Healthy
Conditions
Brief summary
The primary purpose of this study is to assess the safety and tolerability of JNJ-64179375 in Part 1 and 2.
Interventions
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.
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).
Sponsors
Study design
Eligibility
Inclusion criteria
* Must have been born in Japan of Japanese parents and maternal and paternal Japanese grandparents * Body mass index (weight kg/m\^2) between 18 and 27 kilogram per square meter (kg/m\^2) (inclusive), and body weight greater than 50 kg but less than 100 kg * Generally in good health on the basis of physical examinations, medical history, vital signs, laboratory tests, electrocardiograms (ECGs) and cardiac telemetry performed at Screening and/or prior to administration of the initial dose of study drug * Must sign an informed consent form (ICF) indicating that he understands the purpose of, and procedures required for, the study and is willing to participate in the study
Exclusion criteria
* History of or current clinically significant medical illness including (but not limited to) cardiac arrhythmias or other cardiac disease, hematologic disease, bleeding or thrombotic disorders (including any personal or family history of abnormal bleeding as assessed by a detailed bleeding history or blood dyscrasias), or with an underlying coagulopathy that may lead to a clinically relevant bleeding risk, autoimmune disease, lipid abnormalities, significant pulmonary disease, including bronchospastic respiratory disease, diabetes mellitus, renal or hepatic insufficiency, thyroid disease, neurologic or psychiatric disease, infection, or any other illness that the investigator considers should exclude the subject or that could interfere with the interpretation of the study results * Acute illness, including an upper respiratory infection (with or without fever), within 7 days prior to study drug administration or have had a major illness or hospitalization within 1 month prior to study drug administration * Clinically significant abnormal physical exam at Screening or Day -1 * Clinically significant abnormal vital signs at Screening, Day -1, or Day 1 (predose) as determined by the investigator or appropriate designee * Clinically significant abnormal cardiac telemetry, or ECG at Screening, Day -1, or Day 1 (predose) as determined by the investigator or appropriate designee
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Part 1: Number of Participants With Adverse Events as a Measure of Safety and Tolerability | Up to Day 113 | 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. |
| Part 2: Number of Participants With Adverse Events as a Measure of Safety and Tolerability | Up to Day 113 | 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. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Part 1 and 2: Area Under the Plasma Concentration-Time Curve From Time Zero to Infinite Time (AUC[0-infinity]) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | The AUC (0-infinity) is the area under the plasma concentration-time curve from time zero to infinite time. |
| Part 1: Total Systemic Clearance (CL) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | CL is defined as total systemic clearance after intravenous administration of JNJ-64179375. |
| Part 1: Apparent Volume of Distribution at Terminal Phase After Intravenous Administration (Vz) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | Vz is defined as the Apparent volume of distribution at terminal phase after intravenous administration. |
| Part 1 and 2: Terminal Half-Life (t1/2) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | Half-life is the time measured for the plasma concentration of drug to decrease by one half. |
| Part 2: Total Systemic Clearance Over Bioavailability After Subcutaneous (SC) Administration (CL/F) of JNJ-64179375 post-dose | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | CL/F is defined as total systemic clearance over bioavailability after SC administration. |
| Part 2: Apparent Volume of Distribution at Terminal Phase Over Bioavailability After Subcutaneous Administration (Vz/F) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | (Vz/F) is defined as Apparent Volume of distribution at terminal phase over bioavailability after SC administration of JNJ-64179375. |
| Part 2: Absolute Bioavailability (F) After Subcutaneous Administration of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | F is defined as absolute bioavailability after SC administration of JNJ-64179375. |
| Part 1 and 2: Immunogenicity of JNJ-64179375 | Predose, Day 7, 14, 29, 57, 85 and 113 post-dose | Plasma samples will be collected and screened for antibodies binding to JNJ-64179375 and the titer of confirmed positive samples will be reported. |
| Part 1 and 2: Maximum Observed Plasma Concentration (Cmax) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | Cmax is the maximum observed plasma concentration. |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Prothrombin Time (PT) | Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose | The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in prothrombin time (PT). |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Activated Partial Thromboplastin time (aPTT) | Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose | The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in activated partial thromboplastin time (aPTT). |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Ecarin Clotting time (ECT) | Predose, Day 1, 2, 4, and 14 post-dose | The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in Ecarin Clotting time (ECT). |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 on Platelet Function | Predose, Days 1 and 14 post-dose | 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. |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Thrombin Generation Assay (TGA) | Predose, Day 1 and 14 post-dose | The TGA is based on the premise that measurements of thrombin generation are indicative of the overall coagulating capacity of the individual. |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by D-dimer | Predose, Day 1 and 14 post-dose | The D-dimer assay is an enzyme immunoassay procedure for the quantitative determination of D-dimer. |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in International Normalized Ratio (INR) | Predose, Day 1, 2,4, 7, 14, 29, 57 and 113 post-dose | The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in international normalized ratio (INR). |
| Part 2: Time to Maximum Observed Plasma Concentration (Tmax) After Subcutaneous Administration of JNJ-64179375 | Predose, Day 1, 2,4, 7, 10, 14, 22, 29,43, 57, 85 and 113 post-dose | The Tmax is defined as actual sampling time to reach maximum observed plasma concentration. |
| Part 1 and 2: Pharmacodynamic Effect of JNJ-64179375 as Assessed by Change in Thrombin Time (TT) | Predose, Day 1, 2, 4, 7, 14, 29, 57 and 113 post-dose | The pharmacodynamic effect of JNJ-64179375 on coagulation parameters will be assessed by measuring the change in thrombin time (TT). |
| Part 1 and 2: Area Under the Plasma Concentration-Time Curve From Time Zero to Last Quantifiable Time (AUC [0-last]) of JNJ-64179375 | Predose, Day 1, 2, 4, 7, 10, 14, 22, 29, 43, 57, 85 and 113 post-dose | The AUC (0-last) is the area under the plasma concentration-time curve from time zero to last quantifiable time. |
Countries
Japan, United Kingdom