AIM: To evaluate the effects of lacosamide on traumatic spinal cord injury (SCI) in rats. MATERIAL and METHODS: A total of 28 male Wistar albino rats, each weighing 300-350 g, were included. They were randomly assigned to four groups. In Group 1, only a laminectomy was performed; in Group 2, SCI was performed after laminectomy; in Group 3, SCI was performed after laminectomy followed by lacosamide administration, and in Group 4, SCI was performed after laminectomy followed by physiological saline administration. After 48 hours, all animals were sacrificed, blood samples were drawn, and their spinal cords were removed. The serum levels of catalase, glutathione peroxidase (GPx), superoxide dismutase (SOD) and malondialdehyde (MDA) were measured, and the spinal cord specimens were examined for neuronal degeneration (PND). RESULTS: The MDA level was the lowest and the antioxidant enzyme levels were the highest in Group 3. There were statistically significant differences between Group 3 and the others in their PND score, serum MDA, SOD, GPX and catalase levels (p<0.05). CONCLUSION: Lacosamide has a neuroprotective effect in SCI in rats that is related to its ability to decrease the production of reactive oxygen species by increasing antioxidant enzyme expression, inhibit lipid peroxidation and attenuate glial cell activation.
Objective : To evaluate the neuroprotective effects of lacosamide after experimental peripheral nerve injury in rats. Methods : A total of 28 male wistar albino rats weighing 300-350 g were divided into four groups. In group I, the sciatic nerve exposed and the surgical wound was closed without injury; in group II, peripheral nerve injuries (PNI) was performed after dissection of the nerve; in group III, PNI was performed after dissection and lacosamide was administered, and in group IV, PNI was performed after dissection and physiological saline solution was administered. At 7 days after the injury all animals were sacrificed after walking track analysis. A 5 mL blood sample was drawn for biochemical analysis, and sciatic nerve tissues were removed for histopathological examination. Results : There is low tissue damage in lacosamide treated group and antioxidant anzymes and malondialdehyde levels were higher than non-treated and placebo treated group. However there was no improvement on clinical assessment. Conclusıon : The biochemical and histological analyses revealed that lacosamide has neuroprotective effect in PNI in rats. This neuroprotective capacity depends on its scavenger role for free oxygen radicals by increasing antioxidant enzyme activity.
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