Purpose

X-NOVA2 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)

Condition

Eligibility

Eligible Ages
Between 18 Years and 74 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

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.

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

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Azetukalner
Azetukalner 20 mg
  • Drug: Azetukalner
    Azetukalner 20 mg taken orally once a day with food (with the evening meal when possible) for 6 weeks
    Other names:
    • XEN1101
Placebo Comparator
Placebo
Placebo
  • Drug: Placebo
    Placebo taken orally once a day with food (with the evening meal when possible) for 6 weeks

Recruiting Locations

More Details

Status
Recruiting
Sponsor
Xenon Pharmaceuticals Inc.

Study Contact

Xenon Medical Affairs
1-604-484-3300
XenonCares@xenon-pharma.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.