[Translation] A multicenter, randomized, double-blind, placebo-controlled, parallel clinical trial on the efficacy and safety of melatonin sustained-release tablets in the treatment of primary insomnia
试验目的是以褪黑素缓释片模拟片(安慰剂)作为对照,评价褪黑素缓释片治疗原发性失眠症的有效性和安全性。
[Translation] The purpose of the trial is to evaluate the efficacy and safety of melatonin sustained-release tablets in the treatment of primary insomnia by using melatonin sustained-release tablets as a control (placebo).