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AXS-14

Phase 3

Fibromyalgia | Small molecule | Musculoskeletal |Axsome Therapeutics, Inc.|Last Updated: Feb 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_CONTROLLED
Total Trials1
Total Enrollment620
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07398417Fibromyalgia Response With Esreboxetine Evaluated Using a Randomized Withdrawal Research DesignPHASE3 RECRUITING 620Jan 14, 2026Mar 1, 2028Feb 9, 202616 United States
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Study Endpoints
Primary Endpoints
Time from randomization to loss of therapeutic response
12 Weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AXS-14 (esreboxetine)EXPERIMENTAL* Up to 12 weeks in the open-label period; * Up to 12 weeks in the randomized double-blind period (if applicable)
PlaceboPLACEBO_COMPARATOR• Up to 12 weeks in the randomized double-blind period (if applicable)
Interventions
NameTypeDescription
AXS-14 (Esreboxetine)DRUGAXS-14 tablets taken once daily
PlaceboDRUGPlacebo tablets taken once daily
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites16

Inclusion Criteria: * Has a primary diagnosis of fibromyalgia based on the 2016 ACR diagnostic criteria. * Male or female, ≥18 years of age. * Provides written informed consent to participate in the study before conducting any study procedures. Exclusion Criteria: * Previous participation in a cl...

Countries:United States
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Competitive Landscape -Fibromyalgia 5 trials
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07398417primaryCompletionDate: changed
LOWMay 24, 2026NCT07398417studyFirstPostDate: changed