This is a randomized, placebo controlled, double-blind study with two separate cohorts to assess safety, tolerability and pharmacokinetics of verinurad and allopurinol in healthy subjects. In cohort 1, twelve Asian subjects will be treated with allopurinol 300mg for 7 days followed by either allopurinol 300mg and verinurad 24mg or matching placebo for 7 days. In Cohort 2, nine Chinese subjects will be treated with allopurinol 300mg for 7 days followed by allopurinol 300mg and verinurad 12mg administered on 7 out of 8 days.
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Number of participants with adverse events
Timeframe: From screening up to Follow-up visit/Early discontinuation visit (EDV) (7-14 Days Post-last PK Sample)
Number of participants with abnormal findings in electrocardiography (ECG)
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Number of participants with abnormal pulse rate
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Number of participants with abnormal hematology
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Number of participants with abnormal blood pressure (systolic and diastolic)
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)]
Number of participants with abnormal physical examination
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK sample)]
Number of participants with abnormal electrolytes
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK smaple)]
Number of participants with abnormal hemoglobin (Hb)
Timeframe: From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Number of participants with abnormal hematocrit
Timeframe: From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Number of participants with abnormal Mean corpuscular volume (MCV)
Timeframe: From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Number of participants with abnormal mean corpuscular hemoglobin (MCH)
Timeframe: From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Number of participants with abnormal mean corpuscular hemoglobin concentration (MCHC)
Timeframe: From screening up to Followup visit/EDV (7-14 Days Postlast PK Sample)
Number of participants with abnormal clinical chemistry
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)
Number of participants with abnormal urinalysis.
Timeframe: From screening up to Follow-up visit/EDV (7-14 Days Post-last PK Sample)