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Zuranolone

Phase 1

Major Depressive Disorder | Small molecule | Psychiatry |Biogen Inc.|Last Updated: Mar 26, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment19

FDA Designations

PRIORITY_REVIEW

Clinical trial landscape

Zuranolone · 1 trial · 1 indication

Phase 1 1
NCT05655507Zuranolone Pharmacokinetics (PK) and Safety Study Adolescent Participants With Major Depressive Disorder (MDD)Major Depressive Disorder
COMPLETED19 Analytics
PHASE1COMPLETED
Zuranolone Pharmacokinetics (PK) and Safety Study Adolescent Participants With Major Depressive Disorder (MDD)
Major Depressive DisorderUnlock trial analytics

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 to 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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Frequently asked questions about Zuranolone

What is Zuranolone used for?

Zuranolone is an investigational small molecule being developed for the treatment of Major Depressive Disorder (MDD). It is currently in clinical development and has not been approved by the FDA. A Phase 1 study has been completed to evaluate its pharmacokinetics and safety in adolescent participants with MDD.

Who makes Zuranolone?

Zuranolone is being developed by Biogen Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol BIIB. The company is conducting clinical trials to evaluate the drug's safety and pharmacokinetics in patients with Major Depressive Disorder.

What phase is Zuranolone in?

Zuranolone is in Phase 1 clinical development. A Phase 1 study has been completed, which evaluated the drug's pharmacokinetics and safety in adolescent participants with Major Depressive Disorder. The drug is investigational and has not received FDA approval.

What clinical trials is Zuranolone in?

Zuranolone has one completed clinical trial, NCT05655507, titled 'Zuranolone Pharmacokinetics (PK) and Safety Study Adolescent Participants With Major Depressive Disorder (MDD)'. This Phase 1 study enrolled 19 female participants aged 12 years and older in the United States.

Is Zuranolone FDA approved?

Zuranolone is not FDA approved. It is an investigational drug currently in Phase 1 clinical development for Major Depressive Disorder. The FDA has granted it Priority Review designation, but it remains under investigation and has not been approved for any use.

What is the development status of Zuranolone?

Zuranolone is in Phase 1 clinical development for Major Depressive Disorder. One Phase 1 trial, NCT05655507, has been completed with 19 participants. The drug has received FDA Priority Review designation, though it remains investigational and unapproved.