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1.
BMC Cancer ; 18(1): 1185, 2018 Nov 29.
Artículo en Inglés | MEDLINE | ID: mdl-30497432

RESUMEN

BACKGROUND: Treatment with nab-paclitaxel plus gemcitabine increases survival in patients with metastatic pancreatic cancer. However, the assessment of treatment efficacy and safety in non-selected patients in a real-life setting may provide useful information to support decision-making processes in routine practice. METHODS: Retrospective, multicenter study including patients with metastatic pancreatic cancer, who started first-line treatment with nab-paclitaxel plus gemcitabine between December 2013 and June 2015 according to routine clinical practice. In addition to describing the treatment pattern, overall survival (OS) and progression-free survival (PFS) were assessed for the total sample and the exploratory subgroups based on the treatment and patients' clinical characteristics. RESULTS: All 210 eligible patients had a median age of 65.0 years (range 37-81). Metastatic pancreatic adenocarcinoma was recurrent in 46 (21.9%) patients and de novo in 164 (78.1%); 38 (18%) patients had a biliary stent. At baseline, 33 (18.1%) patients had an ECOG performance status ≥2. Patients received a median of four cycles of treatment (range 1-21), with a median duration of 3.5 months; 137 (65.2%) patients had a dose reduction of nab-paclitaxel and/or gemcitabine during treatment, and 33 (17.2%) discontinued treatment due to toxicity. Relative dose intensity (RDI) for nab-paclitaxel, gemcitabine, and the combined treatment was 66.7%. Median OS was 7.2 months (95% CI 6.0-8.5), and median PFS was 5.0 months (95% CI 4.3-5.9); 50 patients achieved either a partial or complete response (ORR 24.6%). OS was influenced by baseline ECOG PS, NLR and CA 19.9, but not by age ≥ 70 years and/or the presence of hepatobiliary stent or RDI < 85%. All included variables, computed as dichotomous, showed a significant contribution to the Cox regression model to build a nomogram for predicting survival in these patients: baseline ECOG 0-1 vs. 2-3 (p = 0.030), baseline NLR > 3 vs. ≤ 3 (p = 0.043), and baseline CA 19.9 > 37 U/mL vs. ≤37 U/mL (p = 0.004). CONCLUSIONS: Nab-Paclitaxel plus gemcitabine remain effective in a real-life setting, despite the high burden of dose reductions and poorer performance of these patients. A nomogram to predict survival using baseline ECOG performance status, NLR and CA 19.9 is proposed.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Neoplasias Pancreáticas/tratamiento farmacológico , Neoplasias Pancreáticas/mortalidad , Adulto , Anciano , Albúminas/administración & dosificación , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Comorbilidad , Desoxicitidina/administración & dosificación , Desoxicitidina/análogos & derivados , Femenino , Humanos , Masculino , Persona de Mediana Edad , Metástasis de la Neoplasia , Estadificación de Neoplasias , Paclitaxel/administración & dosificación , Neoplasias Pancreáticas/patología , Pronóstico , Estudios Retrospectivos , Análisis de Supervivencia , Resultado del Tratamiento , Gemcitabina
2.
Chemotherapy ; 56(2): 142-6, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20407241

RESUMEN

BACKGROUND: We gathered data from multiple institutions on the cetuximab regimen of patients with metastatic colorectal cancer. METHODS: 126 patients from 19 centers were included from July 2006 to July 2007 in this prospective non-controlled study. Irinotecan-refractory metastatic colorectal cancer patients with Karnofsky >or=70 received cetuximab 500 mg/m(2) every 2 weeks (q2w) in combination with irinotecan 180 mg/m(2) q2w until disease progression or unacceptable toxicity. The primary endpoint was the progression-free rate at 12 weeks. RESULTS: Median age was 65 years; 65.9% male; colon/rectum 64.3/34.1%; Karnofsky status or=90% in 45.3/54.7% of the patients. The progression-free rate was 42.7 (95% CI 32.8-52.6) and 22.4% (95% CI 14.2-30.7) at 12 and 24 weeks, respectively. The main grade 3 or 4 toxicities were: diarrhea 13.5% and acne-like rash 10.3%. No grade 3 or 4 infusional or allergic reactions were reported. CONCLUSIONS: The progression-free rates confirm that cetuximab q2w in combination with irinotecan is an option, and is as active and safe as the standard weekly regimen.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Neoplasias Colorrectales/tratamiento farmacológico , Adulto , Anciano , Anciano de 80 o más Años , Anticuerpos Monoclonales/administración & dosificación , Anticuerpos Monoclonales Humanizados , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Camptotecina/administración & dosificación , Camptotecina/análogos & derivados , Cetuximab , Neoplasias Colorrectales/patología , Diarrea/inducido químicamente , Supervivencia sin Enfermedad , Erupciones por Medicamentos/etiología , Femenino , Humanos , Irinotecán , Estado de Ejecución de Karnofsky , Masculino , Persona de Mediana Edad , Metástasis de la Neoplasia , Estudios Prospectivos , Resultado del Tratamiento
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