A SAD/MAD Study to Evaluate the Safety, Tolerability, PK of MT200605 in Healthy Subjects

Two stages (SAD, MAD) were designed in this study. For SAD, the MT200605 will single Intravenous (IV) infusion for 1h with the dose level as 0.15 mg/kg、0.3 mg/kg、0.6 mg/kg、0.9 mg/kg、1.2 mg/kg. For MAD, the participants will IV infusion of the MT200605 for 7 days with 2 times per day under the dose level of 0.3 mg/kg、0.6 mg/kg、1.2 mg/kg. The dosing frequency will be Q12h. The drug/placebo in day 7 will be only administrated for 1 time on morning. The infusion duration will be 1h.

Two stages (SAD, MAD) were designed in this study. For SAD, the MT200605 Placebo will single Intravenous (IV) infusion for 1h with the dose level as 0.15 mg/kg、0.3 mg/kg、0.6 mg/kg、0.9 mg/kg、1.2 mg/kg. For MAD, the participants will IV infusion of the MT200605 Placebo for 7 days with 2 times per day under the dose level of 0.3 mg/kg、0.6 mg/kg、1.2 mg/kg. The dosing frequency will be Q12h. The drug/placebo in day 7 will be only administrated for 1 time on morning. The infusion duration will be 1h.