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NCOG-15. THEEFFECTIVENESS OFANTIEPILEPTIC DRUGDUOTHERAPIES INGLIOMA PATIENTS: AMULTICENTEROBSERVATIONAL COHORTSTUDY Pim van der MeerLinda DirvenMarta Fiocco2021 год

NCOG-15. THE EFFECTIVENESS OF ANTIEPILEPTIC DRUG DUOTHERAPIES IN GLIOMA PATIENTS: A MULTICENTER OBSERVATIONAL COHORT STUDY
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Аннотация: Abstract BACKGROUND Uncontrolled seizures on antiepileptic drug (AED) monotherapy are common in glioma patients and about a third of patients need an add-on AED. The aim of this study was to determine whether levetiracetam combined with valproic acid (LEV+VPA), a commonly prescribed duotherapy, was more effective than other duotherapy combinations, which included either LEV or VPA, in glioma patients. METHODS In this multicenter observational cohort study, data of patients with a diffuse grade 2-4 glioma and having uncontrolled seizures on their first-line monotherapy LEV or VPA, was retrospectively analyzed. Primary outcome was treatment failure (i.e. replacement by or addition of a new AED, or withdrawal of an AED) for any reason. Secondary outcomes included: 1) treatment failure due to uncontrolled seizures; and 2) treatment failure due to adverse effects. Time to treatment failure was estimated with multivariable Cox proportional hazard models, from moment of AED duotherapy treatment initiation. The maximum duration of follow-up was 36 months. RESULTS A total of 355 patients received AED duotherapy after they showed treatment failure due to uncontrolled seizures on monotherapy. LEV+VPA was prescribed in 66% (236/355) and other AED duotherapy combinations including LEV or VPA in 34% (119/355) of patients. Patients using other duotherapy versus LEV+VPA had higher risk of treatment failure for any reason (cause-specific hazard ratio [csHR]=1.50 [95%CI=1.07-2.12], p=0.020), due to uncontrolled seizures (csHR=1.73 [95%CI=1.10-2.73], p=0.018), but not due to adverse effects (csHR=0.88 [95%CI=0.47-1.67]), p=0.703). CONCLUSIONS This observational cohort study showed that LEV+VPA has better efficacy than other AED combinations with either LEV or VPA, but toxicity was similar in the two groups.
Год издания: 2021
Авторы: Pim van der Meer, Linda Dirven, Marta Fiocco, Maaike J. Vos, Mathilde C.M. Kouwenhoven, Martin J. van den Bent, Martin Taphoorn, Johan A F Koekkoek
Издательство: Oxford University Press
Источник: Neuro-Oncology
Ключевые слова: Pharmacological Effects and Toxicity Studies, Epilepsy research and treatment, Glioma Diagnosis and Treatment
Другие ссылки: Neuro-Oncology (PDF)
Neuro-Oncology (HTML)
PubMed Central (HTML)