The Safety, Tolerability and Pharmacokinetic Study of Asthma Treatment Drug Litapiprant Tablets in Healthy Male and Female subjects.
This was a Randomized，Double-blind, Placebo-controlled, Single Ascending Dose, Single-center Study to Assess the Safety, Tolerability and Pharmacokinetic of Litapiprant Tablets in Healthy Male and Female subjects. A total of 60 healthy subjects were divided into 7 groups. Group 1 consist of 4 subjects, 3 subjects will receive Litapiprant Tablets and 1 subject will receive placebo.Group 2,3,5,6 consist of 8 subjects respectively, in each group, 6 subjects will receive Litapiprant Tablets and 2 subjects will receive placebo.Group 4,7 consist of 12 subjects respectively, in each group, 10 subjects will receive Litapiprant Tablets and 2 subjects will receive placebo.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
60
Small molecules inhibitors of the chemoattractant receptor homologous molecule expressed on Th2 cells
Beijing shijitan hospital
Beijing, Beijing Municipality, China
Adverse events
To assess the safety and tolerability after a single dose of Litapiprant Tablets
Time frame: Baseline to day 8~10
AUC0-∞
area under the concentration versus time curve (AUC) from time zero to infinity
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing
AUC0-t
AUC from time zero to the time of the last quantifiable concentration time zero to the time of the last quantifiable concentration
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing
Cmax
maximum observed plasma concentration
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing
tmax
time of the maximum observed plasma concentration
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing
t½
apparent terminal elimination half-life
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing
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Vz/F
apparent volume of distribution
Time frame: Prior to dosing（0 hour）and 0.25 hour、0.5 hour、1 hour、1.5 hours、2 hours、3 hours、4 hours、6 hours、8 hours、10 hours、12 hours、24 hours、36 hours、48 hours、72 hours、96 hours after dosing