Single-centre, open-label, non-randomised, single dose study in 2 cohorts of healthy subjects. It is planned to enrol 6 healthy male subjects in Cohort A (standard mass balance and metabolite profiling cohort) and up to 6 subjects in Cohort B (biliary evaluation cohort); each subject will receive a single oral administration of 120 mg \[14C\]-olorofim oral solution containing approximately 3.7 MBq (100 µCi).
Subjects will be screened up to 28 days prior to dosing and eligible subjects will be admitted to the Clinical Research Unit (CRU) on the day prior to dosing (Day-1). Each subject will be dosed on the morning of Day 1 after an overnight fast. Cohort A: Subjects will remain resident in the CRU up to 336 h post-dose (Day 15), with whole blood, plasma, urine and faeces collected throughout this period. There may be up to two further 24 h residency periods (Days 21 to 22 and Days 28 to 29) for collection of plasma, urine and faeces if discharge criteria are not met. Cohorts B1 and B2: Subjects will remain resident in the CRU up to 96 h post-dose (Day 5) for collection of plasma, urine, faeces and bile. Subjects will return for a short follow-up visit on Day 10. Cohort B1 subjects will have bile sampling up to 6 h postdose and Cohort B2 subjects will have bile sampling up to 12 h postdose. Cohort B divided into 2 sub-cohorts for logistical reasons only.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
12
single oral dose (120 mg, 3.7 MBq)
PRA Health Sciences
Groningen, Netherlands
Mass balance
% dose recovered in urine and faeces
Time frame: 28 days
Metabolite profiling
number of metabolites in plasma, urine and faeces \> 10% of circulating radioactivity
Time frame: 15 days
biliary elimination
radioactivity present in bile (ug equiv/g)
Time frame: 5 days
Maximum plasma concentration (Cmax) for olorofim, F902412 and total radioactivity
Time frame: 15 days
time of maximum plasma concentration (Tmax) for olorofim, F902412 and total radioactivity
Time frame: 15 days
elimination half life (t1/2) for olorofim, F902412 and total radioactivity
Time frame: 15 days
Area under plasma concentration curve (AUC) for olorofim, F902412 and total radioactivity
Time frame: 15 days
Number of subjects with treatment-related adverse events
Time frame: 28 days
Number of subjects with clinically significant change from baseline in vital signs, laboratory parameters, and electrocardiogram findings
Time frame: 28 days
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