Chongqing Dongze Medicine Technology Development Co., Ltd.

Primary objectives (1) To evaluate the safety and tolerability of (S)-Oxiracetam capsules after single and multiple oral administration in healthy Chinese subjects. (2) To evaluate the pharmacokinetic characteristics of (S)-Oxiracetam capsules after single and multiple oral administration in healthy Chinese subjects. Secondary objectives (1) To evaluate the chiral transformation of (S)-Oxiracetam capsules in healthy Chinese subjects. (2) To evaluate the effect of food on the absorption of (S)-Oxiracetam capsules. (3) To explore the metabolite profile of (S)-Oxiracetam capsules in healthy Chinese subjects.