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

NCT ID: NCT07076407

Last Updated: 2025-12-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

450 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-07-08

Study Completion Date

2027-07-31

Brief Summary

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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

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Conditions

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Major Depressive Disorder

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Azetukalner

Azetukalner 20 mg

Group Type EXPERIMENTAL

Azetukalner

Intervention Type DRUG

Azetukalner 20 mg taken orally once a day with food (with the evening meal when possible) for 6 weeks

Placebo

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo taken orally once a day with food (with the evening meal when possible) for 6 weeks

Interventions

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Azetukalner

Azetukalner 20 mg taken orally once a day with food (with the evening meal when possible) for 6 weeks

Intervention Type DRUG

Placebo

Placebo taken orally once a day with food (with the evening meal when possible) for 6 weeks

Intervention Type DRUG

Other Intervention Names

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XEN1101

Eligibility Criteria

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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 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.
Minimum Eligible Age

18 Years

Maximum Eligible Age

74 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Xenon Pharmaceuticals Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Harmonex Neuroscience Research

Dothan, Alabama, United States

Site Status RECRUITING

University of Alabama at Birmingham, Huntsville Regional Medical Campus

Huntsville, Alabama, United States

Site Status RECRUITING

Pillar Clinical Research

Bentonville, Arkansas, United States

Site Status RECRUITING

SanRo Clinical Research Group

Bryant, Arkansas, United States

Site Status RECRUITING

Clinical Innovations Inc

Bellflower, California, United States

Site Status RECRUITING

Center for Neurohealth

La Jolla, California, United States

Site Status RECRUITING

Artemis Institute for Clinical Research

San Diego, California, United States

Site Status RECRUITING

California Neuroscience Research

Sherman Oaks, California, United States

Site Status RECRUITING

Pacific Clinical Research Management Group

Upland, California, United States

Site Status RECRUITING

Institute of Living

Hartford, Connecticut, United States

Site Status RECRUITING

Gulfcoast Clinical Research Center

Fort Myers, Florida, United States

Site Status RECRUITING

Sarkis Clinical Trials

Gainesville, Florida, United States

Site Status RECRUITING

Equipath Health and Research Tampa Bay, Llc

Riverview, Florida, United States

Site Status RECRUITING

Delricht Research

Atlanta, Georgia, United States

Site Status RECRUITING

Advanced Quality Medical Research

Orland Park, Illinois, United States

Site Status RECRUITING

Pharmasite Research Inc.

Baltimore, Maryland, United States

Site Status RECRUITING

Adams Clinical Boston

Boston, Massachusetts, United States

Site Status RECRUITING

Activmed Practices & Research, Llc - Methuen

Methuen, Massachusetts, United States

Site Status RECRUITING

Adams Clinical Watertown

Watertown, Massachusetts, United States

Site Status RECRUITING

Psychiatric Care and Research Center

O'Fallon, Missouri, United States

Site Status RECRUITING

St. Charles Psychiatric Associates - Midwest Research Group

Saint Charles, Missouri, United States

Site Status RECRUITING

Center for Emotional Fitness

Cherry Hill, New Jersey, United States

Site Status RECRUITING

Princeton Medical Institute

Princeton, New Jersey, United States

Site Status RECRUITING

Bio Behavioral Health

Toms River, New Jersey, United States

Site Status RECRUITING

Fieve Clinical Research, Inc.

New York, New York, United States

Site Status RECRUITING

Magnolia Clinical Research, Llc

Cary, North Carolina, United States

Site Status RECRUITING

Insight Clinical Trials

Independence, Ohio, United States

Site Status RECRUITING

Sooner Clinical Research

Oklahoma City, Oklahoma, United States

Site Status RECRUITING

Austin Clinical Trial Partners

Austin, Texas, United States

Site Status RECRUITING

Boeson Research

Provo, Utah, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Xenon Medical Affairs

Role: CONTACT

1-604-484-3300

Other Identifiers

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XPF-010-D302

Identifier Type: -

Identifier Source: org_study_id

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