UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000051519
Receipt number R000058770
Scientific Title Associations between cognitive function and work productivity in bipolar disorder patients: An observational study.
Date of disclosure of the study information 2023/07/04
Last modified on 2023/11/01 10:43:06

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Basic information

Public title

Associations between cognitive function and work productivity in bipolar disorder patients: An observational study.

Acronym

Associations between cognitive function and work productivity in bipolar disorder patients: An observational study.

Scientific Title

Associations between cognitive function and work productivity in bipolar disorder patients: An observational study.

Scientific Title:Acronym

Associations between cognitive function and work productivity in bipolar disorder patients: An observational study.

Region

Japan


Condition

Condition

Bipolar disorder

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objective of this study is to conduct a questionnaire survey of patients with bipolar disorder to prospectively assess work productivity, work status, and medical treatment status and to reveal their relationship with cognitive function.

Basic objectives2

Others

Basic objectives -Others

Correlation between change in cognitive function and work productivity

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in cognitive function and work productivity from baseline to 48 weeks

Key secondary outcomes

(1) Change in cognitive function and each assessment index (from baseline to the time of each assessment)
(2) Change in each assessment index in the improved cognitive function group and the worsened or unchanged cognitive function group at 12 weeks after baseline (from 12 weeks to the time of each assessment)
(3) Change in each assessment index in the mild cognitive disfunction group and the moderate to severe cognitive disfunction group at baseline (from baseline to each time of assessment)
(4) Change in each assessment index in the mild cognitive disfunction group and the moderate to severe cognitive disfunction group at 12 weeks after baseline (from 12 weeks to the time of each assessment)
(5) Cognitive function and each assessment index at baseline
(6) Patient background at baseline


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

60 years-old >

Gender

Male and Female

Key inclusion criteria

1.Bipolar patients registered with QLife attending a medical institution at the time of the first questionnaire survey
2.Patients aged 18 years or more and under 60 years at the time of informed consent
3.Patients who are employed or on temporary retirement
4.Patients who are able to complete the questionnaire via the website at the time of assessment
5.Patients who have given their consent to participate in this study

Key exclusion criteria

1.Patients who do not plan to return to work or find employment in the next one year
2.Hospitalized patients
3.Patients diagnosed with dementia

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Yoshikazu
Middle name
Last name Takaesu

Organization

University of the Ryukyus

Division name

Department of Neuropsychiatry, Graduate School of Medicine

Zip code

903-0215

Address

207 Aza-Uehara, Nishihara-cho, Nakagami-gun, Okinawa, Japan

TEL

098-895-1157

Email

takaesuy@med.u-ryukyu.ac.jp


Public contact

Name of contact person

1st name Yusuke
Middle name
Last name Kuwata

Organization

QLife, Inc.

Division name

Study Innovation Group, Patient Recruitment Division

Zip code

105-0001

Address

Toranomonn 33 Mori Bld.10F 3-8-21Toranomon Minato-ku Tokyo Japan

TEL

0120-37-4089

Homepage URL


Email

clinical-research-dmq23@m3.com


Sponsor or person

Institute

University of the Ryukyus

Institute

Department

Personal name



Funding Source

Organization

Sumitomo Pharma 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

Ethics Review Committee for Life Sciences and Medical Research Involving Human Subjects, University of the Ryukyus

Address

207 Aza-Uehara, Nishihara-cho, Nakagami-gun, Okinawa, Japan

Tel

098-895-1543

Email

krinken@acs.u-ryukyu.ac.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

2023 Year 07 Month 04 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

No longer recruiting

Date of protocol fixation

2023 Year 05 Month 22 Day

Date of IRB

2023 Year 06 Month 21 Day

Anticipated trial start date

2023 Year 07 Month 07 Day

Last follow-up date

2024 Year 09 Month 12 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Correlation between change in cognitive function and work productivity.


Management information

Registered date

2023 Year 07 Month 04 Day

Last modified on

2023 Year 11 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000058770


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name