A Study to Evaluate the Efficacy, Safety and Tolerability of Fixed Doses of Intranasal Esketamine in Japanese Participants With Treatment Resistant Depression
A Randomized, Double-blind, Multicenter, Placebo-controlled Study to Evaluate the Efficacy, Safety and Tolerability of Fixed Doses of Intranasal Esketamine in Japanese Subjects With Treatment Resistant Depression
2 other identifiers
interventional
202
1 country
43
Brief Summary
The purpose of this study is to evaluate the efficacy of fixed dosed intranasal esketamine compared to intranasal placebo, as an add-on to an oral antidepressant in Japanese participants with treatment-resistant depression (TRD), in improving depressive symptoms.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2 depression
Started Dec 2016
Typical duration for phase_2 depression
43 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 27, 2016
CompletedFirst Posted
Study publicly available on registry
September 28, 2016
CompletedStudy Start
First participant enrolled
December 12, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 19, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
December 13, 2019
CompletedResults Posted
Study results publicly available
October 19, 2020
CompletedApril 29, 2025
April 1, 2025
2.7 years
September 27, 2016
August 18, 2020
April 25, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Double-Blind (DB) Induction Phase: Change From Baseline in Montgomery-Asberg Depression Rating Scale (MADRS) Total Score up to Day 28
MADRS is clinician-rated scale designed to measure depression severity, and to detect changes due to antidepressant treatment. Scale consists of 10 items (apparent sadness, reported sadness, inner tension, sleep, appetite, concentration, lassitude, interest level, pessimistic thoughts, and suicidal thoughts), each of which is scored from 0 (item is not present or is normal) to 6 (severe or continuous presence of symptoms), summed for a total possible score of 0 to 60. Higher scores represent more severe condition. Negative change in score indicates improvement.
Baseline (Day 1) up to Day 28 (DB phase) induction
Secondary Outcomes (12)
DB Induction Phase: Percentage of Participants With Response Based on MADRS Total Score
Days 2, 8, 15, 22 and 28 (DB induction phase)
DB Induction Phase: Percentage of Participants With Remission Based on MADRS Total Score
Days 2, 8, 15, 22 and 28 (DB induction phase)
DB Induction Phase: Percentage of Participants Showing Onset of Clinical Response
Day 2 up to Day 28 (DB induction phase)
DB Induction Phase: Change From Baseline in Clinical Global Impression - Severity (CGI-S) Total Score up to Day 28
Baseline (Day 1) up to Day 28 (DB induction pahse)
DB Induction Phase: Change From Baseline in Generalized Anxiety Disorder 7-Item Scale (GAD-7) up to Day 28
Baseline (Day 1) up to Day 28 (DB induction phase)
- +7 more secondary outcomes
Study Arms (4)
Placebo
EXPERIMENTALParticipant will receive 1 spray of placebo to each nostril at 0 minute, 5 minutes and 10 minutes.
Esketamine 28 milligram (mg)
EXPERIMENTALParticipant will receive 1 spray of Esketamine to each nostril at 0 minute and placebo at 5 minutes and 10 minutes.
Esketamine 56 mg
EXPERIMENTALParticipant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and placebo at 10 minutes.
Esketamine 84 mg
EXPERIMENTALParticipant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and 10 minutes.
Interventions
Participant will receive 1 spray of placebo to each nostril at 0 minute, 5 minutes and 10 minutes.
Participant will receive 1 spray of Esketamine to each nostril at 0 minute and placebo at 5 minutes and 10 minutes.
Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and placebo at 10 minutes.
Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and 10 minutes.
