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Pemetrexed in combination with cisplatin versus cisplatin monotherapy in patients with recurrent or metastatic head and neck cancer: final results of a randomized, double-blind, placebo-controlled, phase 3 study.

Abstract：

BACKGROUND:Recurrent or metastatic squamous cell carcinoma of the head and neck (SCCHN) is associated with poor survival. Platinum-based chemotherapy is often a first-line treatment. Pemetrexed has shown single-agent activity in SCCHN and in combination with cisplatin for other tumors. This trial examined the efficacy of pemetrexed-cisplatin for SCCHN. METHODS:In a double-blind phase 3 trial, patients with recurrent or metastatic SCCHN and no prior systemic therapy for metastatic disease were randomized to pemetrexed (500 mg/m(2) ) plus cisplatin (75 mg/m(2) ; n = 398) or placebo plus cisplatin (75 mg/m(2) ; n = 397) to assess overall survival (OS) and secondary endpoints. RESULTS:Median OS was 7.3 months in the pemetrexed-cisplatin arm and 6.3 months in the placebo-cisplatin arm (hazard ratio [HR], 0.87; 95% confidence interval [CI], 0.75-1.02; P = .082). Median progression-free survival (PFS, months) was similar in both treatment arms (pemetrexed-cisplatin, 3.6; placebo-cisplatin, 2.8; HR, 0.88; 95% CI, 0.76-1.03; P = .166). Among patients with performance status 0 or 1, pemetrexed-cisplatin (n = 347) led to longer OS and PFS than placebo-cisplatin (n = 343; 8.4 vs 6.7 months; HR, 0.83; P = .026; 4.0 vs 3.0 months; HR, 0.84; P = .044, respectively). Among patients with oropharyngeal cancers, pemetrexed-cisplatin (n = 86) resulted in longer OS and PFS than placebo-cisplatin (n = 106; 9.9 vs 6.1 months; HR, 0.59; P = .002; 4.0 vs 3.4 months; HR, 0.73; P = .047, respectively). Pemetrexed-cisplatin toxicity was consistent with studies in other tumors. CONCLUSIONS:Pemetrexed-cisplatin compared with placebo-cisplatin did not significantly improve survival for the intent-to-treat population. However, in a prespecified subgroup analysis, pemetrexed-cisplatin showed OS and PFS advantage for patients with performance status 0 or 1 or oropharyngeal cancers.

journal_name

Cancer

journal_title

Cancer

authors

Urba S,van Herpen CM,Sahoo TP,Shin DM,Licitra L,Mezei K,Reuter C,Hitt R,Russo F,Chang SC,Hossain AM,Frimodt-Moller B,Koustenis A,Hong RL

doi

10.1002/cncr.27449

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

4694-705

issue

eissn

0008-543X

issn

1097-0142

journal_volume

118

pub_type

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Pemetrexed in combination with cisplatin versus cisplatin monotherapy in patients with recurrent or metastatic head and neck cancer: final results of a randomized, double-blind, placebo-controlled, phase 3 study.