Objectives
Lacosamide is an antiepileptic drug (AED), which has proven to be effective to control seizures, including acute conditions such as status epilepticus. The aim of this study is to describe the clinical experience with lacosamide in neuro-oncological patients.
Materials and methods
Multicenter retrospective study in patients with cancer-related seizures, who received lacosamide as an add-on therapy.
Results
Forty-eight patients with benign and malignant tumors, including primary brain tumors, lymphomas, systemic cancer with central nervous system involvement, or paraneoplastic encephalitis, were included. Lacosamide was effective in the control of chronic seizures in patients with either benign or malignant tumors. The success rate was greater in malignant tumors, and drug-resistant epilepsies were more likely associated with benign tumors. Adverse events occurred in nearly 70% of patients, particularly in acute conditions and associated with the concomitant use of radio-/chemotherapy. Lacosamide-related adverse events were more likely somnolence and dizziness, which usually resolved after dose adjustment. After starting lacosamide, nearly half of the patients discontinued one of the baseline AEDs and decreased or discontinued dexamethasone. Fifteen patients with status epilepticus were treated with intravenous lacosamide, and 73% of them had their condition resolved without serious drug-related adverse events.
Conclusion
Lacosamide is an AED to consider in cases of cancer-related seizures. Lacosamide pharmacodynamics and pharmacokinetics allow the achievement of responder rates over 50% with no serious adverse effects, amelioration of side effects from other AEDs or radio-/chemotherapy, and no significant drug interactions. Furthermore, the intravenous formulation shows clear benefits in acute conditions such as status epilepticus.
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