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JNJ-64281802

Phase 1

Healthy | Small molecule | Other |Johnson & Johnson|Last Updated: Mar 30, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment33
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05201937A Study of JNJ-64281802 in Healthy Adult ParticipantsPHASE1 COMPLETED 33Feb 23, 2022Dec 11, 2022Mar 30, 20251 Netherlands
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Study Endpoints
Primary Endpoints
Maximum Observed Plasma Concentration (Cmax) of JNJ-64281802
Up to Day 62

Cmax is defined as maximum observed plasma concentration of JNJ-64281802.

Time to Reach the Maximum Observed Plasma Concentration (Tmax) of JNJ-64281802
Up to Day 62

Tmax is defined the actual sampling time to reach the maximum observed plasma concentration of JNJ-64281802.

Observed Plasma Concentration of JNJ-64281802 Just Prior to the Beginning of a Dosing Interval (Ctrough)
Up to Day 62

Ctrough is defined as observed plasma concentration of JNJ-64281802 just prior to the beginning of a dosing interval.

Apparent Terminal Elimination Half-life (t1/2) of JNJ-64281802
Up to Day 62

t1/2 is defined as apparent terminal elimination half-life of JNJ-64281802.

Area Under the Curve From Time Zero to Last Measurable Concentration (AUC[0-last]) of JNJ-64281802
Up to Day 62

AUC(0-last) is defined as area under the curve from time 0 to the time of the last measurable concentration of JNJ-64281802.

Area Under the Curve From Time Zero to Infinity (AUC[0-inf]) of JNJ-64281802
Up to Day 62

AUC(0-inf) is defined as area under the curve of JNJ-64281802 from time 0 to infinity time.

Area Under the Curve From Time Zero to tau (AUC[0-tau]) of JNJ-64281802
Up to Day 62

AUC(0-tau) is defined as area under the curve from time 0 to tau hours post dose of JNJ-64281802.

Total Apparent Oral Clearance (CL/F) of JNJ-64281802
Up to Day 62

CL/F is defined as total apparent oral clearance of JNJ-64281802.

Secondary Endpoints
Number of Participants with Adverse Events (AEs)
Up to 62 days
Number of Participants with Abnormalities in 12-lead Electrocardiograms (ECGs)
Up to 62 days
Number of Participants with Abnormalities in Physical Examinations
Up to 62 days
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
Arm A: Panel 1 (JNJ-64281802 High Dose Regimen)EXPERIMENTALParticipants will receive Loading Dose (LD) 1 of JNJ-64281802 twice daily on Days 1 and 2 followed by maintenance Dose (MD) 1 of JNJ-64281802 once daily on Days 3, 10, 17 and 24.
Arm A: Panel 2 (JNJ-64281802 High Dose Regimen)EXPERIMENTALParticipants will receive LD 1 of JNJ-64281802 twice daily on Days 1 and 2 followed by MD 2 of JNJ-64281802 once daily on Days 3, 6, 10, 13, 17, 20, 24, and 27.
Arm B: Panel 3 (JNJ-64281802 Low Dose Regimen)EXPERIMENTALParticipants will receive LD 2 of JNJ-64281802 twice daily on Days 1 and 2 followed by MD 3 of JNJ-64281802 once daily on Days 3, 10, 17 and 24.
Arm B: Panel 4 (JNJ-64281802 Low Dose Regimen)EXPERIMENTALParticipants will receive LD 2 of JNJ-64281802 twice daily on Days 1 and 2 followed by MD 4 of JNJ-64281802 once daily on Days 3, 6, 10, 13, 17, 20, 24, and 27.
Arm C: Panel 5 (JNJ-64281802 [Optional])EXPERIMENTALParticipants dosing regimen(s) will be determined based on the results of Study Arm A and Study Arm B.
Arm C: Panel 6 (JNJ-64281802 [Optional])EXPERIMENTALParticipants dosing regimen(s) will be determined based on the results of Study Arm A and Study Arm B.
Interventions
NameTypeDescription
JNJ-64281802DRUGJNJ-64281802 tablets will be administered orally as per the defined regimens.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Healthy on the basis of physical examination, medical history (at screening only), and vital signs performed at screening and Day -1. If there are abnormalities, the participant may be included only if the investigator judges the abnormalities to be not clinically significant ...

Countries:Netherlands
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