RAPHAEL SALLES SCORTEGAGNA DE MEDEIROS
Índice h a partir de 2011
7
Projetos de Pesquisa
Unidades Organizacionais
LIM/24 - Laboratório de Oncologia Experimental, Hospital das Clínicas, Faculdade de Medicina
3 resultados
Resultados de Busca
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conferenceObject High-grade extrapulmonary neuroendocrine carcinomas and small cell lung cancer: Different entities, same treatment.(2015) REGO, Juliana Florinda De Mendonga; MEDEIROS, Raphael Salles S.; BRAGHIROLI, Maria Ignez Freitas Melro; GALVAO, Breno; BEZERRA NETO, Joao Evangelista; MUNHOZ, Rodrigo Ramella; GUERRA, Juliana Mariotti; KIMURA, Lidia; NONOGAKI, Suely; PFIFFER, Tulio Eduardo Flesch; CASTRO, Gilberto; HOFF, Paulo Marcelo; ROCHA FILHO, Duilio; COSTA, Frederico; RIECHELMANN, Rachel Pimenta- Expression of ERCC1, Bcl-2, Lin28a, and Ki-67 as biomarkers of response to first-line platinum-based chemotherapy in patients with high-grade extrapulmonary neuroendocrine carcinomas or small cell lung cancer(2017) REGO, Juliana Florinda de M; MEDEIROS, Raphael Salles Scortegagna de; BRAGHIROLI, Maria Ignez; GALVAO, Breno; BEZERRA NETO, Joao Evangelista; MUNHOZ, Rodrigo Ramella; GUERRA, Juliana; NONOGAKI, Suely; KIMURA, Lidia; PFIFFER, Tulio Eduardo; CASTRO JR., Gilberto de; HOFF, Paulo Marcelo; FILHO, Duilio Rocha; COSTA, Frederico Perego; RIECHELMANN, Rachel P.Background: Small cell lung cancer (SCLC) and high-grade extrapulmonary neuroendocrine carcinomas (EPNEC) share similar histopathological features and treatment, but outcomes may differ. We evaluated in our study the expression of biomarkers associated with response rate (RR) to chemotherapy and overall survival (OS) for these entities. Materials and Methods: This is a multicentre retrospective analysis of advanced EPNEC and SCLC patients treated with platinum-based chemotherapy. Paraffin-embedded tumour samples were reviewed by a single pathologist and tested for immunohistochemistry (IHC) expression of Ki-67, ERCC1, Bcl-2, and Lin28a. All images were evaluated by the same radiologist and RR was determined by RECIST 1.1. Results: From July, 2006 to July, 2014, 142 patients were identified, being 82 (57.7%) SCLC and 60 (42.3%) EPNEC. Clinical characteristics and median Ki-67 (SCLC: 60%; EPNEC: 50%; p = 0.86) were similar between the groups. RR was higher for SCLC patients (86.8% versus 44.6%; p<0.001), but median OS was similar (10.3 months in SCLC and 11.1 months in EPNEC; HR 0.69, p = 0.07). Bcl-2 expression was higher in SCLC patients (46.3% versus 28.3%, p = 0.03) and was associated with worse prognosis in EPNEC (median OS 8.0 months versus 14.7 months; HR 0.47, p = 0.02). Conclusion: EPNEC patients presented inferior RR to platinum-based chemotherapy than SCLC but tended to live longer. Neither ERCC1, Lin28, or Ki-67 were prognostic or predictive for RR in EPNEC or SCLC. High Bcl-2 expression was associated with poor prognosis in EPNEC patients.
conferenceObject Evaluation of predictive biomarkers of response and prognosis in patients with high-grade extrapulmonary neuroendocrine carcinomas treated with platin-based chemotherapy.(2015) REGO, Juliana Florinda De Mendonga; MEDEIROS, Raphael Salles S.; BRAGHIROLI, Maria Ignez Freitas Melro; BEZERRA NETO, Joao Evangelista; MUNHOZ, Rodrigo Ramella; GUERRA, Juliana Mariotti; KIMURA, Lidia; NONOGAKI, Suely; PFIFFER, Tulio Eduardo Flesch; GALVAO, Breno; HOFF, Paulo Marcelo; ROCHA FILHO, Duilio; COSTA, Frederico; RIECHELMANN, Rachel Pimenta