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Hexanucleotide repeat expansions within the C9orf72 gene are the most important genetic cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). The difficulty of developing a precise method to determine the expansion size has hampered the study of possible correlations between the hexanucleotide repeat number and clinical phenotype.(More)
Two patients, one of them with myasthenia gravis, presented symptoms of continuous muscle fiber activity syndrome before discovery of a thymoma. Peripheral neuropathy was present in both patients, with axonal and demyelinating lesions in sural nerve biopsy. The syndrome remained unchanged or worse after thymectomy. Both patients died of associated(More)
BACKGROUND In a phase 2 study, dexpramipexole (25-150 mg twice daily) was well tolerated for up to 9 months and showed a significant benefit at the high dose in a combined assessment of function and mortality in patients with amyotrophic lateral sclerosis. We aimed to assess efficacy and safety of dexpramipexole in a phase 3 trial of patients with familial(More)
Ten patients with amyotrophic lateral sclerosis were given intrathecal injections of natural interferon alpha, 1 million units weekly for 7 to 24 weeks. Six patients completed the trial. Four voluntarily withdrew after 7 to 13 injections. The slopes of deterioration for 40 quantitative tests of neuromuscular function for the control and treatment periods(More)
BACKGROUND ALS is a neurodegenerative disease of the entire motor system that most frequently ends with respiratory arrest in few years. Its diagnosis and the rapid progression of the motor dysfunctions produce a continued emotional impact. Studies on this impact are helpful to plan adequate psychotherapeutic strategies. OBJECTIVE To assess and analyze:(More)
BACKGROUND AND PURPOSE To assess the efficacy and safety of olesoxime, a molecule with neuroprotective properties, in patients with amyotrophic lateral sclerosis (ALS) treated with riluzole. METHODS A double-blind, randomized, placebo-controlled, multicenter trial of 18 months' duration was conducted in 512 subjects, with probable or definite ALS and a(More)
We conducted a double-blind controlled study of the effect of brain gangliosides in amyotrophic lateral sclerosis. Nineteen patients received intramuscular gangliosides (40 mg/d) for 6 months, and 21 received placebo. The deterioration rates for approximately 120 clinical and electrophysiologic parameters of neuromuscular function were analyzed, but no(More)
We studied the cross-cultural Spanish adaptation of the Amyotrophic Lateral Sclerosis Assessment Questionnaire (ALSAQ-40) to assess the subjective health status in amyotrophic lateral sclerosis (ALS) patients. The ALSAQ-40 questionnaire was adapted and applied to 53 randomly selected ALS patients from different regions in Spain. Reliability assessment and(More)
A 13-year-old boy developed closely spaced episodes of recurrent febrile meningitis that persisted for 22 months despite antibiotic therapy. During exacerbations the cerebrospinal fluid contained up to 2,500 leukocytes per cubic millimeter, including up to 20% activated monocytoid cells, with high IgM and IgG levels. No cause for the disorder was found, but(More)