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This study is to evaluate pharmacokinetics (PK), pharmacodynamics (PD) and safety of 160 mg enteric-coated micronised free base darapladib in healthy Chinese subjects.
Full description
SB-480848 (darapladib) is a novel selective and orally active inhibitor of lipoprotein-associated phospholipase A2 (Lp-PLA2) being developed by GlaxoSmithKline (GSK) for the treatment of atherosclerosis.
This will be an open label study where each Subject will participate in 2 study sessions, a single dose session and a repeat dose session. All Subjects will receive 160 mg of enteric coated micronised free-base darapladib as a single dose and as repeated daily doses for 28 days.
The purpose of this study is to evaluate the pharmacokinetics (PK) and pharmacodynamics (PD) and safety of single and repeat oral dose of darapladib in healthy Chinese Subjects. The primary endpoints for safety are: clinical safety data from spontaneous adverse event reporting, 12-lead electrocardiogram recording, vital sign measurement, nursing/physician observation and clinical laboratory tests. The primary PK parameters of interest are area under plasma concentration time curve (AUC) and maximum plasma concentration (Cmax) of darapladib, while the secondary PK parameters of interest are: time of occurrence of Cmax (Tmax) and apparent terminal phase half-life (t1/2) of darapladib as well as AUC, Cmax, Tmax and t1/2 of the metabolite, SB-553253. Finally, the PD endpoint of interest is plasma Lp PLA2 activity, as expressed in terms of percent inhibition relative to baseline.
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Inclusion criteria
Non-childbearing potential defined as pre-menopausal females with a documented tubal ligation or hysterectomy [for this definition, "documented" refers to the outcome of the investigator's/designee's review of the Subject's medical history for study eligibility, as obtained via a verbal interview with the Subject or from the Subject's medical records]; or postmenopausal defined as 12 months of spontaneous amenorrhea [in questionable cases a blood sample with simultaneous follicle stimulating hormone (FSH) >40 MlU/ml and estradiol < 40 pg/ml (<147 pmol/L) is confirmatory].
Child-bearing potential with negative pregnancy test as determined by urine human chorionic gonadotropin (hCG) test at screening or prior to dosing and Agrees to use 1 of the contraception methods listed in Section 4.3.1 from the time of Screening to sufficiently minimize the risk of pregnancy at that point. Female Subjects must agree to use contraception until the follow-up contact.
QT duration corrected for heart rate by Bazett's formula (QTcB) or QT duration corrected for heart rate by Fridericia's formula (QTcF) <450 msec; QTc <480 msec in Subjects with Bundle Branch Block.
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24 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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