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@ARTICLE{Burger:838853,
author = {Burger, MC and Ronellenfitsch, MW and Lorenz, NI and
Wagner, M. and Voss, M. and Capper, D. and Tzaridis, T. and
Herrlinger, U. and Steinbach, P. and Stoffels, Gabriele and
Langen, Karl-Josef and Brandts, C. and Senft, C. and Harter,
PN and Bähr, O.},
title = {{D}abrafenib in patients with recurrent, {BRAF} {V}600{E}
mutated malignant glioma and leptomeningeal disease},
journal = {Oncology reports},
volume = {38},
number = {6},
issn = {1021-335X},
address = {Athens},
publisher = {Spandidos Publ.},
reportid = {FZJ-2017-07363},
pages = {3291-3296},
year = {2017},
abstract = {BRAF V600E mutations occur frequently in malignant
melanoma, but are rare in most malignant glioma subtypes.
Besides, more benign brain tumors such as ganglioglioma,
dysembryoblastic neuroepithelial tumours and supratentorial
pilocytic astrocytomas, only pleomorphic xanthoastrocytomas
$(50–78\%)$ and epitheloid glioblastoma $(50\%)$ regularly
exhibit BRAF mutations. In the present study, we report on
three patients with recurrent malignant gliomas harbouring a
BRAF V600E mutation. All patients presented with markedly
disseminated leptomeningeal disease at recurrence and had
progressed after radiotherapy and alkylating chemotherapy.
Therefore, estimated life expectancy at recurrence was a few
weeks. All three patients received dabrafenib as a single
agent and all showed a complete or nearly complete response.
Treatment is ongoing and patients are stable for 27 months,
7 months and 3 months, respectively. One patient showed a
dramatic radiologic and clinical response after one week of
treatment. We were able to generate an ex vivo tumor cell
culture from CSF in one patient. Treatment of this cell
culture with dabrafenib resulted in reduced cell density and
inhibition of ERK phosphorylation in vitro. To date, this is
the first series on adult patients with BRAF-mutated
malignant glioma and leptomeningeal dissemination treated
with dabrafenib monotherapy. All patients showed a dramatic
response with one patient showing an ongoing response for
more than two years.},
cin = {INM-4},
ddc = {610},
cid = {I:(DE-Juel1)INM-4-20090406},
pnm = {573 - Neuroimaging (POF3-573)},
pid = {G:(DE-HGF)POF3-573},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29039591},
UT = {WOS:000417320500001},
doi = {10.3892/or.2017.6013},
url = {https://juser.fz-juelich.de/record/838853},
}