Objectives: To determine pharmacokinetic (PK) variables, including absolute bioavailability (F), of Genz-99067, the free base of the L-tartaric acid salt of Genz-112638 as it exists in plasma, after a single intravenous (IV) dose and after a single oral dose of Genz-112638 (unlabeled). To determine the PK, total recovery, routes and rates of excretion, and the metabolic profile of Genz-99067 after 5 days of BID oral dosing with unlabeled Genz-112638 followed by a single dose of \[14C\]-Genz-112638.
The maximum study duration for an individual subject was approximately 65 days from the beginning of Screening through the Safety Follow-up visit.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
10
Pharmaceutical form:Solution-Route of administration:IV
Pharmaceutical form:Capsule-Route of administration:Oral
Pharmaceutical form:Solution-Route of administration:Oral
Assessment of pharmacokinetic (PK) parameter: Cmax
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: Tmax
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: AUC0-∞
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: AUC0 -τ
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: AUC0-∞/D
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: AUC0-τ/D
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: F
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: CL/F
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: t½
Plasma concentrations of Genz-99067 will be collected at pre-specified timepoints
Time frame: Multiple timepoints up to Day 26
Pharmacokinetic (PK) parameter: Absolute bioavailability (F) of single-dose oral versus single-dose IV administration
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: Total radioactivity excreted in urine and feces
Total radioactivity excreted in urine and feces will be converted to percentage of radioactive dose.
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: Total radioactivity in whole blood and plasma
Total radioactivity in whole blood and plasma will be converted to ngEq/g Genz-99067 concentration for whole blood and ngEq/mL for plasma, based on the dose specific activity.
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: % relative abundance of each component in samples of plasma or excreta
It will be estimated as \[(radioactivity for the HPLC peak)/(total radioactivity injected per HPLC run) x 100\].
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: The percentage of the administered dose attributed to each component in samples of urine or feces
It will be estimated as \[(% relative abundance)/100 x (percentage of radioactive dose in the sample)\].
Time frame: Multiple timepoints up to Day 26
Assessment of pharmacokinetic (PK) parameter: The radioactivity of [14C]-Genz-99067 and each major metabolite in plasma, as identified by radio-profiling
It will be converted to equivalent concentrations as \[(% relative abundance)/100 x (equivalent concentration of total radioactivity in the sample)\].
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: AUC0-t
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: AUC0-∞
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: Cmax
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: Tmax
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: t½
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: Vz/F
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters: CL/F
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters for urine and feces: Cum Ae
Time frame: Multiple timepoints up to Day 26
Noncompartmental PK parameters for urine and feces: % dose
Time frame: Multiple timepoints up to Day 26
Renal clearance (CLR) for total plasma radioactivity and Genz-99067
Time frame: Multiple timepoints up to Day 26
PK parameters [AUC0-τ, AUC0-∞, Cmax, Tmax, t½] and metabolite ratio for metabolite(s) of Genz-99067
Time frame: Multiple timepoints up to Day 26
Number of participants with treatment-emergent adverse events (TEAEs), serious adverse event (SAEs), and adverse event of special interest (AESI)
Time frame: Up to Day 33