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JNJ-55308942

Phase 2

Bipolar Disorder | Small molecule | Psychiatry |Johnson & Johnson|Last Updated: Jul 11, 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
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment116
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05328297A Study of JNJ-55308942 in the Treatment of Bipolar DepressionPHASE2 COMPLETED 116Jun 3, 2022May 17, 2024Jul 11, 202544 United States, Canada +2
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Study Endpoints
Primary Endpoints
Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score up to Week 6
From Baseline (Day 1) up to Week 6

Change from baseline in MADRS total score up to Week 6 were reported. MADRS was a clinician-rated scale designed to measure depression severity and detect changes due to antidepressant (AD) treatment. The MADRS evaluated reported sadness, apparent sadness, inner tension, reduced sleep, reduced appetite, concentration difficulties, lassitude, inability to feel, pessimistic thoughts, and suicidal thoughts. The scale consisted of 10 items, each of which was scored from 0 (item not present or normal) to 6 (severe or continuous presence of the symptoms),with higher score indicating a more severe condition. The MADRS total score was the sum of scores from individual question items and it ranged from 0 to 60, with higher scores indicated more severe conditions. Negative change in MADRS total score indicated improvement.

Secondary Endpoints
Change From Baseline in Snaith-Hamilton Pleasure Scale (SHAPS) Total Score up to Week 6
From Baseline (Day 1) up to Week 6
Change From Baseline in MADRS Total Score up to Week 6 (Genetic Subgroup Analysis)
From Baseline (Day 1) up to Week 6
Change From Baseline in MADRS Total Score up to Week 6 (Diagnosis Subgroup Analysis)
From Baseline (Day 1) up to Week 6
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
JNJ-55308942EXPERIMENTALParticipants will receive a JNJ-55308942 capsule once daily for 6 weeks.
PlaceboPLACEBO_COMPARATORParticipants will receive a matching placebo capsule once daily for 6 weeks.
Interventions
NameTypeDescription
JNJ-55308942DRUGJNJ-55308942 capsules will be administered orally.
PlaceboDRUGMatching placebo capsules will be administered orally.
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Eligibility Criteria
Age Range18 Years — 64 Years
SexALL
Healthy VolunteersNo
Study Sites44

Inclusion Criteria: * Have a primary diagnostic and statistical manual of mental disorders (5th edition) (DSM-5) diagnosis of bipolar disorder (BD) (Type I or II) without current psychotic features, as confirmed by the mini international neuropsychiatric interview (MINI) * Medically stable on the b...

Countries:United StatesCanadaPolandSpain
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