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Progressing TAAR-1, Dopamine, and Norepinephrine in Depression Using Solriamfetol

A Randomized, Double-Blind, Placebo-Controlled Trial of Solriamfetol in Subjects With Major Depressive Disorder

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06360419
Acronym
PARADIGM
Enrollment
346
Registered
2024-04-11
Start date
2024-03-18
Completion date
2025-03-26
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Major Depressive Disorder

Keywords

Solriamfetol, Sunosi, MDD, Major Depressive Disorder, Axsome, Non-stimulant therapy, Dopamine norepinephrine reuptake inhibitor, Trace amine-associated receptor 1 (TAAR1) agonist

Brief summary

PARADIGM (Progressing TAAR-1, Dopamine, and Norepinephrine in Depression Using Solriamfetol) is a Phase 3, randomized, double-blind, placebo-controlled, multicenter trial to assess the safety and efficacy of solriamfetol for the treatment of major depressive disorder (MDD) in adults.

Detailed description

Eligible subjects must have a primary diagnosis of MDD without psychotic features based on the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5) criteria. Subjects will be randomized in a 1:1 ratio to receive either solriamfetol (300 mg) or placebo for 6 weeks.

Interventions

Solriamfetol tablets, taken once daily

DRUGPlacebo

Placebo tablets, taken once daily

Sponsors

Axsome Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Currently meets the DSM-5 criteria for MDD without psychotic features, based on the SCID-5-CT * Current major depressive episode * Male or female, aged 18 to 65 inclusive

Exclusion criteria

* Prior exposure to solriamfetol/Sunosi, through either a clinical study or prescription * Unable to comply with study procedures * Medically inappropriate for study participation in the opinion of the investigator

Design outcomes

Primary

MeasureTime frame
Montgomery-Åsberg Depression Rating Scale (MADRS)6 weeks
Incidence of treatment-emergent adverse events6 weeks

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026