*Corresponding author:
xiehaitang@sina.com (Haitang Xie), shenjie-yjs@qq.com (Jie Shen)
#These authors contributed equally to this work.
The authors confirm that the PI for this paper is Haitang Xie and that he had direct clinical responsibility for patients.
Running head: S-oxiracetam, Phase I
Keywords:S-oxiracetam; safety; pharmacokinetics; chirality; dose proportionality
Word count: 4000
Tables count: 6
Figure count: 6