ClinicalTrials.gg
CompletedNCT03395392Updated May 8, 2024

NRX-101 for Bipolar Depression With Subacute Suicidal Ideation

A Phase 2/3 interventional study of NRX-101 and Lurasidone HCl in Bipolar Depression and Suicidal Ideation and Behavior, sponsored by NeuroRx, Inc.. Completed at 14 sites in United States. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2024-05-08.

Sponsored by NeuroRx, Inc. · Phase 2/3, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Feb 2024, 2 years 8 months ago, and no results have been posted to the registry.
Phase
Phase 2/3
Study type
Interventional
Enrollment
74
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

NMDA antagonist drugs have shown to reduce symptoms of depression and suicidal ideation. NeuroRx has developed NRX-101 (fixed dose combination of D-cycloserine and lurasidone) for oral use in the treatment of bipolar depression with suicidal ideation. This study will test the hypothesis that NRX-101 is superior to lurasidone alone (standard of care) in maintaining remission from symptoms of depression (primary endpoint) and suicidal ideation or behavior (declared secondary endpoint) over a six week period of twice-daily oral dosing.

Read the detailed description

Background and Rationale: NMDA antagonist drugs have shown to reduce symptoms of depression and suicidal ideation. NRX-101 is composed of D-cycloserine (DCS) an NMDA antagonist and lurasidone (5HT2a atypical antipsychotic and antidepressant). In a phase 2 clinical study of bipolar depression and acute suicidal ideation and behavior, (in patients requiring hospitalization) patients received an initial infusion of ketamine and then NRX-101 for 6 weeks. In that phase 2 study, NRX-101 showed the ability to maintain remission from depression and suicidality over 6 weeks when taken twice daily. In this current out patient study, patients with bipolar depression and subacute suicidality (not requiring hospitalization), ketamine will not be used.

Primary Objective:

  • To test the hypothesis that treatment with NRX-101 is superior to standard of care (lurasidone) in improving symptoms of depression as measured by the total Montgomery Åsberg Depression Rating Scale (MADRS-10) score in patients with bipolar depression and subacute suicidal ideation and behavior (SSIB) which does not require hospitalization.

Secondary Objectives:

  • To test the hypothesis that treatment with NRX-101 is superior to standard of care (lurasidone) in reducing suicidality in depressed bipolar patients with SSIB, as measured by the Columbia Suicide Severity Rating Scale (C-SSRS)

Methodology: : A multi-center, randomized, double-blind, trial in which patients with bipolar depression (MADRS ≥30) and subacute levels of suicidal ideation (C-SSRS 3 or 4, not requiring hospitalization) are randomized to receive twice daily oral NRX-101 or lurasidone (standard of care).

02

Conditions studied

  • Bipolar Depression
  • Suicidal Ideation and Behavior

Keywords

  • Bipolar
  • Cyloserine
  • Lurasidone
  • MADRS
  • CGI-SS
  • C-SSRS
03

In context

Bipolar Disorder

1,683 studies on the registry are indexed under Bipolar Disorder; 266 are open to participants now.

This study's enrollment of 74 is above the median of 64 across 1,279 interventional studies indexed under Bipolar Disorder.

Browse Bipolar Disorder studies →

Lead sponsor

NeuroRx, Inc. is the lead sponsor of 9 studies on the registry; 3 are open to participants now.

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

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Diagnosed with bipolar disorder by a qualified rater according to the criteria defined in the , Fifth Edition (DSM-5) and supported by the Mini International Neuropsychiatric Interview (MINI) 7.0.2.
  • Confirmed active suicidal ideation (without the intention to act) as evidenced by an answer of 'Yes' on item 3 and/or item 4 and not requiring hospitalization at Screening and an answer of "No" on item 5 of the C-SSRS.
  • A total score greater than or equal to 30 on the 10 items of the MADRS.
  • Subject has no co-morbidities as ascertained by medical history, physical examination (including measurement of vital signs), clinical laboratory evaluations, and (ECG)

Exclusion criteria

Exclusion Criteria:

  • Subject has current diagnosis of moderate or severe substance use disorder (except marijuana or tobacco use disorder) within the 12 months prior to Screening.
  • Subject has a lifetime history of:

    • phencyclidine (PCP)/ketamine drug abuse, or
    • failed use of ketamine for depression or suicidality.
  • Subject has schizophrenia or schizoaffective disorder, or any history of psychotic symptoms when not in an acute bipolar mood episode.
  • Subject has a current major psychiatric disorder, diagnosed at Screening
  • Subject has been prescribed more than one agent in each of the following categories at randomization:

