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A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder (X-NOVA3)

Not Applicable
Recruiting
Conditions
Major Depressive Disorder
Interventions
Drug: Placebo
Registration Number
NCT07076407
Lead Sponsor
Xenon Pharmaceuticals Inc.
Brief Summary

X-NOVA3 is a Phase 3, multicenter, randomized, double-blind, placebo-controlled study to evaluate the clinical efficacy, safety, and tolerability of azetukalner as a monotherapy in adult participants diagnosed with Major Depressive Disorder (MDD)

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
450
Inclusion Criteria
  • Adults ≥18 and ≤74 years of age and experienced their first major depressive episode (MDE) prior to 50 years of age
  • Body Mass Index (BMI) ≤40 kg/m2
  • Meets the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition Text Revised (DSM-5-TR) criteria for current major depressive disorder and is currently in an MDE, confirmed using the Mini International Neuropsychiatric Interview (MINI)
  • Participant's current MDE has a duration of ≥6 weeks and ≤24 months.

Key

Exclusion Criteria
  • Participant has a primary diagnosis of a mood disorder other than MDD.
  • Participant has a history of any of the following: MDD with psychotic or catatonic features; MDD with mixed features; Bipolar I or II disorder; Obsessive-compulsive disorder; Schizophrenia, primary thought disorder, or other psychotic disorder.
  • Participant has a current diagnosis of any of the following: MDD with seasonal pattern; Depression with peripartum onset; Posttraumatic stress disorder; Antisocial or borderline personality disorder (or presence of clinically significant borderline personality traits); Panic disorder and/or agoraphobia; ADHD treated with a psychostimulant, diagnosed during the current MDE, or with unstable symptoms, as judged by the investigator.
  • Participant has a substance (excluding tobacco) or alcohol use disorder within the 12 months prior to screening.
  • Participant has had an active suicidal plan/intent within the 6 months prior to screening, presence of suicidal behavior in the last 2 years, or ≥2 lifetime suicide attempts.
  • Participant has a history of non-suicidal self-harm behavior in the 12 months prior to screening.
  • Participant has used antidepressants or other prohibited medications (including benzodiazepines), within the 2 weeks (4 weeks for fluoxetine) or within a period less than 5 times the drug's half-life, whichever is longer, prior to randomization.
  • Participant has a history of non-response to ≥2 antidepressant drugs of adequate dose and duration in the current MDE as determined by the Antidepressant Treatment Response Questionnaire (ATRQ).
  • Participants with medical conditions that may interfere with the purpose or conduct of the study
  • Participant is pregnant, breastfeeding, or planning to become pregnant.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AzetukalnerAzetukalnerAzetukalner 20 mg
PlaceboPlaceboPlacebo
Primary Outcome Measures
NameTimeMethod
Change from baseline in the Hamilton Depression Rating Scale, 17-item (HAMD-17) score at Week 6Baseline to Week 6
Secondary Outcome Measures
NameTimeMethod
Change from baseline in the Snaith-Hamilton Pleasure Scale (SHAPS) score at Week 6Baseline to Week 6
Change from baseline in the Hamilton Depression Rating Scale, 17-item (HAMD-17) score at Week 1Baseline to Week 1
Change from baseline in the Clinical Global Impression of Severity (CGI-S) score at Week 6Baseline to Week 6

Trial Locations

Locations (3)

California Neuroscience Research

🇺🇸

Sherman Oaks, California, United States

Delricht Research

🇺🇸

Atlanta, Georgia, United States

Center for Emotional Fitness

🇺🇸

Cherry Hill, New Jersey, United States

California Neuroscience Research
🇺🇸Sherman Oaks, California, United States

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