UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060995
Receipt number R000069796
Scientific Title A feasibility study on the development of digital biomarkers for the quantitative evaluation of menstrual pain using wearable devices
Date of disclosure of the study information 2026/03/20
Last modified on 2026/03/19 17:20:48

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Basic information

Public title

A study to find a method to objectively measure the severity of menstrual pain using a smartwatch

Acronym

A study to find a method to objectively measure the severity of menstrual pain using a smartwatch

Scientific Title

A feasibility study on the development of digital biomarkers for the quantitative evaluation of menstrual pain using wearable devices

Scientific Title:Acronym

A feasibility study on the development of digital biomarkers for the quantitative evaluation of menstrual pain using wearable devices

Region

Japan


Condition

Condition

Adult women

Classification by specialty

Obstetrics and Gynecology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the possibility of developing a digital biomarker for estimating the intensity of menstrual pain in Japanese women

Basic objectives2

Others

Basic objectives -Others

Algorithm Development and Verification

Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Estimation accuracy of dysmenorrhea score based on biometric data

Key secondary outcomes

Exploratory investigations using biometric data, including the following items, will be conducted:
(1) Estimation accuracy of pain VAS
(2) Estimation accuracy of MDQ score
(3) Estimation accuracy of EQ-5D-5L score
(4) Prediction accuracy of dysmenorrhea score from the next menstrual cycle onwards
(5) Relationship between physical condition records in the app and each questionnaire score


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

45 years-old >=

Gender

Female

Key inclusion criteria

(1) Premenopausal women aged 18 to 45 years at the time of informed consent
(2) Those who can confirm regular menstrual cycles (24-38 day cycle)
(3) Those who routinely record menstrual information in a healthcare application
(4) Those who own a smartphone capable of installing the wearable device application and can agree to the terms of use regarding the wearable device and application used in the study
(5) Those who have provided appropriate written informed consent to participate in this study

Key exclusion criteria

(1) Those who have taken oral contraceptives, low-dose estrogen-progestin combinations, progestin preparations, or GnRH analog preparations within 2 months prior to the start of the study
(2) Those who have had no menstruation for the past 3 months or more, are pregnant, breastfeeding, or actively desiring to become pregnant during the study period
(3) Those using devices or medications that may affect heart rate, such as pacemakers or certain drugs
(4) Those with highly irregular sleep rhythms, such as shift workers
(5) Those with chronic pain disorders (e.g., chronic migraine or fibromyalgia), poorly controlled severe psychiatric disorders, infectious diseases, or diseases under treatment, making health management difficult
(6) Those with symptoms such as eczema, allergies, asthma, or sensitive skin that are prone to dermatitis caused by wearable devices
(7) Others judged inappropriate to participate in this study by the principal investigator

Target sample size

360


Research contact person

Name of lead principal investigator

1st name Kazumichi
Middle name
Last name Minato

Organization

TechDoctor, Inc.

Division name

Board Member

Zip code

104-0031

Address

2-2-1 Kyobashi, Chuo-ku, Tokyo

TEL

03-5476-8889

Email

minato@technology-doctor.com


Public contact

Name of contact person

1st name Kosaku
Middle name
Last name Kawada

Organization

TechDoctor, Inc.

Division name

Business Development

Zip code

104-0031

Address

2-2-1 Kyobashi, Chuo-ku, Tokyo

TEL

03-5476-8889

Homepage URL


Email

kawada@technology-doctor.com


Sponsor or person

Institute

TechDoctor, Inc.

Institute

Department

Personal name



Funding Source

Organization

ASKA Pharmaceutical Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

ASKA Pharmaceutical Co., Ltd.

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Yoyogi Mental Clinic Research Ethics Committee

Address

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

Tel

03-6804-2227

Email

cns_jimu(a)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 03 Month 20 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 02 Month 26 Day

Date of IRB

2026 Year 03 Month 02 Day

Anticipated trial start date

2026 Year 03 Month 23 Day

Last follow-up date

2027 Year 02 Month 28 Day

Date of closure to data entry

2027 Year 03 Month 31 Day

Date trial data considered complete

2027 Year 05 Month 31 Day

Date analysis concluded

2027 Year 08 Month 30 Day


Other

Other related information

To investigate the possibility of developing a digital biomarker for estimating the intensity of menstrual pain in Japanese women


Management information

Registered date

2026 Year 03 Month 19 Day

Last modified on

2026 Year 03 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069796