Nanjing Hailing Traditional Chinese Medicine Pharmaceutical Art Technical Research Co Lt

To explore the effect of different doses of Qinqiao Yanshu Granules on improving the symptoms/condition and TCM syndrome of acute pharyngitis (exogenous wind-heat syndrome) and shortening the course of the disease. To observe the safety of Qinqiao Yanshu Granules in clinical application.

To evaluate the safety and efficacy of levornidazole disodium phosphate injection in the treatment of pelvic anaerobic infections at different dosing regimens, compared with levornidazole sodium chloride injection (Unoan®).

1. Whether 15N-levo-ornidazole disodium phosphate can be rapidly converted into 15N-levo-ornidazole after intravenous infusion; and compare the amount of levo-ornidazole in the body after injection of approximately equimolar levo-ornidazole; and evaluate its pharmacokinetic characteristics. 2. Whether 15N-levo-ornidazole disodium phosphate can be rapidly converted into levo-ornidazole after intravenous infusion; and compare the amount of 15N-levo-ornidazole disodium phosphate in the body after injection of approximately equimolar 15N-levo-ornidazole disodium phosphate; and evaluate its pharmacokinetic characteristics.