AED is increasingly being used to prevent migraine headaches, double-blind controlled studies suggest that valproic acid (VPA) or double valproic acid, TPM, GBP had a good effect on migraine.

AED正越来越多地被用于预防偏头痛，双盲对照研究提示，丙戊酸(VPA)或双丙戊酸、TPM、GBP对偏头痛均有较好疗效。

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A spokesman added: 'The claim was supported by well-designed, double-blind, placebo-controlled human studies.

一位发言人补充道：“这个断言得到严格设计、双盲和安慰剂对照人体研究的支持。”

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The approval was based on data from 2 prospective, randomized, double-blind placebo-controlled clinical studies.

这次批准的依据是2次前瞻性随机双盲安慰剂控制对照临床研究的数据。

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Studies that were often double-blind and placebo-controlled.

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