UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062340
Receipt number R000071338
Scientific Title Verification of the relaxation effect of mugwort bathing: Crossover comparative study
Date of disclosure of the study information 2026/07/26
Last modified on 2026/07/26 14:54:11

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Basic information

Public title

Verification of the relaxation effect of mugwort bathing: Crossover comparative study

Acronym

Verification of the relaxation effect of mugwort bathing: Crossover comparative study

Scientific Title

Verification of the relaxation effect of mugwort bathing: Crossover comparative study

Scientific Title:Acronym

Verification of the relaxation effect of mugwort bathing: Crossover comparative study

Region

Japan


Condition

Condition

healthy adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study evaluates whether bathing in mugwort water has a relaxing effect.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The relaxation effect of mugwort bathing will be evaluated using the State Anxiety Inventory (SAI).

Key secondary outcomes

Evaluate sleep quality using OSA-MA.

Evaluate the sense of relaxation using S-MARE.

Subjective happiness will be evaluated using the Subjective Happiness Scale (SHS).

Depression, stress, and anxiety are assessed using the DASS-21.


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration


Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Intervention group: Participants will be instructed to take a bath in bathwater containing a mugwort bath additive for at least 5 minutes and no more than 10 minutes per session, three times per week.

Interventions/Control_2

Control group: Participants will be instructed to take a bath in bathwater containing a placebo bath additive for at least 5 minutes and no more than 10 minutes per session, three times per week.

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

28 years-old >

Gender

Male and Female

Key inclusion criteria

Those who have received sufficient explanation about the purpose and contents of this research, have the ability to consent, volunteered voluntarily after fully understanding, and agreed to participate in writing.

Key exclusion criteria

Exclusion criteria for participation in the study are as follows:
1. Individuals who refuse to participate in the study by their own will
2. People who are allergic to mugwort
3. Pregnant or breastfeeding individuals
4. Individuals with chronic diseases (such as hypertension, epilepsy)
5. Individuals deemed unsuitable by the principal investigator

Target sample size

34


Research contact person

Name of lead principal investigator

1st name Nobuyuki
Middle name
Last name Wakui

Organization

Hoshi University

Division name

Department of Practical Pharmacy Education

Zip code

142-8501

Address

2-4-41 Ebara, Shinagawa-ku, Tokyo

TEL

03-5498-5760

Email

n-wakui@hoshi.ac.jp


Public contact

Name of contact person

1st name Nobuyuki
Middle name
Last name Wakui

Organization

Hoshi University

Division name

Department of Practical Pharmacy Education

Zip code

142-8501

Address

2-4-41 Ebara, Shinagawa-ku, Tokyo

TEL

03-5498-5760

Homepage URL


Email

n-wakui@hoshi.ac.jp


Sponsor or person

Institute

Hoshi University

Institute

Department

Personal name



Funding Source

Organization

Hoshi University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Hoshi University Research Ethics Committee

Address

2-4-41 Ebara, Shinagawa-ku, Tokyo

Tel

03-5498-5760

Email

n-wakui@hoshi.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

2026 Year 07 Month 26 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 07 Month 04 Day

Date of IRB

2026 Year 07 Month 04 Day

Anticipated trial start date

2026 Year 11 Month 01 Day

Last follow-up date

2026 Year 11 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 07 Month 26 Day

Last modified on

2026 Year 07 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071338