The objective of this study is to determine the safety and tolerability and to determine the Pharmacokinetic and Pharmacodynamic(PK/PD) of ascending multiple oral dose of BR-A-657 in healthy male subjects.
BR-A-657 120, 360, or placebo were administered once daily for 7days to 16 healthy male subjects. Pharmacokinetic and Pharmacodynamic(PK/PD) parameters were monitored at pre-specified times from each subjects. PK parameters: Area Under the Curve(AUC), Cmax, half-life, etc. PD parameters: Aldosterone, Plasma renin activity, Angiotensin I, Angiotensin II Adverse events are reported.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
DOUBLE
Enrollment
16
120, 360mg or placebo 7days
No of subjects with Adverse events(AE) from each observations
1. AE reporting: Day 1: Predose, 3 \& 12h, Days 2\~7: Predose, Days 8,9: Once daily, 5\~7days post final dose 2. Vital signs: Day 1: Predose, 0.5,1,2,4,8,12,24h,Days 3\~6: Predose Day 7: Predose, 0.5,1,2,4,8,12,24,48h, 5\~7days post final dose 3. ECG: Days 1 \& 7: Predose, 2, 4, 8 \& 24h, Day 4: Predose, 5\~7days post final dose 4. Laboratory examination: Days 1 \& 4: Predose, Day 7: Predose \& 24h, 5\~7days post final dose 5. Physical examination: predose, 5\~7days post final dose 6. Body weight: predose, Days 4 \& 8
Time frame: up to 5~7days post final(7th) dose
Area under the plasma concentration time curve (AUC)
Time frame: predose,0.5,1,1.5,2,3,4,6,8,12,16,24,(48)h on day 1 and day 7
Maximum observed plasma concentration (Cmax).
Time frame: predose,0.5,1,1.5,2,3,4,6,8,12,16,24,(48)h on day 1 and day 7
parent plasma terminal elimination half life (t½)
Time frame: predose,0.5,1,1.5,2,3,4,6,8,12,16,24,(48)h on day 1 and day 7
Apparent total plasma clearance (CL/F)
Time frame: predose,0.5,1,1.5,2,3,4,6,8,12,16,24,(48)h on day 1 and day 7
Accumulation ratio (RA)
RA1=Accumulation ratio based on AUCinf RA2=Accumulation ratio based on Cmax
Time frame: predose,0.5,1,1.5,2,3,4,6,8,12,16,24,(48)h on day 1 and day 7
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