UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062537
Receipt number R000071543
Scientific Title A Retrospective Observational Study to Evaluate Real-World Use of Zuranolone in Patients with Major Depressive Disorder
Date of disclosure of the study information 2026/08/10
Last modified on 2026/08/10 11:31:21

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Basic information

Public title

A Retrospective Observational Study to Evaluate Real-World Use of Zuranolone in Patients with Major Depressive Disorder

Acronym

ORIENT Study

Scientific Title

A Retrospective Observational Study to Evaluate Real-World Use of Zuranolone in Patients with Major Depressive Disorder

Scientific Title:Acronym

ORIENT Study

Region

Japan


Condition

Condition

Depression and Depressive Symptoms

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To descriptively evaluate the course of depressive symptoms following initiation of Zuranolone treatment in routine clinical practice among patients with depression and depressive symptoms, using the total score of the Quick Inventory of Depressive Symptomatology (QIDS-J, Japanese version) as the assessment measure.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change from baseline in the QIDS-J total score at 2 weeks after initiation of zuranolone treatment

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who meet all of the following criteria will be eligible for inclusion in this study:
1) Patients who have provided voluntary consent for participation in the study including the use of their data for research purposes.
2) Male or female patients aged 18 years of older at the time of initiation of zuranolone treatment.
3) Patients who were diagnosed with depression or depressive states at the study site and received their first administration of zuranolone between March 2026 and June 2026.
4) Patients for whom the following data are available.
.Documentation confirming the diagnosis of depression or depressive states
.Documentation confirming the date of initiation of zuranolone treatment.
.A QIDS-J assessment at the time of initiation of zuranolone treatment.
5) Patients with a QIDS-J total score of 6 points or higher at the time of initiation of zuranolone treatment.

Key exclusion criteria

Patients who meet any of the following criteria will be excluded from this study:
1) Patients who are outside the approved indication for zuranolone or have a contraindication to zuranolone.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Soichi
Middle name
Last name Kono

Organization

Cosmos Street Psychosomatic Clinic

Division name

Psychiatry

Zip code

963-0207

Address

3-69 Narukami, Koriyama City, Fukushima, 963-0207, Japan

TEL

024-962-7202

Email

papilk-no@diary.ocn.ne.jp


Public contact

Name of contact person

1st name Yuko
Middle name
Last name Ishikawa

Organization

APOPLUS STATION CO.LTD.

Division name

Clinical Operation Dept. Clinical Reserch and Development Group

Zip code

103-0027

Address

Front Place Nihonbashi 2-14-1, Nihonbashi Chuo-ku, Tokyo 103-0027, Japan

TEL

03-6386-8804

Homepage URL


Email

Zuz@apoplus.co.jp


Sponsor or person

Institute

Cosmos Street Psychosomatic Clinic

Institute

Department

Personal name



Funding Source

Organization

Shionogi & Co., Ltd

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Yoyogi Mental Clinic Research Ethics Committee

Address

3F, 4-26-11 Sendagaya, Shibuya-ku, Tokyo

Tel

03-6455-4173

Email

cns_jimu@triad-j.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 08 Month 10 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Enrolling by invitation

Date of protocol fixation

2026 Year 07 Month 06 Day

Date of IRB

2026 Year 08 Month 03 Day

Anticipated trial start date

2026 Year 08 Month 18 Day

Last follow-up date

2026 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Study design:Retrospective single-arm observational study
Subject recruitment method: Patients fulfilled all the inclusion and exclusion criteria
Items: QIDS-J, Adverse events


Management information

Registered date

2026 Year 08 Month 10 Day

Last modified on

2026 Year 08 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071543