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1.
Ann Oncol ; 26(3): 497-504, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25395283

RESUMO

BACKGROUND: Figitumumab (CP-751,871) is a fully human IgG2 monoclonal antibody that inhibits the insulin-like growth factor 1 receptor. This multicenter, randomized, phase III study investigated the efficacy of figitumumab plus erlotinib compared with erlotinib alone in patients with pretreated, nonsmall-cell lung cancer (NSCLC). PATIENTS AND METHODS: Patients (stage IIIB/IV or recurrent disease with nonadenocarcinoma histology) who had previously received at least one platinum-based regimen were randomized to receive open-label figitumumab (20 mg/kg) plus erlotinib 150 mg/day or erlotinib alone every 3 weeks. The primary end point was overall survival (OS). RESULTS: Of 583 patients randomized, 579 received treatment. The study was closed early by an independent data safety monitoring committee due to results crossing the prespecified futility boundary. At the final analysis, median OS was 5.7 months for figitumumab plus erlotinib and 6.2 months for erlotinib alone [hazard ratio (HR) 1.09; 95% confidence interval (CI) 0.91-1.31; P = 0.35]. Median progression-free survival was 2.1 months for figitumumab plus erlotinib and 2.6 months for erlotinib alone (HR 1.08; 95% CI 0.90-1.29; P = 0.43). Treatment-related nonfatal serious adverse events occurred in 18% and 5% of patients in the figitumumab arm or erlotinib alone arm, respectively. There were nine treatment-related deaths (three related to both drugs, four related to erlotinib alone and two related to figitumumab). CONCLUSIONS: The addition of figitumumab to erlotinib did not improve OS in patients with advanced, pretreated, nonadenocarcinoma NSCLC. Clinical development of figitumumab has been discontinued. CLINICAL TRIAL ID: NCT00673049.


Assuntos
Anticorpos Monoclonais/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Cloridrato de Erlotinib/administração & dosagem , Neoplasias Pulmonares/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/diagnóstico , Feminino , Seguimentos , Humanos , Neoplasias Pulmonares/diagnóstico , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos
2.
Ann Oncol ; 23(1): 72-77, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21464154

RESUMO

BACKGROUND: This open-label phase III study assessed the addition of Toll-like receptor 9-activating oligodeoxynucleotide PF-3512676 to gemcitabine/cisplatin chemotherapy in patients with non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: Chemotherapy-naive patients with stage IIIB or IV NSCLC were randomized (1:1) to receive six or fewer 3-week cycles of i.v. gemcitabine (1250 mg/m2 on days 1 and 8) and cisplatin alone (75 mg/m2 on day 1, control arm) or combined with s.c. PF-3512676 0.2 mg/kg on days 8 and 15 of each chemotherapy cycle and weekly thereafter until progression or unacceptable toxicity (experimental arm). No crossover was planned. The primary end point was overall survival (OS). RESULTS: A total of 839 patients were randomized. Baseline demographics were well balanced. Median OS (11.0 versus 10.7 months; P=0.98) and median progression-free survival (PFS) (both 5.1 months) were similar between groups. Grade≥3 hematologic adverse events (AEs), injection-site reactions, and influenza-like symptoms were more frequently reported among patients receiving PF-3512676. At the first-interim analysis, the Data Safety Monitoring Committee recommended study discontinuation. Administration of PF-3512676 was halted based on efficacy futility and increased grade≥3 AEs (experimental arm). CONCLUSIONS: Addition of PF-3512676 to gemcitabine/cisplatin chemotherapy did not improve OS or PFS but did increase toxicity.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Carcinoma Pulmonar de Células não Pequenas/tratamento farmacológico , Neoplasias Pulmonares/tratamento farmacológico , Oligodesoxirribonucleotídeos/administração & dosagem , Adulto , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/mortalidade , Cisplatino/administração & dosagem , Cisplatino/efeitos adversos , Desoxicitidina/administração & dosagem , Desoxicitidina/efeitos adversos , Desoxicitidina/análogos & derivados , Intervalo Livre de Doença , Feminino , Humanos , Estimativa de Kaplan-Meier , Neoplasias Pulmonares/mortalidade , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Oligodesoxirribonucleotídeos/efeitos adversos , Modelos de Riscos Proporcionais , Gencitabina
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