59
Participants
Start Date
April 25, 2020
Primary Completion Date
August 18, 2020
Study Completion Date
November 20, 2020
meplazumab for injection
single dose: 6 dose level, multiple dose: 0.3mg/kg/dose
Placebo
placebo
Xijing Hospital of the Fourth Military Medical University, Xi'an
Xijing Hospital
OTHER