在两年多的时间里，他测试了40种化合物，结果证明都不具备药物学活性。
Over two years, he tested 40 compounds. They turned out to be pharmacologically inert.
这项在日本的为期三个月的多所中心研究计划包括对279例对普通药物左旋多巴反应性差的帕金森病患者进行症状测试。
The three-month, multi-center study in Japan involved 279 Parkinson disease patients who weren't responding well to the commonly used drug, levodopa, to manage their symptoms.
今天，新药物和治疗策略是可提供和新导线目前被在多中心的审讯测试。
Today, new medications and treatment strategies are available and new leads are currently tested in multi-center trials.
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