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NV-5138

Phase 2

Major Depressive Disorder | Small molecule | Psychiatry |Supernus Pharmaceuticals, Inc.|Last Updated: Oct 21, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment40
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06235905Open-Label of SPN-820 in Adults With Major Depressive DisorderPHASE2 COMPLETED 40Feb 15, 2024Aug 18, 2024Oct 21, 20251 United States
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Study Endpoints
Primary Endpoints
Change From Baseline to Each Time Point in the Hamilton Depression Rating Scale-6 Items (HAM-D6) Total Score (HAM-D6).
10 days (end of study)

The HAM-D6 scale consists of 6 items: five of them (depressed mood, work and activities, feeling of guilt, anxiety, psychic, retardation) are scored on a scale of 0 to 4, and one item (somatic symptoms general) is scored on a scale 0 to 2. The total score is the sum of the 6 items ranging from 0 to 22, higher scores indicate severe depression, and lower scores are better outcomes.

Secondary Endpoints
Change From Baseline to Each Time Point in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score.
10 days (end of study)
Change From Baseline to Each Time Point in the Clinical Global Impression - Severity of Illness Score (CGI-S).
10 days (end of study)
Suicidal Ideation and Behavior as Measured by the Columbia-Suicide Severity Rating Scale (C-SSRS)
10 days (end of study)
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SPN-820 6 x 400 mg capsulesOTHER -
Interventions
NameTypeDescription
NV-5138DRUGNV-5138 is a novel, orally bioavailable, mechanistic target of rapamycin complex 1 (mTORC1) signaling enhancer
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Male or female subject, aged 18 to 65 years (inclusive) at screening. * Diagnosis of MDD according to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) for either recurrent or single episode MDD without psychotic features that is confirmed by the M...

Countries:United States
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