The purpose of this multiple ascending dose study is to characterize the safety, tolerability, and the amount of GLPG0634 present in the blood and urine (pharmacokinetics) of once daily oral administrations of GLPG0634 at 3 different dose levels for 10 days in Japanese healthy subjects. Furthermore, the study will compare the safety, tolerability, pharmacokinetics, and effects of GLPG0634 on mechanism of action-related parameters in the blood (pharmacodynamics) of once daily oral administrations of GLPG0634 given at one dose level for 10 days in Japanese vs Caucasian healthy subjects.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
36
2 tablets of 25 mg GLPG0634 once daily for 10 days
1 tablet of 100 mg GLPG0634 once daily for 10 days
2 tablets of 100 mg GLPG0634 once daily for 10 days
Hammersmith Medicines Research (HMR)
London, United Kingdom
The number of subjects with adverse events
To evaluate the safety and tolerability of GLPG0634 versus placebo in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested in terms of adverse events (AEs)
Time frame: From screening up to 10 days after last dose (Day 20)
The number of subjects with abnormal laboratory parameters
To evaluate the safety and tolerability of GLPG0634 versus placebo in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested in terms of abnormal laboratory parameters
Time frame: From screening up to 10 days after last dose (Day 20)
The number of subjects with abnormal vital signs
To evaluate the safety and tolerability of GLPG0634 versus placebo in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested in terms of abnormal vital signs
Time frame: From screening up to 10 days after last dose (Day 20)
The number of subjects with abnormal electrocardiogram
To evaluate the safety and tolerability of GLPG0634 versus placebo in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested in terms of abnormal electrocardiogram
Time frame: From screening up to 10 days after last dose (Day 20)
The number of subjects with abnormal physical examination
To evaluate the safety and tolerability of GLPG0634 versus placebo in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested in terms of abnormal physical examination
Time frame: From screening up to 10 days after last dose (Day 20)
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1 or 2 matching placebo tablets once daily for 10 days
The amount of GLPG0634 and metabolite in plasma and urine
To characterize the amount of GLPG0634 and metabolite in plasma and urine over time - pharmacokinetics (PK) - in Japanese subjects at different dose levels, and between Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested Safety Issue?: No
Time frame: Between Day 1 before dosing and Day 13 (72 hours after last dose)
The amount of GLPG0634 mechanism-of-action-related biomarkers in blood
To characterize the effects of GLPG0634 on mechanism of action-related biomarkers in the blood over time - pharmacodynamics (PD) - in Japanese and Caucasian subjects at the highest dose level of GLPG0634 tested
Time frame: Between Day 1 before dosing and Day 11 (24 hours after last dose)