UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000058474
Receipt number R000066544
Scientific Title A verification study on the psychological and physiological effects of aroma inhalation
Date of disclosure of the study information 2026/07/15
Last modified on 2026/01/07 10:47:42

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Basic information

Public title

A verification study on the psychological and physiological effects of aroma inhalation

Acronym

A verification study on the psychological and physiological effects of aroma inhalation

Scientific Title

A verification study on the psychological and physiological effects of aroma inhalation

Scientific Title:Acronym

A verification study on the psychological and physiological effects of aroma inhalation

Region

Japan


Condition

Condition

female adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify psychological and physiological effects of the test aroma

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Pupillary light reflex with Iriscorder Dual

Key secondary outcomes

Subjective questionnaire, Skin temperature, Brain activity


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Inhale the aroma of the test product for 2 minutes under spontaneous respiration at the designated time.

Interventions/Control_2

Inhale the aroma of the placebo product for 2 minutes under spontaneous respiration at the designated time.

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

20 years-old <=

Age-upper limit

50 years-old >

Gender

Female

Key inclusion criteria

1. Female aged 20 to below 50 years at the time of consent acquisition.
2. Individuals with a body mass index (BMI) of 18.5 kg/m2 or higher and less than 25.0 kg/m2.
3. Individuals who are able to give informed consent to participate in this study after receiving a detailed explanation of the protocol and understanding its contents.

Key exclusion criteria

1. Individuals who dislike citrus or woody scents.
2. Individuals with a smoking habit (except those who have abstained from smoking for more than six months).
3. Individuals who are currently taking pharmaceuticals, Foods for Specified Health Uses, Foods with Function Claims (e.g., GABA), or health foods (including supplements) that may affect the study outcomes.
4. Individuals with eye conditions (e.g., exotropia, esotropia, ptosis) or eyelash shapes that are unsuitable for pupillary measurement.
5. Individuals with conditions that interfere with pupillary measurement, such as dry eye.
6. Individuals with self-reported claustrophobia or nyctophobia.
7. Individuals who experience frequent daytime sleepiness or have irregular sleep patterns, such as night shift workers.
8. Individuals who are continuously taking therapeutic medications.
9. Individuals who are sensitive to cold (including those who feel cold in their extremities even during summer).
10. Individuals with nasal congestion due to allergic rhinitis or those who are unable to distinguish scents.
11. Individuals with injuries at the measurement site.
12. Individuals who are participating in, have participated in within the four weeks prior to the current trial, or are planning to participate in clinical trials of pharmaceuticals or health foods.
13. Individuals with dermatological conditions such as atopic dermatitis.
14. Individuals with chemical sensitivity or allergies to essential oils, alcohol, or synthetic fragrances.
15. Individuals with previous or current medical history of serious diseases in the heart, liver, kidney, digestive organs.
16. Individuals who are pregnant, breastfeeding, or intending to become pregnant during trial period.
17. Individuals deemed unsuitable for participation in the trial by the principal investigator or sub-investigator.

Target sample size

24


Research contact person

Name of lead principal investigator

1st name Fumiko
Middle name
Last name Nakamura

Organization

CPCC Company Limited

Division name

Clinical Support Department

Zip code

103-0021

Address

4F Daiwa Building, 3-3-10 Nihonbashi-Hongoku-Cho, Chuo-ku, Tokyo, Japan

TEL

03-6225-9001

Email

cpcc-contact@cpcc.co.jp


Public contact

Name of contact person

1st name Masanori
Middle name
Last name Numa

Organization

CPCC Company Limited

Division name

Clinical Planning Department

Zip code

103-0021

Address

4F Daiwa Building, 3-3-10 Nihonbashi-Hongoku-Cho, Chuo-ku, Tokyo, Japan

TEL

03-6225-9001

Homepage URL


Email

cpcc-contact@cpcc.co.jp


Sponsor or person

Institute

CPCC Company Limited

Institute

Department

Personal name



Funding Source

Organization

SUZUKI MOTOR CORPORATION

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

S.T. CORPORATION

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Chiyoda Paramedical Care Clinic

Address

2F Daiwa Building, 3-3-10 Nihonbashi-Hongoku-Cho, Chuo-ku, Tokyo 103-0021, Japan

Tel

03-6225-9005

Email

IRB@cpcc.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 07 Month 15 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

Completed

Date of protocol fixation

2025 Year 06 Month 30 Day

Date of IRB

2025 Year 06 Month 27 Day

Anticipated trial start date

2025 Year 07 Month 16 Day

Last follow-up date

2025 Year 08 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 07 Month 15 Day

Last modified on

2026 Year 01 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066544