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golexanolone

Phase 1

Primary Biliary Cholangitis (PBC) | Small molecule | Other |Cognition Therapeutics, Inc.|Last Updated: Mar 9, 2026

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 Enrollment84
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07304843A Two-part Study to Investigate the Effects in Adults of Two Doses of Golexanolone in Patients With Primary Biliary Cholangitis (PBC) With Fatigue and Cognitive DysfunctionPHASE1 RECRUITING 84Apr 14, 2023Jun 30, 2026Mar 9, 202636 Germany, Greece +6
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Study Endpoints
Primary Endpoints
1. Frequency, intensity, and seriousness of adverse events (AEs) from baseline to Day 28 (part B)
From enrollment to the end of treatment at 28 days

Frequency, intensity, and seriousness of adverse events (AEs) from baseline to Day 28

Frequency, intensity, and seriousness of adverse events (AEs) from baseline to Day 5 (part A)
From Baseline to Day 5

Frequency, intensity, and seriousness of adverse events (AEs)

Secondary Endpoints
1. Change from baseline to Day 28 in PBC-40 scores for each of the domains (cognition, itch, fatigue, social, emotional, and general symptoms) (part B)
From baseline to Day 28
2. Change from baseline to Day 28 in EQ-5D-3L tool (part B)
From baseline to Day 28
3. Change from baseline to Day 28 in daytime sleepiness related symptoms using the Epworth Sleepiness Scale (ESS) (part B)
From baseline to Day 28
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part B: Treatment arm 1 (golexanolone 40 mg)EXPERIMENTAL40 mg golexanolone BID
Part B: Treatment arm 2 (golexanolone 80 mg)EXPERIMENTAL80 mg golexanolone BID
PlaceboPLACEBO_COMPARATORPart B: Placebo BID
Part A: GolexanoloneEXPERIMENTAL40 mg golexanolone BID
Part A: PlaceboPLACEBO_COMPARATORPlacebo BID
Interventions
NameTypeDescription
golexanoloneDRUGsoft gelatin capsules, oral dosage twice per day for up to 28 days
PlaceboDRUGsoft gelatin capsules, oral dosage twice a day for up to 28 days
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites36

Inclusion Criteria: * Male and female subjects age ≥ 18 years * Diagnosis of PBC based on the presence of ≥2 of 3 key disease characteristics * Clinically significant fatigue defined for the purposes of this study as a PBC-40 fatigue domain score of ≥29 at screening * Clinically significant cogniti...

Countries:GermanyGreeceHungaryItalySerbiaSpainTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT07304843studyFirstPostDate: changed