UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000053190
Receipt number R000060687
Scientific Title Examination for the effects of air purifiers on allergic rhinitis symptoms
Date of disclosure of the study information 2023/12/25
Last modified on 2023/12/22 07:00:26

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Basic information

Public title

Examination for the effects of air purifiers on allergic rhinitis symptoms

Acronym

Examination for the effects of air purifiers

Scientific Title

Examination for the effects of air purifiers on allergic rhinitis symptoms

Scientific Title:Acronym

Examination for the effects of air purifiers

Region

Japan


Condition

Condition

allergic rhinitis

Classification by specialty

Medicine in general Clinical immunology Oto-rhino-laryngology
Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify whether the use of air purifiers is useful for alleviating allergic symptoms in patients with allergic rhinitis.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

If there is any improvement in the Japan Allergic Rhinitis Standard Quality of Life Questionnaire (JRQLQ): The JRQLQ includes questions about six areas: daily life, outdoor life, social life, sleep, physical, and mental health. The total score of each score is the primary outcome, and evaluate whether the score is decrease after using the purifier compared to before.

Key secondary outcomes



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


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Ten air purifiers A and B are randomly prepared with or without filters.
During the seven-week test period, air purifier A is operated for the first two weeks, followed by a three-week wash out period, and air purifier B is operated for the remaining two weeks.
Intervention 1 is first two weeks.

Interventions/Control_2

Ten air purifiers A and B are randomly prepared with or without filters.
During the seven-week test period, air purifier A is operated for the first two weeks, followed by a three-week wash out period, and air purifier B is operated for the remaining two weeks.
Intervention 2 is last two weeks.

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


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Allergic rhinitis patients attending the Department of Otorhinolaryngology/Head and Neck Surgery, Kyoto University Hospital
2. Persons who are 18 years of age or older at the time of obtaining consent
3. Persons with specific IgE antibodies to class 3 or higher for leopard mites and Japanese cedar
4. Those who have nasal congestion, nasal discharge, sneezing, or any nasal symptom score of 2+ or higher and have persisted for more than 1 week.
5. Persons who have an air purifier, mobile router, environmental sensor, and petri dish installed in the room where they sleep and are able to operate them at night while sleeping.

Key exclusion criteria

1. Those who have participated in other clinical research/trials involving intervention within 3 months before consent was obtained.
2. People who are already using air purifiers at home
3. Have a history of substance abuse (drugs or alcohol) within the past 5 years or other factors (such as serious mental conditions) that may limit the ability to comply with the study procedures.
4. Those who have purchased a futon or bed more than half a year ago
5. Those who do not stay overnight for one week or more during the exam.
6. Persons using allergy-proof bedding
7. Any other person whose participation in this study is considered inappropriate according to the judgment of the physician participating in the study.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Mami
Middle name
Last name Matsunaga

Organization

Department of Otolaryngology, Head and Neck Surgery
Kyoto University

Division name

Department of Otolaryngology, Head and Neck Surgery

Zip code

6068507

Address

54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto

TEL

0757513346

Email

m_matsunaga@ent.kuhp.kyoto-u.ac.jp


Public contact

Name of contact person

1st name Mami
Middle name
Last name Matsunaga

Organization

Kyoto university

Division name

Center for Allergy, Kyoto University Hospital

Zip code

6068507

Address

54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto

TEL

0757513346

Homepage URL


Email

m_matsunaga@ent.kuhp.kyoto-u.ac.jp


Sponsor or person

Institute

Kyoto university

Institute

Department

Personal name

Mami Matsunaga


Funding Source

Organization

Daikin corporation

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

Kyoto university

Address

54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto

Tel

0757534680

Email

ethcom@kuhp.kyoto-u.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 12 Month 25 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

Enrolling by invitation

Date of protocol fixation

2023 Year 12 Month 20 Day

Date of IRB

2023 Year 12 Month 20 Day

Anticipated trial start date

2024 Year 01 Month 04 Day

Last follow-up date

2024 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2023 Year 12 Month 22 Day

Last modified on

2023 Year 12 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000060687


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name