A Study to Evaluate the Safety, Tolerability and Efficacy of XEN1101 in Major Depressive Disorder

NCT ID: NCT05376150

Last Updated: 2024-09-19

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

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

168 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-05-19

Study Completion Date

2023-10-16

Brief Summary

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This is a multicenter, Phase 2, double-blind, randomized, parallel-arm, placebo-controlled clinical trial to evaluate the efficacy, safety, and tolerability of XEN1101 in subjects with Major Depressive Disorder.

Detailed Description

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The study is divided into 3 stages: Screening - up to 4 weeks duration; Treatment - 6 weeks duration; Follow-up - 4 weeks duration. The total study duration per subject is estimated to be approximately 14 weeks.

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

DOUBLE

Participants Investigators

Study Groups

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XEN1101 10 mg

During the double blind treatment period (42 days), subjects will take 1 capsule of XEN1101 10 mg, orally with food, per day

Group Type EXPERIMENTAL

XEN1101 10 mg

Intervention Type DRUG

XEN1101 oral capsule

XEN1101 20 mg

During the double blind treatment period (42 days), subjects will take 1 capsule of XEN1101 20 mg, orally with food, per day

Group Type EXPERIMENTAL

XEN1101 20 mg

Intervention Type DRUG

XEN1101 oral capsule

placebo

During the double blind treatment period (42 days), subjects will take 1 capsule of placebo, orally with food, per day

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo capsule

Interventions

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XEN1101 10 mg

XEN1101 oral capsule

Intervention Type DRUG

XEN1101 20 mg

XEN1101 oral capsule

Intervention Type DRUG

Placebo

Placebo capsule

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Be properly informed of the nature and risks of the study and given written informed consent.
* Male or female, aged 18 through 65 years (inclusive) with a body mass index (BMI) ≤35 kg/m².
* Subject must meet the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for current MDD and currently in a moderate to severe major depressive episode (MDE), confirmed using the Mini International Neuropsychiatric Interview (MINI).
* Current MDE duration ≥2 months and \<24 months at the time of screening.
* Current illness severity that is at least moderate, defined as a score of ≥20 on the HAM-D17 at screening and on Day 1.
* Score ≥20 on the SHAPS at screening and on Day1.
* Must be willing to comply with the study protocol for the full term of the study.

Exclusion Criteria

* A primary psychiatric diagnosis other than MDD as defined by DSM-5 (comorbid anxiety disorders \[including agoraphobia, generalized anxiety disorder, social anxiety disorder, post-traumatic stress disorder (PTSD), and panic disorder\] are allowed).
* Concomitant use of antidepressants and/or other disallowed pharmacotherapy (including benzodiazepines).
* History of schizophrenia or other psychotic disorder, MDD with psychotic features, bipolar I or II disorder, or MDD with mixed features.
* History of non-response to \>1 antidepressant drug due to lack of efficacy in the current MDE.
* Failing \>3 antidepressant drug trials, for any reason, in the current MDE.
* History of non-response to electroconvulsive therapy (ECT) in the past 10 years.
* Active suicidal plan/intent in the past 6 months, or more than 1 lifetime suicide attempt.
* Females who are pregnant, breastfeeding, or planning to become pregnant during the first administration of study drug until 3 months after the last dose of study drug.
* Meets criteria for a substance use disorder within the past 12 months, with the exception of tobacco use, and/or has a positive urine toxicology screen for drugs of abuse.
* Any medical condition or personal circumstance that, in the opinion of the investigator, exposes the subject to unacceptable risk by participating in the study or prevents adherence to the protocol.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 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

Principal Investigators

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Study Director

Role: STUDY_DIRECTOR

Xenon Pharmaceuticals Inc.

Locations

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Advanced Research Center

Anaheim, California, United States

Site Status

Sunwise Clinical Research, LLC

Lafayette, California, United States

Site Status

California Neuropsychopharmacology Clinical Research Institute

Pico Rivera, California, United States

Site Status

Artemis Institute for Clinical Research

Riverside, California, United States

Site Status

Artemis Institute for Clinical Research

San Diego, California, United States

Site Status

Meridian International Research

Miami, Florida, United States

Site Status

Global Medical Institutes (GMI)

Miami, Florida, United States

Site Status

CCM Clinical Reseach Group, LLC

Miami, Florida, United States

Site Status

i-Research, Atlanta

Decatur, Georgia, United States

Site Status

Psych Atlanta, PC

Marietta, Georgia, United States

Site Status

iResearch

Savannah, Georgia, United States

Site Status

Revive Research Institute, Inc.

Elgin, Illinois, United States

Site Status

Altea Research

Las Vegas, Nevada, United States

Site Status

Hassman Research Institute

Marlton, New Jersey, United States

Site Status

Bio Behavioral Health

Toms River, New Jersey, United States

Site Status

Neurobehavioral Research, Inc. (NBR)

Cedarhurst, New York, United States

Site Status

Manhattan Behavioral Medicine, PLLC

New York, New York, United States

Site Status

Richard M Weisler and Association

Raleigh, North Carolina, United States

Site Status

FutureSearch Trials of Dallas, LP

Dallas, Texas, United States

Site Status

AIM Trials

Plano, Texas, United States

Site Status

Countries

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United States

References

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Butterfield NN, Luzon Rosenblut C, Fava M, Correll CU, Rothschild AJ, Murrough JW, Mathew SJ, Beatch GN, Grayson C, Harden C, Qian J, McIntosh J, Namdari R, Kenney C. Azetukalner, a Novel KV7 Potassium Channel Opener, in Adults With Major Depressive Disorder: A Randomized Clinical Trial. JAMA Netw Open. 2025 May 1;8(5):e2514278. doi: 10.1001/jamanetworkopen.2025.14278.

Reference Type DERIVED
PMID: 40423966 (View on PubMed)

Other Identifiers

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XPF-008-204

Identifier Type: -

Identifier Source: org_study_id

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