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Investigation of the Roles of New Antiepileptic Drugs and Serum BDNF Levels in Efficacy and Safety Monitoring and Quality of Life: A Clinical Research

[ Vol. 15 , Issue. 1 ]

Author(s):

Meral Demir*, Emel O. Akarsu, Hava O. Dede, Nerses Bebek, Sevda O. Yıldız, Betül Baykan and Ahmet G. Akkan Pages 49-63 (15)

Abstract:


Objective: We aimed to determine the therapeutic drug monitoring (TDM) features and the relation to brain-derived neurotrophic factor (BDNF) of frequently used new antiepileptic drugs (NADs) including lamotrigine (LTG), oxcarbazepine (OXC), zonisamide (ZNS) and lacosamide (LCM). Moreover, we investigated their effect on the quality of life (QoL).

Methods: Eighty epileptic patients who had been using the NADs, and thirteen healthy participants were included in this cross-sectional study. The participants were randomized into groups. The QOLIE-31 test was used for the assessment of QoL. We also prepared and applied "Safety Test". HPLC method for TDM, and ELISA method for BDNF measurements were used consecutively.

Results: In comparison to healthy participants, epileptic participants had lower marriage rate (p=0.049), education level (p˂0.001), alcohol use (p=0.002). BDNF levels were higher in patients with focal epilepsy (p=0.013) and in those with higher education level (p=0.016). There were negative correlations between serum BDNF levels and serum ZNS levels (p=0.042) with LTGpolytherapy, serum MHD levels (a 10-monohydroxy derivative of OXC, p=0.041) with OXCmonotherapy.] There was no difference in BDNF according to monotherapy-polytherapy, drugresistant groups, regarding seizure frequency. There was a positive correlation between total health status and QoL (p˂0.001). QOLIE-31 overall score (OS) was higher in those with OXCmonotherapy (76.5±14.5). OS (p˂0.001), seizure worry (SW, p=0.004), cognition (C, p˂0.001), social function (SF, p˂0.001) were different in the main groups. Forgetfulness was the most common unwanted effect.

Conclusion: While TDM helps the clinician to use more effective and safe NADs, BDNF may assist in TDM for reaching the therapeutic target in epilepsy.

Keywords:

Epilepsy, new antiepileptic drugs, TDM, safety, QOLIE-31, BDNF, efficacy.

Affiliation:

Department of Medical and Clinical Pharmacology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Department of Biostatistics, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Fatih / Capa 34093, Istanbul, Department of Medical and Clinical Pharmacology, Cerrahpasa Faculty of Medicine, Istanbul University, Cerrahpasa Street / Fatih 34093, Istanbul



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