The primary objective of this study is to investigate the safety and tolerability of UCB5857.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
60
* Active Substance: UCB5857 * Pharmaceutical Form: Capsule * Concentrations: 5 mg, 10 mg, 20 mg, 30 mg, 50 mg, 100 mg * Route of Administration: Oral Use
* Active Substance: Placebo * Pharmaceutical Form: Capsule * Concentrations: 5 mg, 10 mg, 20 mg, 30 mg, 50 mg, 100 mg * Route of Administration: Oral Use
1
Harrow, United Kingdom
Incidence of Adverse Events during the study
Time frame: Day -1 to multiple dose Day 17
Area under the plasma concentration-time curve from time 0 to the last quantifiable concentration (AUC(0-t))
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
Area under the plasma concentration-time curve from time 0 to 24 hours (AUC(0-24))
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
Area under the plasma concentration-time curve from time 0 to infinity (AUC)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The maximum observed plasma concentration of UCB5857 after single dosing, obtained directly from the observed plasma concentration-time curves (Cmax)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The time of occurrence of Cmax, obtained directly from the observed plasma concentration-time curves (tmax)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The apparent terminal half-life (t1/2)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The terminal elimination rate constant in plasma (λz)
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Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The apparent volume of distribution after single dosing (Vz/F)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
The apparent total body clearance after single dosing (CL/F)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
Mean residence time (MRT)
Time frame: Pharmacokinetic samples will be taken predose and 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 24, 48 and 72 hours postdose
Area under the plasma concentration-time curve from time 0 to the last quantifiable concentration (AUC(0-t))
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Area under the plasma concentration-time curve from time 0 to 24 hours (AUC(0-24))
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The time of occurrence of Cmax, obtained directly from the observed plasma concentration-time curves (tmax)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The apparent terminal half-life (t1/2)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The terminal elimination rate constant in plasma (λz)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Mean residence time (MRT)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The apparent volume of distribution at steady state (Vzss/F)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The apparent total body clearance at steady state (CLss/F)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The maximum observed plasma concentration of UCB5857 during steady state, obtained directly from the observed plasma concentration-time curves (Cmaxss)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
The minimum observed plasma concentration of UCB5857 during steady state immediately before the next dose would be administered, obtained directly from the observed plasma concentration-time curves (Ctrough)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Accumulation factor based on AUC(0-24) (RAUC)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Accumulation factor based on Cmax (R(Cmax))
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Time independency factor (TI)
Time frame: Pharmacokinetic samples will be taken predose on MD-Days 1 to 13, predose, 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, and 10 hours postdose on MD-Day 14, 24 hours postdose (MD-Day 15), 48 hours postdose (MD-Day 16) and 72 hours postdose (MD-Day 17)
Basophil degranulation
Time frame: Samples will be taken at Screening, SD-Day 1 (predose, 0.25, 0.5, 1, 2, 4, 6, 8, 10 hours postdose) and 24, 48 hours postdose. Samples will also be taken on MD-Days 4, 8 , 13 at predose, 0.25, 0.5, 1, 2, 4, 6, 8 and 10 hours postdose