A Study to Assess the Pharmacokinetics, Safety, and Tolerability of Multiple Doses of Orally Administered JNJ-53718678 in Infants Hospitalized With Respiratory Syncytial Virus (RSV) Infection
Respiratory Syncytial Virus Infections, Virus Diseases
About this trial
This is an interventional treatment trial for Respiratory Syncytial Virus Infections focused on measuring Respiratory Syncytial Virus Infections, JNJ-53718678, Placebo, Infants
Eligibility Criteria
Inclusion Criteria:
- Participant has presented at the hospital for suspected Respiratory Syncytial Virus (RSV) infection within 72 hours prior to Screening completion
- Participant has been hospitalized for this suspected RSV infection
- Participant has been diagnosed with RSV infection using a polymerase chain reaction (PCR)-based assay, preferably commercially available locally
- Participant was born after a normal term pregnancy (greater than or equal to 37 weeks and 0 days)
- A legally acceptable representative of the participant must sign an Informed consent form (ICF) indicating that he or she understands the purpose of and procedures required for the study, are willing for their child to participate in the study, are willing for their child to remain in the hospital for the first 3 days of dosing (even if not clinically indicated), and are willing/able to adhere to the prohibitions and restrictions specified in the protocol and study procedures
Exclusion Criteria:
- Participant who had major surgery within the 28 days prior to randomization or planned major surgery through the course of the study
- Participant has major congenital anomalies or known cytogenetic disorders
- Participant has known or suspected immunodeficiency, such as known human immunodeficiency virus (HIV) infection
- Participant has known or suspected hepatitis B or C infection
- Participant is upon current admission initially hospitalized in the Intensive care unit (ICU) and/or in need of invasive endotracheal mechanical ventilation
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Arm 12
Arm 13
Arm 14
Arm 15
Arm 16
Experimental
Experimental
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Experimental
Part 1: Cohort 1a
Part 1: Cohort 1b
Part 1: Cohort 1c
Part 1: Cohort 1d
Part 1: Cohort 1e
Part 1: Cohort 2a
Part 1: Cohort 2b
Part 1: Cohort 2c
Part 1: Cohort 2d
Part 1: Cohort 2e
Part 1: Cohort 3a
Part 1: Cohort 3b
Part 1: Cohort 3c
Part 1: Cohort 3d
Part 1: Cohort 3e
Part 2: Cohort f
Participants (greater than or equal to [>=] 6 months and less than or equal to [<=] 24 months of age) will receive JNJ-53718678, 2 milligram per kilogram body weight (mg/kg) oral solution once daily on Day 1 to Day 7. Dose and/or dosing regimen may be adapted in subsequent cohorts based on the review of the safety/tolerability and full pharmacokinetic data from Cohort 1a.
Participants (>= 6 months and <= 24 months of age) will receive total daily dose of 6 mg/kg JNJ-53718678 oral solution or placebo [either in once daily [qd] or twice daily [bid]) on Day 1 to Day 7.
Participants (>= 6 months and <= 24 months of age) will receive total daily dose of 18 mg/kg JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (>= 6 months and <= 24 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 1d is optional and may be included at the discretion of the sponsor.
Participants (>= 6 months and <= 24 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 1e is optional and may be included at the discretion of the sponsor.
Participants (>= 3 months and less than [<] 6 months of age) will receive total daily dose of 1.5 mg/kg JNJ-53718678 oral solution [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (>=3 months and < 6 months of age) will receive total daily dose of 4.5 mg/kg JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (>= 3 months and < 6 months of age) will receive total daily dose of 13.5 mg/kg JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7
Participants (>= 3 months and < 6 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 2d is optional and may be included at the discretion of the sponsor.
Participants (>= 3 months and < 6 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 2e is optional and may be included at the discretion of the sponsor.
Participants (greater than (>) 1 month and < 3 months of age) will receive total daily dose of 1 mg/kg JNJ-53718678 oral solution [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (> 1 month and < 3 months of age) will receive total daily dose of 3 mg/kg JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (> 1 month and < 3 months of age) will receive total daily dose of 9 mg/kg JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7.
Participants (> 1 month and < 3 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 3d is optional and may be included at the discretion of the sponsor.
Participants (> 1 month and < 3 months of age) will receive JNJ-53718678 oral solution or placebo [either in a qd or a bid regimen] on Day 1 to Day 7. The cohort 3e is optional and may be included at the discretion of the sponsor.
Participants of all age groups will receive daily dose of JNJ-53718678 oral solution or placebo, either in a qd or a bid regimen on Days 1 to 7.