13% (2/15) (95% CI 1.6-40.4%) combined arm. The median PFS was 3.21 (95% CI 3.0-22.0) and 9 (95% CI (5.86-18.1) weeks; median OS was 26.8(95% CI 17.7-100.7+) and 24.1 (95% CI, 16.4-171.1+) weeks. Most common adverse events were fatigue, dysphagia, diarrhea or constipation, cytopenias and alopecia. Conclusions Although an initial benefit in response was noted and statistical criteria met there was only a minor trend towards improved PFS for the combined arm. The study was designed with low threshold for activity in each arm and results were deemed not to be of enough clinical significance in this group of patients to continue accrual.

Original languageEnglish (US)
Pages (from-to)835-841
Number of pages7
JournalOral Oncology
Volume49
Issue number8
DOIs
StatePublished - Aug 1 2013
Externally publishedYes

Keywords

  • Head and neck cancer
  • Palliative chemotherapy
  • Recurrent/metastatic
  • Targeted therapy

ASJC Scopus subject areas

  • Oral Surgery
  • Oncology
  • Cancer Research

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