Unique ID issued by UMIN | UMIN000053190 |
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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 |
Examination for the effects of air purifiers on allergic rhinitis symptoms
Examination for the effects of air purifiers
Examination for the effects of air purifiers on allergic rhinitis symptoms
Examination for the effects of air purifiers
Japan |
allergic rhinitis
Medicine in general | Clinical immunology | Oto-rhino-laryngology |
Adult |
Others
NO
To verify whether the use of air purifiers is useful for alleviating allergic symptoms in patients with allergic rhinitis.
Efficacy
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.
Interventional
Cross-over
Randomized
Individual
Double blind -all involved are blinded
Placebo
2
Treatment
Other |
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.
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.
18 | years-old | <= |
Not applicable |
Male and Female
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.
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.
20
1st name | Mami |
Middle name | |
Last name | Matsunaga |
Department of Otolaryngology, Head and Neck Surgery
Kyoto University
Department of Otolaryngology, Head and Neck Surgery
6068507
54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto
0757513346
m_matsunaga@ent.kuhp.kyoto-u.ac.jp
1st name | Mami |
Middle name | |
Last name | Matsunaga |
Kyoto university
Center for Allergy, Kyoto University Hospital
6068507
54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto
0757513346
m_matsunaga@ent.kuhp.kyoto-u.ac.jp
Kyoto university
Mami Matsunaga
Daikin corporation
Profit organization
Kyoto university
54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto
0757534680
ethcom@kuhp.kyoto-u.ac.jp
NO
2023 | Year | 12 | Month | 25 | Day |
Unpublished
Enrolling by invitation
2023 | Year | 12 | Month | 20 | Day |
2023 | Year | 12 | Month | 20 | Day |
2024 | Year | 01 | Month | 04 | Day |
2024 | Year | 12 | Month | 31 | Day |
2023 | Year | 12 | Month | 22 | Day |
2023 | Year | 12 | Month | 22 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000060687
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