CClinicalTrials.gg
CompletedNCT04608396MERITUpdated Jul 12, 2022

Mechanistic Evaluation of Response in TRD (MERIT)

A Phase 2 interventional study of AXS-05 and Placebo in Treatment Resistant Depression and Major Depressive Disorder, sponsored by Axsome Therapeutics, Inc.. Completed at 20 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2022-07-12.

Sponsored by Axsome Therapeutics, Inc. · Phase 2, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Jul 2021, 5 years 2 months ago, and no results have been posted to the registry; the sponsor requested a delay in submitting them in Jul 2022.
Phase
Phase 2
Study type
Interventional
Enrollment
44
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

To evaluate the relapse prevention of AXS-05 relative to placebo in subjects with treatment resistant depression (TRD).

This is a randomized, double-blind, placebo-controlled study to evaluate AXS-05 compared to placebo in delaying relapse of depressive symptoms in patients with TRD who are in stable remission after treatment with AXS-05.

02

Conditions studied

  • Treatment Resistant Depression
  • Major Depressive Disorder

Keywords

  • AXS-05
  • Treatment Resistant Depression
  • TRD
  • NMDA receptor
  • Refractory depression
  • Resistant depression
  • Depression
  • Major depression
  • Relapse prevention
  • Dextromethorphan
  • Bupropion
03

In context

Depression

8,057 studies on the registry are indexed under Depression; 1,641 are open to participants now.

This study's enrollment of 44 is below the median of 84 across 6,720 interventional studies indexed under Depression.

Browse Depression studies →

Lead sponsor

Axsome Therapeutics, Inc. is the lead sponsor of 36 studies on the registry; 12 are open to participants now.

Of its 20 completed or terminated interventional studies of FDA-regulated products, 11 (55%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Key Eligibility Criteria:

  • Ongoing symptoms of depression despite receiving treatment with two or more prior antidepressants during the current major depressive episode, prior to receiving AXS-05
  • Agree to use adequate method of contraception for the duration of the study
  • Additional criteria may apply
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
44 participants (actual)

Study arms

  • Experimental
    AXS-05

    Drug: AXS-05

  • Placebo comparator
    Placebo

    Drug: Placebo

Interventions

  • DrugAXS-05

    AXS-05 taken daily for up to 52 weeks, until relapse.

  • DrugPlacebo

    Placebo taken daily for up to 52 weeks, until relapse.

06

What researchers measure

Primary outcomes

  1. Relapse

    Assessed by clinician-rated scales.

    Time frame: Time from randomization to first relapse (up to 52 weeks)

07

Study locations

20 sites
  • Clinical Research Site
    Little Rock, Arkansas 72209, United States
  • Clinical Research Site
    Redlands, California 92374, United States
  • Clinical Research Site
    Sherman Oaks, California 91403, United States
  • Clinical Research Site
    Upland, California 91786, United States
  • Clinical Research Site
    Miami, Florida 33122, United States
  • Clinical Research Site
    North Miami, Florida 33161, United States
  • Clinical Research Site
    Orlando, Florida 32801, United States
  • Clinical Research Site
    Chicago, Illinois 606346, United States
  • Clinical Research Site
    Boston, Massachusetts 02131, United States
  • Clinical Research Site
    Berlin, New Jersey 08009, United States
  • Clinical Research Site
    Rochester, New York 14618, United States
  • Clinical Research Site
    Staten Island, New York 10312, United States
  • Clinical Research Site
    Hickory, North Carolina 28601, United States
  • Clinical Research Site
    Raleigh, North Carolina 27609, United States
  • Clinical Research Site
    Cincinnati, Ohio 45215, United States
  • Clinical Research Site
    Middleburg Heights, Ohio 44130, United States
  • Clinical Research Site
    Media, Pennsylvania 19063, United States
  • Clinical Research Site
    Dallas, Texas 75243, United States
  • Clinical Research Site
    Houston, Texas 77058, United States
  • Clinical Research Site
    Everett, Washington 98201, United States
08

References and documents

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 12, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04608396
Lead sponsor
Axsome Therapeutics, Inc.
Responsible party
Sponsor
First posted
Oct 29, 2020
Start date
Aug 13, 2020
Primary completion
Jul 30, 2021
Completion
Jul 30, 2021
Last update
Jul 12, 2022

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2022. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion