UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000037960
Receipt number R000042751
Scientific Title An etiological study on Japanese cedar and cypress pollen dispersion and antigen sensitization in Hiroshima
Date of disclosure of the study information 2019/09/09
Last modified on 2020/09/07 13:03:05

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Basic information

Public title

An etiological study on Japanese cedar and cypress pollen dispersion and antigen sensitization in Hiroshima

Acronym

Japanese cedar and cypress pollen dispersion and antigen sensitization

Scientific Title

An etiological study on Japanese cedar and cypress pollen dispersion and antigen sensitization in Hiroshima

Scientific Title:Acronym

Japanese cedar and cypress pollen dispersion and antigen sensitization

Region

Japan


Condition

Condition

Cedar and cypress pollinosis

Classification by specialty

Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To analyze the relationship between dispersion rates of cedar and cypress pollens in Hiroshima and the antigen sensitization rate of the patients based on clinical records

Basic objectives2

Others

Basic objectives -Others

To examine trends of prevalence of patients with allergic disease for over the last 20 years

Trial characteristics_1

Others

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Annual changes of the positive rate of antigen specific IgE levels against cedar and cypress

Key secondary outcomes



Base

Study type

Others,meta-analysis etc


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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who had allergen blood tests

Key exclusion criteria

None

Target sample size

1000


Research contact person

Name of lead principal investigator

1st name Sachio
Middle name
Last name Takeno

Organization

Graduate School of Biomedical and Health Sciences, Hiroshima University

Division name

Department of Otorhinolaryngology, Head and Neck Surgery

Zip code

7348551

Address

Kasumi 1-2-3, Minami-ku

TEL

0822575252

Email

takeno@hiroshima-u.ac.jp


Public contact

Name of contact person

1st name Yuichiro
Middle name
Last name Horibe

Organization

Graduate School of Biomedical and Health Sciences, Hiroshima University

Division name

Department of Otorhinolaryngology, Head and Neck Surgery

Zip code

7348551

Address

Kasumi 1-2-3, Minami-ku

TEL

0822575252

Homepage URL


Email

jibi@hiroshima-u.ac.jp


Sponsor or person

Institute

Hiroshima University

Institute

Department

Personal name



Funding Source

Organization

Hiroshima University

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Center for Integrated Medical Research

Address

Kasumi 1-2-3, Minami-ku

Tel

082-257-1576

Email

iryo-seisaku@office.hiroshima-u.ac.jp


Secondary IDs

Secondary IDs

YES

Study ID_1

EkiJu-3124

Org. issuing International ID_1

EkiJu-3124

Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2019 Year 09 Month 09 Day


Related information

URL releasing protocol

https://www.hiroshima-u.ac.jp/system/files/125617/E-1738.pdf

Publication of results

Partially published


Result

URL related to results and publications


Number of participants that the trial has enrolled

1000

Results

An increase in both the amounts and dispersion periods of Japanese cypress pollen as compared to that of cedar pollen tended to be observed in Hiroshima prefecture. The proportion of patients with positive ImmunoCAP scores increased for both cedar and cypress.

Results date posted

2020 Year 09 Month 07 Day

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

Main results already published

Date of protocol fixation

2019 Year 07 Month 26 Day

Date of IRB

2019 Year 09 Month 04 Day

Anticipated trial start date

2019 Year 08 Month 31 Day

Last follow-up date

2019 Year 12 Month 31 Day

Date of closure to data entry

2019 Year 12 Month 31 Day

Date trial data considered complete

2019 Year 12 Month 31 Day

Date analysis concluded

2020 Year 03 Month 31 Day


Other

Other related information

Dispersion counts of cedar and cypress pollens in Hiroshima Prefecture


Management information

Registered date

2019 Year 09 Month 07 Day

Last modified on

2020 Year 09 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000042751


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name