The objectives of this study were to evaluate the safety and tolerability of lucerastat and to determine its pharmacokinetic profile after multiple dosing. Also, the potential effect of food on the pharmacokinetics of lucerastat was explored following a single dose of 500 mg.
The subjects were to be enrolled sequentially to three dose groups, starting with the lowest dose level. Subjects could participate in only one Group. Progression to an increased dose of lucerastat was permitted only after review of all data from the previous cohort suggested that it was safe to do so.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
37
Capsule for oral administration containing lucerastat
Placebo capsules matching lucerastat capsules
Investigator Site
Edinburgh, United Kingdom
Dose proportionality in lucerastat pharmacokinetics assessed by maximum plasma concentration (Cmax)
Cmax was used to assess dose proportionality across all dose groups
Time frame: PK blood samples were collected on Day 7, at pre-dose and at scheduled time points up to 48 hours after the morning dose
Dose proportionality in lucerastat pharmacokinetics assessed by area under the concentration-time curve (AUC)
AUC from time zero to infinity \[AUC(0-inf)\] was used to assess dose proportionality across all dose groups
Time frame: PK blood samples were collected on Day 7, at pre-dose and at scheduled time points up to 48 hours after the morning dose on Day 7
Terminal elimination half-life (t1/2)
t1/2 was calculated from the plasma concentrations-time curves of lucerastat after multiple doses
Time frame: PK blood samples were collected on Day 7, at pre-dose and at scheduled time points up to 48 hours after the morning dose on Day 7
Food effect on lucerastat pharmacokinetics assessed by Cmax
Potential food effect on pharmacokinetic parameters of lucerastat was tested by comparing Cmax in fed vs fasted state in the 500 mg cohort (cohort 2)
Time frame: PK blood samples were collected on Day 1, at pre-dose and at scheduled time points up to 12 hours after the morning dose
Food effect on lucerastat pharmacokinetics assessed by AUC
Potential food effect on pharmacokinetic parameters of lucerastat was tested by comparing AUC in fed versus fasted state in the 500 mg cohort (cohort 2)
Time frame: PK blood samples were collected on Day 1, at pre-dose and at scheduled time points up to 12 hours after the morning dose
Number of participants with adverse events (AEs)
An AE was defined as any untoward medical occurrence in a clinical investigation subject, which did not necessarily have a causal relationship with the treatment
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Time frame: From baseline up to Day 14 (end of study)
Change from baseline in haematology after multiple doses of lucerastat
Time frame: Up to Day 9
Change from baseline in clinical chemistry after multiple doses of lucerastat
Time frame: Up to Day 9
Change from baseline in heart rate after multiple doses of lucerastat
Time frame: Up to Day 9
Change from baseline in haematology after a single dose of lucerastat
Time frame: At 24 hours post dose
Change from baseline in clinical chemistry after a single dose of lucerastat
Time frame: At 24 hours post dose
Change from baseline in heart rate after a single dose of lucerastat
Time frame: At 24 hours post dose
Change from baseline in blood pressure after a single dose of lucerastat
Time frame: Up to 24 hours post dose
Change from baseline in electrocardiogram (ECG) variables after a single dose of lucerastat
Time frame: Up to 24 hours post dose
Stool frequency after multiple doses of lucerastat
Time frame: Every day up to Day 9
Change from baseline in body weight after multiple doses of lucerastat
Time frame: At Day 9