Chemotherapy for intracranial ependymoma in adults View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2016-12

AUTHORS

Dorothee Gramatzki, Patrick Roth, Jörg Felsberg, Silvia Hofer, Elisabeth J. Rushing, Bettina Hentschel, Manfred Westphal, Dietmar Krex, Matthias Simon, Oliver Schnell, Wolfgang Wick, Guido Reifenberger, Michael Weller

ABSTRACT

BACKGROUND: Ependymal tumors in adults are rare, accounting for less than 4% of primary tumors of the central nervous system in this age group. The low prevalence of intracranial ependymoma in adults limits the ability to perform clinical trials. Therefore, treatment decisions are based on small, mostly retrospective studies and the role of chemotherapy has remained unclear. METHODS: We performed a retrospective study on 17 adult patients diagnosed with intracranial World Health Organisation grade II or III ependymoma, who were treated with chemotherapy at any time during the disease course. Benefit from chemotherapy was estimated by applying Macdonald criteria. Progression-free (PFS) and overall survival (OS) were calculated from start of chemotherapy, using the Kaplan-Meier method. RESULTS: Eleven patients had supratentorial and 6 infratentorial tumors. Ten patients were treated with temozolomide (TMZ), 3 with procarbazine/lomustine/vincristine (PCV), 3 with platinum-based chemotherapy and 1 patient received epirubicin/ifosfamide. Response rates were as follows: TMZ 8/10 stable disease; PCV 3/3 stable disease; platinum-based chemotherapy 1/3 partial response; epirubicin/ifosfamide 1/1 complete response. PFS rates at 6, 12 and 24 months were 52.9, 35.3 and 23.5%. OS rates at 6, 12 and 24 months were 82.4, 82.4 and 70.1%. There was no indication for a favourable prognostic role of O(6)-methylguanyl-DNA-methyltransferase (MGMT) promoter methylation which was detected in 3/12 investigated tumors. CONCLUSIONS: Survival outcomes in response to chemotherapy in adult intracranial ependymoma patients vary substantially, but individual patients may respond to any kind of chemotherapy. There were too few patients to compare survival data between chemotherapeutic subgroups. More... »

PAGES

287

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s12885-016-2323-0

DOI

http://dx.doi.org/10.1186/s12885-016-2323-0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1019511269

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/27108407


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