UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000058481 |
|---|---|
| Receipt number | R000066863 |
| Scientific Title | Exploring the effect of Japanese cedar pollen allergy on labor productivity |
| Date of disclosure of the study information | 2025/07/15 |
| Last modified on | 2025/07/15 19:56:53 |
* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments
Basic information
Public title
Exploring the effect of Japanese cedar pollen allergy on labor productivity
Acronym
Exploring the effect of Japanese cedar pollen allergy on labor productivity
Scientific Title
Exploring the effect of Japanese cedar pollen allergy on labor productivity
Scientific Title:Acronym
Exploring the effect of Japanese cedar pollen allergy on labor productivity
Region
| Japan |
Condition
Condition
Japanese cedar pollinosis
Classification by specialty
| Oto-rhino-laryngology |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
This study aims to quantify the impact of Japnese cedar pollinosis (JCP) on work productivity among corporate workers with JCP through a questionnaire survey and convert it into economic loss.
Basic objectives2
Others
Basic objectives -Others
Comparison of symptoms and QOL using questionnaires
Trial characteristics_1
Exploratory
Trial characteristics_2
Others
Developmental phase
Not applicable
Assessment
Primary outcomes
Comparison of work productivity between workers with and without cedar pollen allergy using questionnaires
Key secondary outcomes
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
| 80 | years-old | > |
Gender
Male and Female
Key inclusion criteria
1) Individuals aged 18 to 80 at the time of obtaining consent
2) Workers in Japan
3) Individuals with Japanese cedar pollinosis
4) Individuals who have read and fully understood the explanation of this study and have given their own voluntary and appropriate consent to participate in the study
Key exclusion criteria
1) Those for whom appropriate consent cannot be obtained
2) Those who the principal investigator deems inappropriate
Target sample size
1000
Research contact person
Name of lead principal investigator
| 1st name | Syuji |
| Middle name | |
| Last name | Yonekura |
Organization
Chiba University
Division name
Department of Otolarungology Head and Neck Surgery, Graduate School of Medicine
Zip code
260-0856
Address
1-8-1 Inohana, Chuo-ku, Chiba-shi
TEL
0432262137
syonekura@faculty.chiba-u.jp
Public contact
Name of contact person
| 1st name | Syuji |
| Middle name | |
| Last name | Yonekura |
Organization
Chiba University
Division name
Department of Otolarungology Head and Neck Surgery, Graduate School of Medicine
Zip code
260-0856
Address
1-8-1, Inohana, Chuo-ku, Chiba-shi
TEL
0432262137
Homepage URL
syonekura@faculty.chiba-u.jp
Sponsor or person
Institute
Chiba University
Institute
Department
Personal name
Funding Source
Organization
Ministry of Health, Labour and Welfare
Organization
Division
Category of Funding Organization
Japanese Governmental office
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Department of Otolarungology Head and Neck Surgery, Graduate School of Medicine, Chiba University
Address
1-8-1, Inohana, Chuo-ku, Chiba-shi
Tel
0432262137
syonekura@faculty.chiba-u.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
| 2025 | 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
Suspended
Date of protocol fixation
| 2024 | Year | 06 | Month | 03 | Day |
Date of IRB
| 2024 | Year | 06 | Month | 11 | Day |
Anticipated trial start date
| 2025 | Year | 03 | Month | 01 | Day |
Last follow-up date
| 2027 | Year | 03 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
This study aims to quantify the impact on work productivity of corporate workers with Japanese cedar pollinosis during the cedar pollen season through questionnaires survey and convert it into economic loss.
Management information
Registered date
| 2025 | Year | 07 | Month | 15 | Day |
Last modified on
| 2025 | Year | 07 | Month | 15 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066863
