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Cancer Biol Ther. 2005 Nov;4(11):1186-9. Epub 2005 Nov 11.

Avoiding glucocorticoid administration in a neurooncological case.

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Division of Radiation Medicine, Paul Scherrer Institut, Switzerland.


Restricting glucocorticoid (GC) use in the treatment of patients with a solid tumor may help improving outcome. Here, we report administration of celecoxib rather than dexamethasone to prevent brain edema in a patient with a cerebellar glioblastoma multiforme WHO grade IV (GBM) upon the patient's request, as well as determining cerebrospinal fluid (CSF) and serum concentrations. CSF concentration (0.04 microM) was 54 times below serum concentration (2.18 microM), or 2500 times below levels inhibiting GBM cells in vitro (100 microM), revealing a blood CSF barrier for celecoxib. The patient did not require dexamethasone for the entire treatment. GC administration hence was avoided successfully in this case. The role of COX-2 inhibitors in treatment of GBM is detailed, leading to the conclusion of a pressing need for a clinical evaluation of non-steroidal COX-2 inhibitors with the ability to penetrate into brain tumors.

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