Рассеянный склероз может быть побежден лекарством от аллергии
Ученые из Калифорнийского университета (University of California, США) выяснили, что антигистаминный препарат клемастин способен нивелировать повреждения организма, вызванные рассеянным склерозом. Клинические испытания клемастина при лечении рассеянного склероза проводятся с 2014 года. Результаты II фазы испытаний были опубликованы в журнале The Lancet 10 октября 2017 года.
Авторы исследования в течение 5 месяцев изучали влияние клемастина на пациентов, много лет страдающих РС. Всего в испытаниях приняли участие 50 человек.
Поскольку зрительная система при рассеянном склерозе страдает одной из первых, то в качестве контроля над эффективностью регистрировали зрительные вызванные потенциалы (ЗВП), которые позволяют легко оценить скорость передачи нервного импульса. ЗВП измерялись при помощи электродов, расположенных над зрительными областями мозга в момент просмотра участниками мерцающих картинок. Ученые замеряли время, которое требовалось для прохождения сигнала от глаз к соответствующей области мозга.
В течение 90 дней половина участников принимала клемастин (5,36 мг дважды в день), а вторая половина получала плацебо. Затем группы менялись и продолжали прием еще в течение 60 дней. Анализ показал, что препарат значительно увеличивал скорость передачи нервного импульса по зрительному нерву. Эффект сохранялся даже после прекращения приема лекарства экспериментальной группой и перехода на плацебо.
Это первый случай, когда лекарственное средство оказалось способно нивелировать повреждения, вызванные рассеянным склерозом, а не замедлить его прогрессирование, что, несомненно, станет огромным шагом вперед в борьбе с данным заболеванием.
Источники:
MedicalnewstodayTheLancet
21 октября 2017
Выпуск: №165, октябрь 20175190 просмотров
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