期刊
MUSCLE & NERVE
卷 39, 期 2, 页码 137-143出版社
WILEY
DOI: 10.1002/mus.21213
关键词
amyotrophic lateral sclerosis; sialorrhea; drooling; botulinum toxin; quality of life
资金
- National ALS
- Solstice Pharmaceuticals
Twenty ALS patients with sialorrhea refractory to medical therapy were enrolled in this double-blind, randomized study to receive either 2,500 U of botulinum toxin type B (BTxb) or placebo into the bilateral parotid and submandibular glands using electromyographic guidance. Patients who received BTxb reported a global impression of improvement of 82% at 2 weeks compared to 38% of those who received placebo (P < 0.05). This significant effect was sustained at 4 weeks. At 12 weeks, 50% of patients who received BTxb continued to report improvement compared to 14% of those who received placebo. There were no significant adverse events, including dysphagia, in the BTxb group, and there was no significant increase in the rate of decline of vital capacity.
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