This will be a drug-drug interaction study to evaluate the effect of multiple oral doses of GLPG0634 on the single dose pharmacokinetic profile of midazolam administered in fasted normal healthy males. Each subject will receive a single oral dose of midazolam (2 mg) on 2 occasions: on Day 1, before dosing with GLPG0634 and on Day 8, after multiple oral doses of GLPG0634 (daily for 7 days). Also, the safety and tolerability of multiple oral doses of GLPG0634 co-administered with midazolam in healthy male subjects will be evaluated.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
20
Covance Clinical Research Unit
Madison, Wisconsin, United States
The amount of (1'-OH) Midazolam in plasma over time before and after multiple oral doses of GLPG0634
To characterize the amount of (1'-OH) Midazolam in plasma over time before and after multiple doses of GLPG0634 - pharmacokinetics (PK) - in healthy subjects
Time frame: Between predose and up to 24h postdose on Day 1 and Day 8
The amount of GLPG0634 and metabolite in plasma over time after multiple oral doses of GLPG0634 (and co-administration of Midazolam on Day 8)
To characterize the amount of GLPG0634 and metabolite in plasma over time after multiple doses of GLPG0634 (and co-administration of Midazolam on Day 8) - pharmacokinetics (PK) - in healthy subjects
Time frame: Between predose (Day 2) and up to 96h after the last dose on Day 8 (on Day 12)
Number of adverse events
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of the number of adverse events reported
Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)
Changes in vital signs as measured by pulse, supine blood pressure, oral temperature (and respiratory rate only 1 hour post Midazolam dosing)
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of changes in vital signs as measured by pulse, supine blood pressure, oral temperature (and respiratory rate) reported
Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)
Changes in 12-lead ECG measures
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of changes in 12-ECG measures reported
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Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)
Changes in physical exam measures
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of changes in physical examination reported
Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)
Changes in blood safety lab parameters
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of changes in blood safety lab parameters reported
Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)
Changes in urine safety lab parameters
To evaluate the safety and tolerability of GLPG0634 after multiple oral doses in healthy subjects with or without coadministration of Midazolam in terms of changes in urine safety lab parameters reported
Time frame: Between screening and 7-10 days after the last dose of GLPG0634 (Day 15-18)