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  • Title: A double-blind randomized clinical trial in amyotrophic lateral sclerosis using lamotrigine: effects on CSF glutamate, aspartate, branched-chain amino acid levels and clinical parameters.
    Author: Ryberg H, Askmark H, Persson LI.
    Journal: Acta Neurol Scand; 2003 Jul; 108(1):1-8. PubMed ID: 12807386.
    Abstract:
    OBJECTIVES: A study was conducted to examine the effect of lamotrigine (LTG) in amyotrophic lateral sclerosis (ALS). MATERIAL AND METHODS: Patients were entered in a double-blind, placebo-controlled, crossover study. None of the patients were treated with riluzole, which was not approved for treatment of ALS in Sweden when the study started. After randomization, each patient was treated with placebo or LTG 300 mg daily, followed by a washout period and a second treatment period. RESULTS: Thirty patients completed the study and were included in the analysis of the primary outcome, which was measured with clinical scales. The cerebrospinal fluid (CSF) levels of glutamate, aspartate, branched-chain amino acids and LTG were also measured. Changes for glutamate, valine and LTG were found during the progression of the disease. The clinical parameters and the levels of CSF amino acids were similar for the two treatment groups. CONCLUSION: No clinical effect of LTG on ALS progression could be found.
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