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Zuranolone

Phase 1

Major Depressive Disorder | Small molecule | Psychiatry |Biogen Inc.|Last Updated: Mar 26, 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
UNCONTROLLEDDMC
Total Trials1
Total Enrollment19
FDA Designations
PRIORITY_REVIEW
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05655507Zuranolone Pharmacokinetics (PK) and Safety Study Adolescent Participants With Major Depressive Disorder (MDD)PHASE1 COMPLETED 19Apr 19, 2023Oct 18, 2024Mar 26, 20254 United States
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Study Endpoints
Primary Endpoints
Plasma Concentrations of Zuranolone
At multiple timepoints post dose on Days 1, 8 and 15

PK Parameters of Zuranolone will be assessed.

Secondary Endpoints
Percentage of Participants With at Least one Treatment Emergent Adverse Event (TEAE)
Up to 42 days
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ZuranoloneEXPERIMENTALParticipants will be enrolled to receive Zuranolone orally, during the daytime on Day 1 and in the evening on Days 2 to 14. The first 10 enrolled participants will receive 50 mg (participants with a body weight of 54 kg or greater) or 40 mg (participants with a body weight less than 54 kg) once daily. The remaining participants will receive 40 mg once daily with the opportunity to down titrate to 30 mg if 40 mg is not tolerated.
Interventions
NameTypeDescription
ZuranoloneDRUGAdministered as capsules
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Eligibility Criteria
Age Range12 Years — 17 Years
SexFEMALE
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: * Participant meets Kiddie Schedule for Affective Disorders and Schizophrenia - Present and Lifetime DSM-5 (KSADS-PL DSM-5) criteria for MDD. * Participant has a Children's Depression Rating Scale-Revised (CDRS-R) total score greater than or equal to 40 at screening and Day 1. *...

Countries:United States
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