Study of Efficacy and Safety of MIJ821 in Addition to Comprehensive Standard of Care on the Rapid Reduction of Symptoms of Major Depressive Disorder in Subjects Who Have Suicidal Ideation With Intent

  • End date
    Jan 30, 2024
  • participants needed
  • sponsor
    Novartis Pharmaceuticals
Updated on 19 June 2022


Study of efficacy and safety of MIJ821 in addition to comprehensive standard of care on the rapid reduction of symptoms of Major Depressive Disorder (MDD) in subjects who have suicidal ideation with intent


The main purpose of this study is to support the dose selection for future Phase III clinical trials by evaluating efficacy and safety of four MIJ821 doses (very low, low, high and very high) administered every other week by intravenous infusion on top of pharmacological antidepressant treatment, compared with placebo, for the rapid reduction of the symptoms of MDD in participants who have suicidal ideation with intent. In addition, the study will explore the effect of single dose administration of very high and high doses to treat MDD in participants who have suicidal ideation with intent.

The study consists of three periods: a Screening Period (up to 48 hrs), a double-blind Core Period (6 weeks) and Extension Period (up to 52 weeks). The Extension Period will explore durability of the effect of the study treatment and the effect of MIJ821 on relapse rate, as well as safety of repeated MIJ821 administration.

All patients in the extension period will receive active treatment.

Condition Major Depressive Disorder With Suicidal Ideation With Intent
Treatment MIJ821 Intravenous Injection, Placebo Intravenous Injection
Clinical Study IdentifierNCT04722666
SponsorNovartis Pharmaceuticals
Last Modified on19 June 2022


Yes No Not Sure

Inclusion Criteria

Signed informed consent must be obtained prior to participation in the study
Male and female participants, 18 to 65 years of age (inclusive) at screening
DSM-5 defined major depressive disorder (MDD) with a current major depressive episode (MDE) without psychotic features at the time of screening based upon clinical assessment and confirmed by the Mini International Neuropsychiatric Interview (M.I.N.I.) assessed at Screening
Participants must have current suicidal ideation with intent, confirmed by a "Yes" response to Question B3 AND either Question B10 or Question B11 obtained from the M.I.N.I., assessed at Screening
Current suicidal ideation with intent, confirmed by "Yes" response to Question 3 AND either Question 9 or Question 10 obtained from the SSTS at Baseline
Montgomery-Åsberg Depression Rating Scale (MADRS) score > 28 at Screening and before randomization on Day 1
Participants must agree to receive pharmacological standard of care treatment to treat their MDD (as determined by the treating physician(s) based on clinical judgement and local treatment guidelines) during the trial duration
In the physician's opinion, acute psychiatric hospitalization is clinically warranted to treat the patient's condition, and the patient is either already in the hospital or agrees to be hospitalized voluntarily for the required per protocol period

Exclusion Criteria

Any prior or current diagnosis of bipolar disorder, MDD with psychotic features, schizophrenia, or schizoaffective disorder as obtained from M.I.N.I. at Screening
Patients with acute alcohol or substance use disorder or withdrawal symptoms requiring detoxification, or patients who went through detoxification treatment (inpatient or outpatient) within 1 month before Screening
Participant has a current clinical diagnosis of autism, dementia, or intellectual disability
History of seizures. Note: childhood febrile seizures are not exclusionary
Participants with borderline personality disorder as obtained from M.I.N.I. at Screening
Participants with suicidal ideation or behavior caused primarily by another non-MDD condition as obtained from M.I.N.I. at Screening
Participants taking medications prohibited by the protocol
Intake of the following medications/ psychotherapy
Esketamine or Ketamine 2 months before Screening
Monoamine oxidase inhibitors (MAOIs) 14 days before Screening
Non-stable psychotherapy regimen and/or started less than 6 weeks before Screening
Any other condition (e.g. known liver disease/liver dysfunction, active malignancy
etc.) which in the opinion of the investigator would put the safety of the
participant at risk, impede compliance or hinder completion of the study
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