Eligibility Criteria
You may qualify if:
- At the start of the screening phase, participant must meet the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) diagnostic criteria for single-episode major depressive disorder (MDD) or recurrent major depressive disorder (MDD), without psychotic features, based upon clinical assessment and confirmed by the Mini International Neuropsychiatric Interview (MINI). In the case of single-episode MDD, the participant must be diagnosed with persistent depressive disorder, which meets criteria of major depressive episode for a continuous duration of greater than or equal to (\>=)2 years, and the same physician from the site must be examining the participant for \>=2 years continuously as a primary care physician of the participant
- The participant's current major depressive episode, depression symptom severity (MADRS total score greater than or equal to \[\>=\] 28 required), and antidepressant treatment response in the current depressive episode, must be confirmed using the SAFER interview
- Participant must be medically stable on the basis of clinical laboratory tests, physical examination, medical history, vital signs (including blood pressure), pulse oximetry, and 12-lead electrocardiogram (ECG) performed in the screening phase
- A woman of childbearing potential must have a negative highly sensitive serum Beta (β) human chorionic gonadotropin \[β-hCG\] test at the start of the screening phase and a negative urine pregnancy test must be obtained before the first dose of study drug on Day 1 of the double-blind induction phase prior to randomization
- Contraceptive use by men or women should be consistent with local regulations regarding the use of contraceptive methods for participant participating in clinical studies
You may not qualify if:
- Participant has received vagal nerve stimulation or has received deep brain stimulation in the current episode of depression
- Participant previously received esketamine or ketamine as treatment for their MDD
- Participant has homicidal ideation/intent, per the investigator's clinical judgment, or has suicidal ideation with some intent to act within 6 months prior to the start of the screening phase
- Participant has a history of moderate or severe substance or alcohol use disorder according to DSM-5 criteria, except nicotine or caffeine, within 6 months before the start of the screening phase
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (43)
Unknown Facility
Akita, Japan
Unknown Facility
Fukui-shi, Japan
Unknown Facility
Fukuoka, Japan
Unknown Facility
Gunma, Japan
Unknown Facility
Hachinohe-shi, Japan
Unknown Facility
Hachioji-shi, Japan
Unknown Facility
Hirakata, Japan
Unknown Facility
Hiratsuka-shi, Japan
Unknown Facility
Hokkaido, Japan
Unknown Facility
Ibaraki, Japan
Unknown Facility
Ichikawa, Japan
Unknown Facility
Kanzaki-gun, Japan
Unknown Facility
Karatsu, Japan
Unknown Facility
Kashihara, Japan
Unknown Facility
Kawasaki, Japan
Unknown Facility
Kita-Azumi, Japan
Unknown Facility
Kita-ku, Japan
Unknown Facility
Kitakyushu, Japan
Unknown Facility
Kobe, Japan
Unknown Facility
Kochi, Japan
Unknown Facility
Kodaira, Japan
Unknown Facility
Komoro-shi, Japan
Unknown Facility
Kumamoto, Japan
Unknown Facility
Kure, Japan
Unknown Facility
Kurume-shi, Japan
Unknown Facility
Kyoto, Japan
Unknown Facility
Maizuru, Japan
Unknown Facility
Morioka, Japan
Unknown Facility
Nagakute, Japan
Unknown Facility
Nagasaki, Japan
Unknown Facility
Okayama, Japan
Unknown Facility
Okinawa, Japan
Unknown Facility
Osaka, Japan
Unknown Facility
Sapporo, Japan
Unknown Facility
Setagaya-ku, Japan
Unknown Facility
Shibuya-ku, Japan
Unknown Facility
Shinjuku, Japan
Unknown Facility
Shinjuku-ku, Japan
Unknown Facility
Takatsuki-shi, Japan
Unknown Facility
Toyoake, Japan
Unknown Facility
Ube, Japan
Unknown Facility
Yokohama, Japan
Unknown Facility
Yonago, Japan
Related Publications (2)
Ohnishi T, Wakamatsu A, Kobayashi H. Different symptomatic improvement pattern revealed by factor analysis between placebo response and response to Esketamine in treatment resistant depression. Psychiatry Clin Neurosci. 2022 Aug;76(8):377-383. doi: 10.1111/pcn.13379. Epub 2022 Jun 9.
PMID: 35596932DERIVEDTakahashi N, Yamada A, Shiraishi A, Shimizu H, Goto R, Tominaga Y. Efficacy and safety of fixed doses of intranasal Esketamine as an add-on therapy to Oral antidepressants in Japanese patients with treatment-resistant depression: a phase 2b randomized clinical study. BMC Psychiatry. 2021 Oct 25;21(1):526. doi: 10.1186/s12888-021-03538-y.
PMID: 34696742DERIVED
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Limitations and Caveats
Esk has transient dissociative effects that are difficult to blind, these specific events could have biased clinical staff who observed treatment sessions. To ensure an unbiased efficacy evaluation, remote, blinded MADRS raters were used.
Results Point of Contact
- Title
- Global Medical Head
- Organization
- Janssen Pharmaceutical K.K., Japan
Study Officials
- STUDY DIRECTOR
Janssen Pharmaceutical K.K., Japan Clinical Trial
Janssen Pharmaceutical K.K.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 27, 2016
First Posted
September 28, 2016
Study Start
December 12, 2016
Primary Completion
August 19, 2019
Study Completion
December 13, 2019
Last Updated
April 29, 2025
Results First Posted
October 19, 2020
Record last verified: 2025-04