This study includes Part A and Part B. Part A is a dose-finding study for subjects with chronic liver disease-related thrombocytopenia scheduled for elective surgery. Part B is a multicenter, randomized, double-blind, placebo-controlled Phase III clinical study designed to evaluate the efficacy and safety of Herombopag compared to placebo in patients with chronic liver disease-related thrombocytopenia undergoing elective invasive surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
101
Herombopag tablets; dose 1 or dose 2, for 5 days
Herombopag placebo tablets; dose 1 or dose 2, for 5 days
Zhongshan Hospital, affiliated with Fudan University
Shanghai, Shanghai Municipality, China
RECRUITINGPart A: CL/F
Time frame: 0 minute to 5 days
Part A: Vc/F
Time frame: 0 minute to 5 days
Part A: ka
Time frame: 0 minute to 5 days
Part A: Q/F
Time frame: 0 minute to 5 days
Part A: AUC0-tau
Time frame: 0 minute to 5 days
Part A: Cmax
Time frame: 0 minute to 5 days
Part A: Kin
Time frame: 0 minute to 35 days
Part A: Kout
Time frame: 0 minute to 35 days
Part A: Kdeg
Time frame: 0 minute to 35 days
Part A: Slope
Time frame: 0 minute to 35 days
The proportion of subjects whose platelet count is ≥50×10^9/L within 24 hours before surgery and has increased by ≥20×10^9/L from baseline, and who have not received platelet transfusion or other treatments to raise platelet levels before surgery
Part B
Time frame: 0 minute to 11 days
The proportion of subjects with a platelet count of ≥50×10^9/L within 24 hours before surgery
Time frame: 0 minute to 11 days
The duration of time during the study when the platelet count remains ≥50×10^9/L
Time frame: 0 minute to 35 days
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