The primary purpose of this study is to assess the safety and tolerability of JNJ-64179375 in Part 1 and 2.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
40
JNJ-64179375 0.3 milligram per kilogram (mg/kg) intravenous (IV) infusion on Day 1.
JNJ-64179375 1.0 mg/kg on Day 1 administered as IV infusion (for Part 1) and SC injection (for Part 2).
JNJ-64179375 2.5 mg/kg IV infusion on Day 1.
Souseikai Hakata Clinic
Fukuoka, Japan
Hammersmith Medicines Research Ltd
London, United Kingdom
Part 1: Number of Participants With Adverse Events as a Measure of Safety and Tolerability
An adverse event is any untoward medical event that occurs in a participant administered an investigational product, and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product.
Time frame: Up to Day 113
Part 2: Number of Participants With Adverse Events as a Measure of Safety and Tolerability
An adverse event is any untoward medical event that occurs in a participant administered an investigational product, and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product.
Time frame: Up to Day 113
Part 1 and 2: Maximum Observed Plasma Concentration (Cmax) of JNJ-64179375
Cmax is the maximum observed plasma concentration.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1 and 2: Area Under the Plasma Concentration-Time Curve From Time Zero to Last Quantifiable Time (AUC [0-last]) of JNJ-64179375
The AUC (0-last) is the area under the plasma concentration-time curve from time zero to last quantifiable time.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1 and 2: Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC[0-infinity]) of JNJ-64179375
The AUC (0-infinity) is the area under the plasma concentration-time curve from time zero to infinite time.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1: Total Systemic Clearance (CL) of JNJ-64179375
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.
Matching placebo on Day 1 administered as IV infusion (for Part 1) and SC injection (for Part 2).
JNJ-64179375 IV infusion (Dose to be determined).
CL is defined as total systemic clearance after intravenous administration of JNJ-64179375.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1: Apparent Volume of Distribution at Terminal Phase After Intravenous Administration (Vz) of JNJ-64179375
Vz is defined as the Apparent volume of distribution at terminal phase after intravenous administration.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1 and 2: Terminal Half-Life (t1/2) of JNJ-64179375
Half-life is the time measured for the plasma concentration of drug to decrease by one half.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 2: Total Systemic Clearance Over Bioavailability After Subcutaneous (SC) Administration (CL/F) of JNJ-64179375 post-dose
CL/F is defined as total systemic clearance over bioavailability after SC administration.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 2: Apparent Volume of Distribution at Terminal Phase Over Bioavailability After Subcutaneous Administration (Vz/F) of JNJ-64179375
(Vz/F) is defined as Apparent Volume of distribution at terminal phase over bioavailability after SC administration of JNJ-64179375.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 2: Absolute Bioavailability (F) After Subcutaneous Administration of JNJ-64179375
F is defined as absolute bioavailability after SC administration of JNJ-64179375.
Time frame: Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose
Part 1 and 2: Immunogenicity of JNJ-64179375
Plasma samples will be collected and screened for antibodies binding to JNJ-64179375 and the titer of confirmed positive samples will be reported.
Time frame: Predose, Day 7, 14, 29, 57, 85 and 113 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Thrombin Time (TT)
The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in thrombin time (TT).
Time frame: Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Prothrombin Time (PT)
The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in prothrombin time (PT).
Time frame: Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Activated Partial Thromboplastin time (aPTT)
The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in activated partial thromboplastin time (aPTT).
Time frame: Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Ecarin Clotting time (ECT)
The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in Ecarin Clotting time (ECT).
Time frame: Predose, Day 1, 2, 4, and 14 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 on Platelet Function
Platelet function will be assessed by measuring platelet activation and aggregation in response to thrombin and other agonists and with the platelet function analyzer (PFA)100.
Time frame: Predose, Days 1 and 14 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Thrombin Generation Assay (TGA)
The TGA is based on the premise that measurements of thrombin generation are indicative of the overall coagulating capacity of the individual.
Time frame: Predose, Day 1 and 14 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by D-dimer
The D-dimer assay is an enzyme immunoassay procedure for the quantitative determination of D-dimer.
Time frame: Predose, Day 1 and 14 post-dose
Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in International Normalized Ratio (INR)
The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in international normalized ratio (INR).
Time frame: Predose, Day 1, 2,4, 7, 14, 29, 57 and 113 post-dose
Part 2: Time to Maximum Observed Plasma Concentration (Tmax) After Subcutaneous Administration of JNJ-64179375
The Tmax is defined as actual sampling time to reach maximum observed plasma concentration.
Time frame: Predose, Day 1, 2,4, 7, 10, 14, 22, 29,43, 57, 85 and 113 post-dose