NCT02918318

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
202

participants targeted

Target at P75+ for phase_2 depression

Timeline
Completed

Started Dec 2016

Typical duration for phase_2 depression

Geographic Reach
1 country

43 active sites

Status
completed

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

Completed
1 day until next milestone

First Posted

Study publicly available on registry

September 28, 2016

Completed
3 months until next milestone

Study Start

First participant enrolled

December 12, 2016

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 19, 2019

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 13, 2019

Completed
10 months until next milestone

Results Posted

Study results publicly available

October 19, 2020

Completed
Last Updated

April 29, 2025

Status Verified

April 1, 2025

Enrollment Period

2.7 years

First QC Date

September 27, 2016

Results QC Date

August 18, 2020

Last Update Submit

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

EXPERIMENTAL

Participant will receive 1 spray of placebo to each nostril at 0 minute, 5 minutes and 10 minutes.

Drug: Placebo

Esketamine 28 milligram (mg)

EXPERIMENTAL

Participant will receive 1 spray of Esketamine to each nostril at 0 minute and placebo at 5 minutes and 10 minutes.

Drug: Intranasal esketamine (28 mg)

Esketamine 56 mg

EXPERIMENTAL

Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and placebo at 10 minutes.

Drug: Intranasal esketamine (56 mg)

Esketamine 84 mg

EXPERIMENTAL

Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and 10 minutes.

Drug: Intranasal esketamine (84 mg)

Interventions

Participant will receive 1 spray of placebo to each nostril at 0 minute, 5 minutes and 10 minutes.

Placebo

Participant will receive 1 spray of Esketamine to each nostril at 0 minute and placebo at 5 minutes and 10 minutes.

Esketamine 28 milligram (mg)

Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and placebo at 10 minutes.

Esketamine 56 mg

Participant will receive 1 spray of Esketamine to each nostril at 0 minute, 5 minutes and 10 minutes.

Esketamine 84 mg

Eligibility Criteria

Age20 Years - 64 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

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

Location

Unknown Facility

Fukui-shi, Japan

Location

Unknown Facility

Fukuoka, Japan

Location

Unknown Facility

Gunma, Japan

Location

Unknown Facility

Hachinohe-shi, Japan

Location

Unknown Facility

Hachioji-shi, Japan

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Unknown Facility

Hirakata, Japan

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Unknown Facility

Hiratsuka-shi, Japan

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Unknown Facility

Hokkaido, Japan

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Unknown Facility

Ibaraki, Japan

Location

Unknown Facility

Ichikawa, Japan

Location

Unknown Facility

Kanzaki-gun, Japan

Location

Unknown Facility

Karatsu, Japan

Location

Unknown Facility

Kashihara, Japan

Location

Unknown Facility

Kawasaki, Japan

Location

Unknown Facility

Kita-Azumi, Japan

Location

Unknown Facility

Kita-ku, Japan

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Unknown Facility

Kitakyushu, Japan

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Kobe, Japan

Location

Unknown Facility

Kochi, Japan

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Kodaira, Japan

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Komoro-shi, Japan

Location

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Kumamoto, Japan

Location

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Kure, Japan

Location

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Kurume-shi, Japan

Location

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Kyoto, Japan

Location

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Maizuru, Japan

Location

Unknown Facility

Morioka, Japan

Location

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Nagakute, Japan

Location

Unknown Facility

Nagasaki, Japan

Location

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Okayama, Japan

Location

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Okinawa, Japan

Location

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Osaka, Japan

Location

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Sapporo, Japan

Location

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Setagaya-ku, Japan

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Shibuya-ku, Japan

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Unknown Facility

Shinjuku, Japan

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Unknown Facility

Shinjuku-ku, Japan

Location

Unknown Facility

Takatsuki-shi, Japan

Location

Unknown Facility

Toyoake, Japan

Location

Unknown Facility

Ube, Japan

Location

Unknown Facility

Yokohama, Japan

Location

Unknown Facility

Yonago, Japan

Location

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.

  • Takahashi 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.

Related Links

MeSH Terms

Conditions

Depression

Condition Hierarchy (Ancestors)

Behavioral SymptomsBehavior

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

  • Janssen Pharmaceutical K.K., Japan Clinical Trial

    Janssen Pharmaceutical K.K.

    STUDY DIRECTOR

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

Locations