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Fasedienol - Fasedienol

Phase 2

Social Anxiety Disorder | Small molecule | Psychiatry |Vistagen Therapeutics, Inc.|Last Updated: Feb 5, 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-BlindCONTROLLEDBiomarker
Total Trials1
Total Enrollment60
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06809179A Clinical Trial to Assess the Efficacy, Safety, and Tolerability of a Repeat Dose of Fasedienol Nasal Spray for the Acute Treatment of Anxiety in Adults With Social Anxiety DisorderPHASE2 RECRUITING 60Jan 9, 2025Dec 1, 2026Feb 5, 20269 United States
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Study Endpoints
Primary Endpoints
Subjective Units of Distress Scale (SUDS)
7 days (Visit 2 to Visit 3)

The SUDS is a patient self-rated acute measurement scale that is scored in the range of 0 to 100 (operationalized for participants in this study as 0=totally relaxed or no anxiety at all and 100=highest distress or anxiety ever felt.

Secondary Endpoints
Global Impression Scale of Improvement (CGI-I)
7 days (Visit 2 to Visit 3)
Patient Global Impression of Change (PGI-C)
7 days (Visit 2 to Visit 3)
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Fasedienol Nasal Spray (single dose)EXPERIMENTALTwenty minutes prior to the PSC, subjects will receive one dose of Fasedienol Nasal Spray followed by one dose of Placebo Nasal Spray, separated by 10-minutes in between the two doses.
Fasedienol Nasal Spray (repeat dose)EXPERIMENTALTwenty minutes prior to the PSC, subjects will receive one dose of Fasedienol Nasal Spray followed by a second dose of Fasedienol Nasal Spray, separated by 10-minutes in between the two doses.
Placebo Nasal SprayEXPERIMENTALTwenty minutes prior to the PSC, subjects will receive one dose of Placebo Nasal Spray followed by a second dose of Placebo Nasal Spray, separated by 10-minutes between the two doses.
Interventions
NameTypeDescription
Fasedienol Nasal Spray - Placebo Nasal SprayDRUGTwenty minutes prior to the PSC, subjects will receive one dose of Fasedienol Nasal Spray followed by one dose of Placebo Nasal Spray, separated by 10-minutes in between the two doses.
Fasedienol Nasal Spray - Fasedienol Nasal SprayDRUGTwenty minutes prior to the PSC, subjects will receive one dose of Fasedienol Nasal Spray followed by a second dose of Fasedienol Nasal Spray, separated by 10-minutes in between the two doses.
Placebo Nasal Spray - Placebo Nasal SprayDRUGTwenty minutes prior to the PSC, subjects will receive one dose of Placebo Nasal Spray followed by a second dose of Placebo Nasal Spray, separated by 10-minutes between the two doses.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites9

Inclusion Criteria: * Written informed consent provided prior to conducting any study-specific assessment. * Male and female adults, 18 through 65 years of age, inclusive. * Current diagnosis of SAD as defined in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition, and confirmed ...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06809179primaryCompletionDate: changed
LOWMay 24, 2026NCT06809179studyFirstPostDate: changed