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Original Article

Free Access

Second-Line Chemotherapy in Recurrent Glioblastoma: A 2-Cohort Study

Carvalho B.F.a · Fernandes A.C.b · Almeida D.S.b · Sampaio L.V.c · Costa A.b · Caeiro C.b · Osório L.d · Castro L.e · Linhares P.a · Damasceno M.b · Vaz R.C.a, f

Author affiliations

a Department of Neurosurgery, Centro Hospitalar de São João, Porto, Portugal; b Department of Medical Oncology, Centro Hospitalar de São João, Porto, Portugal; c Department of Neuroradiology, Centro Hospitalar de São João, Porto, Portugal; d Department of Radiotherapy, Centro Hospitalar de São João, Porto, Portugal; e Department of Pathology, Centro Hospitalar de São João, Porto, Portugal; f Neurosciences Department, Hospital CUF Porto, Portugal

Corresponding Author

Ana Catarina Bento Pires Fernandes, MD

Department of Medical Oncology

Centro Hospitalar de São João

Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal


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Oncol Res Treat 2015;38:348-354

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Background: Glioblastoma (GB) is the most common malignant primary central nervous system tumor in adults. Standard-of-care therapy includes surgical resection, radiotherapy and temozolomide, but nearly all patients experience disease progression. The purpose of this study was to describe 2 cohorts of patients with recurrent GB submitted to second-line treatment with procarbazine/lomustine/vincristine (PCV) or bevacizumab/irinotecan (BI). Material and Methods: Retrospective analysis of GB patients treated in our center with PCV or BI, after progression with temozolomide, between 2004 and 2012. Results: Among 60 patients, 41 were treated with BI and 19 with PCV. According to the Macdonald criteria, the overall response rate in the BI group was 66% (n = 27) while it was 11% (n = 2) in the PCV group. The median progression-free survival was 5 and 3 months in the BI and PCV group, respectively. The median overall survival (OS) since second-line chemotherapy was 9 months in the BI group and 5 months in the PCV group. The latter group had a worse toxicity profile (grade 3-4: 52.6% vs. 22.0%; grade 1-2: 89.5% vs. 68.3%). Conclusions: The BI cohort had higher response rates, almost twice the OS and a lower degree of toxicity in contrast to the PCV group. The small number of patients and historical cohorts limits these comparisons.

© 2015 S. Karger GmbH, Freiburg


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Article / Publication Details

First-Page Preview
Abstract of Original Article

Received: August 21, 2014
Accepted: April 07, 2015
Published online: June 18, 2015
Issue release date: August 2015

Number of Print Pages: 7
Number of Figures: 2
Number of Tables: 2

ISSN: 2296-5270 (Print)
eISSN: 2296-5262 (Online)

For additional information: https://www.karger.com/ORT

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