The purpose of this study is to assess the safety, tolerability, and pharmacokinetics (the study of the way a drug enters and leaves the blood and tissues over time) of JNJ-49122944 in healthy male participants after a single intravenous (\[IV\] within a vein) dose administration.
This is a double-blind (neither the researchers nor the participants know what treatment the participant is receiving), randomized (study drug assigned by chance), placebo-controlled (an inactive substance; a pretend treatment \[with no drug in it\] that is compared in a clinical trial with a drug to test if the drug has a real effect), and single-center study. The study will consist of Screening Period (2 to 21 days prior to participants' dose administration), Double-blind Treatment Period (single dose of JNJ-49122944 or placebo on Day 1), and Safety Follow-up Period (4 to 7 days after discharge). The total duration of participation for each participant, including screening, will be up to approximately 4 weeks. Blood samples will be collected for assessment of pharmacokinetic parameters. Participants' safety will be monitored throughout the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
12
Participants will receive single dose of 5 mg JNJ-49122944, administered as a 22.2 mL IV infusion over 45 minutes on Day 1.
Participants will receive placebo matched to JNJ-49122944, administered as a 22.2 mL IV infusion over 45 minutes on Day 1.
Unnamed facility
Merksem, Belgium
Number of Participants With Adverse Events (AEs) or Serious Adverse Events (SAEs)
An AE is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE is an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Time frame: Throughout the duration of study (up to 4 weeks)
Maximum Plasma Concentration (Cmax) of JNJ-49122944
The Cmax is the maximum observed plasma concentration during dosing interval.
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Area Under the Plasma Concentration Time Curve From Time 0 to Last Quantifiable Time (AUClast) of JNJ-49122944
The AUC(last) is the area under the plasma concentration time curve from time 0 to the time corresponding to the last quantifiable plasma concentration.
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC [0-infinity]) of JNJ-49122944
The AUC(0-infinity) is the area under the plasma concentration-time curve from time zero to infinite time, calculated as the sum of AUC(last) and C(last)/lambda(z), wherein AUC(last) is area under the plasma concentration-time curve from time zero to last quantifiable time; C(last) is the last observed quantifiable concentration; and lambda(z) is elimination rate constant.
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Percentage of Area Under the Plasma Concentration-time Curve Obtained by Extrapolation (%AUC [infinity,ex]) of JNJ-49122944
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Percentage of area under the plasma concentration-time curve obtained by extrapolation (%AUC\[inf,ex\]) is calculated by dividing the difference of AUC(0-infinity) and AUC(0-last) by AUC(0-infinity) and then multiplying by 100 (AUC\[0-infinity\] - AUC\[0-last\])\*100/AUC\[0-infinity\].
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Elimination Half-life (t1/2) of JNJ-49122944
Elimination half-life (t \[1/2\]) is associated with the terminal slope (lambda \[z\]) of the semi logarithmic drug concentration-time curve, calculated as 0.693/lambda(z).
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Rate Constant (Lambda[z]) of JNJ-49122944
Lambda(z) is first-order rate constant associated with the terminal portion of the curve, determined as the negative slope of the terminal log-linear phase of the drug concentration-time curve.
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Apparent Clearance (CL) of JNJ-49122944
Apparent clearance of JNJ-49122944 is calculated as Dose/AUC(infinity). The AUC (infinity) is the area under the plasma concentration-time curve from time zero to infinite time.
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3
Apparent Volume of Distribution (Vz) of JNJ-49122944
Apparent volume of distribution after intravenous administration is calculated as Dose divided by Lambda(z) multiplied by AUC(0-inifinity).
Time frame: Pre-dose, 0.25, 0.50, 0.75, 1, 1.25, 1.75, 2.75, 4.75, 6.75, 12.75 hour post- dose on Day 1, 24.75 hour post-dose on Day 2, 48.75 hour post-dose on Day 3