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ENGLISH ABSTRACT
JOURNAL ARTICLE
[Study of the efficacy of low-dose synthetic ACTH therapy without tapering to treat West syndrome].
OBJECTIVE: We evaluated the effectiveness of synthetic adrenocorticotropic hormone (ACTH) therapy without tapering in treating patients with West syndrome.
METHODS: Forty-four patients with cryptogenic (n = 7) or symptomatic (n = 37) West syndrome were treated with synthetic ACTH therapy between 2003 and 2012. The synthetic ACTH dosage was 0.0125 mg/kg/day administered daily for 2 weeks and then stopped without a tapering period. The initial effectiveness, long-term seizure outcome, and adverse effects were examined.
RESULTS: During synthetic ACTH therapy, epileptic spasms disappeared in 37 of 44 patients (84.1%) and hypsarrhythmia on electroencephalography disappeared in 42 of 44 patients (95.5%). The average number of synthetic ACTH injections needed to achieve spasm control in these 37 patients was 5.8. Long-term seizure outcomes were assessed in 31 patients followed up for longer than half a year after synthetic ACTH therapy. Nine (29.0%) of these patients experienced recurrence of epileptic spasms, with a mean interval to recurrence of 2.4 months. Overall, 12 patients (38.7%) experienced various types of seizures other than spasms with a mean interval to recurrence of 8.0 months. Although adverse effects such as hypertension, infection, and mild brain shrinkage were noted in 13 patients (29.5%), no severe adverse effects were observed.
CONCLUSIONS: These results are comparable to those of other reports on the initial effectiveness and long-term seizure control following synthetic ACTH therapy, and suggest that administration without tapering is reasonable to treat patients with West syndrome.
METHODS: Forty-four patients with cryptogenic (n = 7) or symptomatic (n = 37) West syndrome were treated with synthetic ACTH therapy between 2003 and 2012. The synthetic ACTH dosage was 0.0125 mg/kg/day administered daily for 2 weeks and then stopped without a tapering period. The initial effectiveness, long-term seizure outcome, and adverse effects were examined.
RESULTS: During synthetic ACTH therapy, epileptic spasms disappeared in 37 of 44 patients (84.1%) and hypsarrhythmia on electroencephalography disappeared in 42 of 44 patients (95.5%). The average number of synthetic ACTH injections needed to achieve spasm control in these 37 patients was 5.8. Long-term seizure outcomes were assessed in 31 patients followed up for longer than half a year after synthetic ACTH therapy. Nine (29.0%) of these patients experienced recurrence of epileptic spasms, with a mean interval to recurrence of 2.4 months. Overall, 12 patients (38.7%) experienced various types of seizures other than spasms with a mean interval to recurrence of 8.0 months. Although adverse effects such as hypertension, infection, and mild brain shrinkage were noted in 13 patients (29.5%), no severe adverse effects were observed.
CONCLUSIONS: These results are comparable to those of other reports on the initial effectiveness and long-term seizure control following synthetic ACTH therapy, and suggest that administration without tapering is reasonable to treat patients with West syndrome.
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