UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061264
Receipt number R000069873
Scientific Title A Study on Treatment Preferences Regarding Dosage Forms of Dementia Medications in Japan.
Date of disclosure of the study information 2026/04/16
Last modified on 2026/04/15 09:32:26

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

A Study on Treatment Preferences Regarding Dosage Forms of Dementia Medications in Japan.

Acronym

A Study on Treatment Preferences Regarding Dosage Forms of Dementia Medications in Japan.

Scientific Title

A Study on Treatment Preferences Regarding Dosage Forms of Dementia Medications in Japan.

Scientific Title:Acronym

A Study on Treatment Preferences Regarding Dosage Forms of Dementia Medications in Japan.

Region

Japan


Condition

Condition

MCI due to Alzheimer's disease (AD) or Mild AD dementia

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objective of this study is to quantify the factors and preferences influencing treatment selection for mild cognitive impairment and mild dementia due to Alzheimer's disease, expressed as utility values derived from the value judgments of the general population.

Basic objectives2

Others

Basic objectives -Others

Treatment Preferences Study

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Utility values represent the factors and preferences underlying treatment selection for mild cognitive impairment and mild dementia due to Alzheimer's disease in the general population.

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

40 years-old <=

Age-upper limit

80 years-old >

Gender

Male and Female

Key inclusion criteria

Participants must meet all of the following conditions to be eligible for inclusion in the study:
1. Aged 40 years or older and younger than 80 years at the time of enrollment.
2. Provides informed consent to participate in the study.
3. Resides in Japan at the time of enrollment.
4. Has access to the necessary devices and a stable internet environment to complete the study online.

Key exclusion criteria

Participants who meet any of the following conditions will be excluded from the study:
1. Individuals for whom obtaining informed consent or completing the study procedures is deemed difficult due to insufficient comprehension ability, cognitive capacity, or Japanese language proficiency.
2. Individuals who are unable to personally participate in the survey.

Target sample size

2000


Research contact person

Name of lead principal investigator

1st name Kiyoyuki
Middle name
Last name Tomita

Organization

Eisai Co., Ltd.

Division name

Japan Value and Access Department

Zip code

112-8088

Address

Koishikawa 4-6-10, Bunkyo-ku, Tokyo, 112-8088, Japan

TEL

080-2158-5462

Email

k2-tomita@hhc.eisai.co.jp


Public contact

Name of contact person

1st name Mie
Middle name
Last name Azuma

Organization

Eisai Co., Ltd.

Division name

Japan Value and Access Department

Zip code

112-8088

Address

Koishikawa 4-6-10, Bunkyo-ku, Tokyo, 112-8088, Japan

TEL

070-2474-2454

Homepage URL


Email

m3-azuma@hhc.eisai.co.jp


Sponsor or person

Institute

Eisai Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Eisai Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Shiba Palace Clinic IRB

Address

Daiwa A Hamamatsu-chiyou building, 6 floor, 1-9-10 Hamamatsu-chiyou, Minato-ku, 105-0013 Tokyo

Tel

03-5408-1555

Email

rinri@s-palace-clinic.com


Secondary IDs

Secondary IDs

YES

Study ID_1

R2000-J081-016

Org. issuing International ID_1

Eisai Co., Ltd.

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 04 Month 16 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

Preinitiation

Date of protocol fixation

2026 Year 04 Month 09 Day

Date of IRB

2026 Year 04 Month 09 Day

Anticipated trial start date

2026 Year 04 Month 20 Day

Last follow-up date

2026 Year 05 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This study is classified, in accordance with the Ethical Guidelines for Life Science and Medical Research Involving Human Subjects, as a non-invasive, non-interventional research study that does not use human-derived biological specimens, and is conducted as an online questionnaire survey targeting members of the general public.
The survey will be carried out via the internet between April and May 2026.
To evaluate treatment-related attributes and preferences, the study employs a Discrete Choice Experiment (DCE) method, which enables quantitative estimation of respondents' latent preferences.


Management information

Registered date

2026 Year 04 Month 15 Day

Last modified on

2026 Year 04 Month 15 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069873