RecruitingPhase 3NCT07076407
A Randomized Study of Azetukalner Versus Placebo in Major Depressive Disorder (X-NOVA3)
A Phase 3, Randomized, Double-blind, Placebo-Controlled, Multicenter Study to Evaluate Azetukalner in Moderate-to-Severe Major Depressive Disorder
Sponsor
Xenon Pharmaceuticals Inc.
Enrollment
450 participants
Start Date
Jul 8, 2025
Study Type
INTERVENTIONAL
Conditions
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)
Eligibility
Min Age: 18 YearsMax Age: 74 Years
Inclusion Criteria4
- 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.
Exclusion Criteria10
- 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 or perimenopausal onset; Post traumatic 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 \>1 suicide attempt \> 24 years of age.
- 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.
Interventions
DRUGAzetukalner
Azetukalner 20 mg taken orally once a day with food (with the evening meal when possible) for 6 weeks
DRUGPlacebo
Placebo taken orally once a day with food (with the evening meal when possible) for 6 weeks
Locations(30)
View Full Details on ClinicalTrials.gov
For the most up-to-date information, visit the official listing.
NCT07076407
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