Study of Potential for Interaction of Fluconazole With F901318
Status:
Completed
Trial end date:
2016-06-01
Target enrollment:
Participant gender:
Summary
This will be an open label study in two parts. In the first part, F901318 (dose 2 mg/kg IV
over 4 hours, Day 1) will be followed by F901318 (2 mg/kg IV over 4 hours) given on Day 8,
after dosing with fluconazole 800 mg daily for 1 day (Day 4) and 400 mg daily orally for 4
days (Days 5 to 8). Up to twenty subjects will be included in two cohorts which will undergo
the same dosing schedules of fluconazole and F901318 and undergo the same procedures. The
first cohort will consist of 12 subjects studied in two groups of six subjects each. If there
is clearly a difference in F901318 kinetics detectable before and after dosing with
fluconazole in this first cohort, the second cohort will not be studied. If there is no clear
difference, the second cohort will also be studied to give a final result. In this cohort,
based on the pharmacokinetic findings in cohort 1, the dose of F901318 may be increased to up
to 4 mg/kg to establish a dose suitable for phase 2 evaluation. PK sampling for plasma
F901318 will continue from before the first dose up to and including 72 hours after dosing.
PK sampling for fluconazole will continue from before the first dose and up to 72 hours after
the fifth dose. A follow up visit will be conducted 7 +/- 2 days after discharge from the
clinical unit following completion of blood sampling following the second dose of F901318 and
the fifth dose of fluconazole.
The second part of the study will take place if no appreciable change in the pharmacokinetics
of either F901318 or fluconazole has been observed in either the first or the second cohorts
in the first part of the study. This second part will enrol 12 subjects. These subjects will
receive fluconazole 800 mg daily for one day (Day 1) and 400 mg daily orally for 4 days (Days
2 to 5) in combination with F901318 which will be given in a dose of up to 4 mg/kg IV bid for
one day (Day 1) followed by 7 doses of intravenous F901318 up to 2.5 mg/kg bid (Days 2 to 5).
Pharmacokinetic profiles of F901318 and fluconazole will be obtained during dosing and over a
72-hour period following the final dose of both compounds.