RecruitingPhase 3NCT07484217

Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol

A Multicenter, Double-blind, Placebo-controlled, Randomized Withdrawal Study of Solriamfetol in Subjects With Major Depressive Disorder With Excessive Daytime Sleepiness Symptoms


Sponsor

Axsome Therapeutics, Inc.

Enrollment

508 participants

Start Date

Feb 23, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

CLARITY (Clinical Assessment of Response in the Treatment of Depression with Daytime Sleepiness Using Solriamfetol) is a Phase 3, double-blind, placebo-controlled, multicenter randomized withdrawal trial in patients with major depressive disorder (MDD) with excessive daytime sleepiness (EDS) symptoms consisting of an open-label solriamfetol treatment period and a randomized, double-blind treatment period.


Eligibility

Min Age: 18 YearsMax Age: 65 Years

Inclusion Criteria4

  • Currently meets the DSM-5 criteria for MDD without psychotic features, based on the SCID-5-CT
  • Excessive daytime sleepiness symptoms
  • Able to comply with study procedures
  • Male or female, aged 18 to 65 years inclusive

Exclusion Criteria3

  • Any clinically significant medical (e.g., OSA, narcolepsy), behavioral, or psychiatric disorder, other than MDD with EDS symptoms
  • Unable to comply with study procedures
  • Medically inappropriate for study participation in the opinion of the investigator

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Interventions

DRUGSolriamfetol 150 MG

Solriamfetol tablets, taken once daily

DRUGPlacebo

Placebo tablets, taken once daily


Locations(13)

Clinical Research Site

Chino, California, United States

Clinical Research Site

Redlands, California, United States

Clinical Research Site

Walnut Creek, California, United States

Clinical Research Site

Jacksonville, Florida, United States

Clinical Research Site

Miami, Florida, United States

Clinical Research Site

Cherry Hill, New Jersey, United States

Clinical Research Site

Toms River, New Jersey, United States

Clinical Research Site

Brooklyn, New York, United States

Clinical Research Site

The Bronx, New York, United States

Clinical Research Site

Cincinnati, Ohio, United States

Clinical Research Site

Portland, Oregon, United States

Clinical Research Site

Memphis, Tennessee, United States

Clinical Research Site

Dallas, Texas, United States

View Full Details on ClinicalTrials.gov

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NCT07484217