Current Trends in Targeted Therapies for Glioblastoma Multiforme

Glioblastoma multiforme (GBM) is one of the most frequently occurring tumors in the central nervous system and the most malignant tumor among gliomas. Despite aggressive treatment including surgery, adjuvant TMZ-based chemotherapy, and radiotherapy, GBM still has a dismal prognosis: the median survi...

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Main Authors: Fumiharu Ohka, Atsushi Natsume, Toshihiko Wakabayashi
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Neurology Research International
Online Access:http://dx.doi.org/10.1155/2012/878425
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author Fumiharu Ohka
Atsushi Natsume
Toshihiko Wakabayashi
author_facet Fumiharu Ohka
Atsushi Natsume
Toshihiko Wakabayashi
author_sort Fumiharu Ohka
collection DOAJ
description Glioblastoma multiforme (GBM) is one of the most frequently occurring tumors in the central nervous system and the most malignant tumor among gliomas. Despite aggressive treatment including surgery, adjuvant TMZ-based chemotherapy, and radiotherapy, GBM still has a dismal prognosis: the median survival is 14.6 months from diagnosis. To date, many studies report several determinants of resistance to this aggressive therapy: (1) O6-methylguanine-DNA methyltransferase (MGMT), (2) the complexity of several altered signaling pathways in GBM, (3) the existence of glioma stem-like cells (GSCs), and (4) the blood-brain barrier. Many studies aim to overcome these determinants of resistance to conventional therapy by using various approaches to improve the dismal prognosis of GBM such as modifying TMZ administration and combining TMZ with other agents, developing novel molecular-targeting agents, and novel strategies targeting GSCs. In this paper, we review up-to-date clinical trials of GBM treatments in order to overcome these 4 hurdles and to aim at more therapeutical effect than conventional therapies that are ongoing or are about to launch in clinical settings and discuss future perspectives.
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spelling doaj-art-44a7c69c1006465ca5863ec0f48fe0182025-02-03T05:46:54ZengWileyNeurology Research International2090-18522090-18602012-01-01201210.1155/2012/878425878425Current Trends in Targeted Therapies for Glioblastoma MultiformeFumiharu Ohka0Atsushi Natsume1Toshihiko Wakabayashi2Department of Neurosurgery, Nagoya University School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, JapanDepartment of Neurosurgery, Nagoya University School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, JapanDepartment of Neurosurgery, Nagoya University School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, JapanGlioblastoma multiforme (GBM) is one of the most frequently occurring tumors in the central nervous system and the most malignant tumor among gliomas. Despite aggressive treatment including surgery, adjuvant TMZ-based chemotherapy, and radiotherapy, GBM still has a dismal prognosis: the median survival is 14.6 months from diagnosis. To date, many studies report several determinants of resistance to this aggressive therapy: (1) O6-methylguanine-DNA methyltransferase (MGMT), (2) the complexity of several altered signaling pathways in GBM, (3) the existence of glioma stem-like cells (GSCs), and (4) the blood-brain barrier. Many studies aim to overcome these determinants of resistance to conventional therapy by using various approaches to improve the dismal prognosis of GBM such as modifying TMZ administration and combining TMZ with other agents, developing novel molecular-targeting agents, and novel strategies targeting GSCs. In this paper, we review up-to-date clinical trials of GBM treatments in order to overcome these 4 hurdles and to aim at more therapeutical effect than conventional therapies that are ongoing or are about to launch in clinical settings and discuss future perspectives.http://dx.doi.org/10.1155/2012/878425
spellingShingle Fumiharu Ohka
Atsushi Natsume
Toshihiko Wakabayashi
Current Trends in Targeted Therapies for Glioblastoma Multiforme
Neurology Research International
title Current Trends in Targeted Therapies for Glioblastoma Multiforme
title_full Current Trends in Targeted Therapies for Glioblastoma Multiforme
title_fullStr Current Trends in Targeted Therapies for Glioblastoma Multiforme
title_full_unstemmed Current Trends in Targeted Therapies for Glioblastoma Multiforme
title_short Current Trends in Targeted Therapies for Glioblastoma Multiforme
title_sort current trends in targeted therapies for glioblastoma multiforme
url http://dx.doi.org/10.1155/2012/878425
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