华森制药公告，公司近日收到国家药监局核准签发的《药物临床试验批准通知书》，主要内容为：药物名称CX001缓释片，剂型为缓释片剂，申请事项为临床试验申请，注册分类为化学药品2.2类，申请人为重庆华森制药股份有限公司。根据《中华人民共和国药品管理法》及有关规定，经审查，同意本品开展“用于治疗带状疱疹后神经痛”适应症的临床试验。CX001缓释片为公司自研产品，将速释制剂改良为缓释制剂（胃滞留缓释片），该缓释制剂可降低给药频率、增加患者顺应性、提高睡眠质量。
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