    • Approved SSRIs
    • Approved serotonin and norepinephrine reuptake inhibitors (SNRIs)
    • Approved tetracyclic antidepressants (TeCAs)
    • Approved Mood stabilizers (e.g., lithium, valproic acid, and lamotrigine)
  • Subject has signs and symptoms of active or residual COVID-19, or unresolved symptoms of COVID-19 that impact health
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

DSM diagnostic criteria

The American Psychiatric Association’s manual of mental health diagnoses. DSM-5 (2013, revised as DSM-5-TR in 2022) replaced DSM-IV, and some studies still name the older edition. “Meets DSM criteria for …” means diagnosed by that edition’s diagnostic criteria, usually by a clinician in an interview.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

05

Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
74 participants (actual)

Study arms

  • Experimental
    NRX-101

    Following study enrollment and randomization, subjects will receive twice daily NRX-101

    Drug: NRX-101

  • Active comparator
    Lurasidone

    Following study enrollment, subjects will receive twice daily lurasidone

    Drug: Lurasidone HCl

Interventions

  • NRX-101, a fixed dose combination of D-cycloserine+lurasidone will be given twice a day by mouth

  • Lurasidone HCl will be given twice a day by mouth

    Also known as: Latuda

06

What researchers measure

Primary outcomes

  1. Change from Baseline in MADRS-10 over 42 Days

    Mean change from baseline to endpoint (Day 42/exit) in total MADRS score, a 10-item clinician-rated scale, with each item rated on a 0-6 severity scale (0 Minimum, 60 maximum), where higher scores indicate a worse outcome

    Time frame: Six weeks

Secondary outcomes

  1. Mean Change from baseline in CGI-SS

    Mean change from baseline to exit (Day 42/exit) in CGI-SS score

    Time frame: Six Weeks

  2. Time to Treatment Failure

    Time to relapse, where relapse is defined as experiencing a return of suicidality in the Columbia Suicide Severity Rating Scale (C-SSRS) of \>=4)), or a return to baseline levels of depression following an improvement of 25% or greater on the MADRS score, or the need to implement a new treatment plan. The C-SSRS is a low-burden measure of the spectrum of suicidal ideation and behavior that was developed in the National Institute of Mental Health Treatment of Adolescent Suicide Attempters Study to assess severity and track suicidal events through any treatment. A lower score on the C-SSRS indicates a better outcome (min=0, max=5)

    Time frame: 6 weeks

07

Study locations

14 sites
  • Science 37
    Culver City, California 90320, United States
  • San Marcus Research Clinic, Inc.
    Miami Lakes, Florida 33014, United States
  • ACMR
    Atlanta, Georgia 30331, United States
  • iResearch Atlanta, LLC
    Decatur, Georgia 30030, United States
  • iResearch Savannah
    Savannah, Georgia 31405, United States
  • CBH Health
    Gaithersburg, Maryland 20877, United States
  • Omaha Insomnia and Psychiatric Services
    Omaha, Nebraska 68144, United States
  • Dent Neurologic Institute
    Amherst, New York 14226, United States
  • Peace Health Medical Group
    Eugene, Oregon 97401, United States
  • University of Texas Health Austin
    Austin, Texas 78712, United States
  • Roots Behavioral Health
    Austin, Texas 78746, United States
  • JPS Health
    Fort Worth, Texas 76104, United States
  • Houston Mind and Brain
    Houston, Texas 77055, United States
  • Health Texas
    Richmond, Texas 77407, United States
08

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Yes — IPD will be shared under an approved confidentiality agreement within one year of drug approval

Supporting information: Study protocol, Statistical analysis plan, Informed consent form, Clinical study report

Time frame: Within one year of drug approval

Data sharing details ↗ · nrxpharma.com

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Ran from May 2022 to primary completion in Feb 2024, 21 months.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 4, 2018
First posted
Jan 10, 2018
StartActual
May 12, 2022
Primary completionActual
Feb 28, 2024
CompletionActual
Mar 30, 2024
Last update
May 8, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 8, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03395392
Lead sponsor
NeuroRx, Inc.
Collaborators
Prevail Infoworks, Inc
Responsible party
Sponsor
First posted
Jan 10, 2018
Start date
May 12, 2022
Primary completion
Feb 28, 2024
Completion
Mar 30, 2024
Last update
May 8, 2024

Study contacts

Martin Brecher, MD
study director · NRx Pharma
Andrew A Nierenberg, MD
study chair · Harvard Medical School (HMS and HSDM)
Jonathan C Javitt, MD, MPH
study chair · NRx Pharmaceuticals

Oversight

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

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This study is completed, as verified in Mar 2024. You cannot join it, but the record below documents what was studied.

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