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  • Title: [What are the etiological medical therapies in amyotrophic lateral sclerosis?].
    Author: Dib M.
    Journal: Rev Neurol (Paris); 2006 Jun; 162 Spec No 2():4S215-4S219. PubMed ID: 17128114.
    Abstract:
    The increasing knowledge about Amyotrophic Lateral sclerosis (ALS) led to the development of the first and only available treatment: riluzole. The efficacy of this drug has been demonstrated in two controlled clinical trials. The data showed that riluzole increases the rates of survival in patients suffering from ALS. This increase was about 25 percent over a period of 12 months of treatment. Since its marketing, the clinical efficacy of riluzole was confirmed in several epidemiological studies. Tested initially because of its anti-glutamates qualities, the exact mechanisms of action responsible for the efficacy of Riluzole in ALS remains unknown. Furthermore, despite a strong rational based on important literature, several other anti-glutamates drugs failed to demonstrate efficacy in ALS, nor did numerous anti-oxydant, neurotrophics, immunomodulators, and favoring mitochondrial metabolism drugs. Despite the low rate of patients showing an increase of liver enzymes, a strict control of liver functions is necessary with a treatment by riluzole. its dose should be increased gradually in case of important fatigue, a change of the general state, or respiratory incapacity. Because of the neuroprotectrives qualities of riluzole, early neuronal death in ALS, the difficulty to confirm early the diagnosis, and the evident interest to treat in the first stage, the treatment of the suspected forms of the disease becomes justifiable. The perspectives of treatment of ALS will depend on our capacity to understand better the physiopathology, the reasons of failures in the past, and to develop new biomarkers. They will depend also on our capacity to include in clinical trials and to follow up over a long time, an important number of patients. Different new methods, as the cellular therapy are in development, and represent a real hope for the future.
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