UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056618
Receipt number R000064708
Scientific Title Cough Provocation by the mechanical stimulation of external ear cannals in asthmatic patients
Date of disclosure of the study information 2025/01/15
Last modified on 2025/01/03 12:05:51

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Basic information

Public title

Cough Provocation by the mechanical stimulation of external ear cannals in asthmatic patients

Acronym

external ear cannal stimulation and cough provocation

Scientific Title

Cough Provocation by the mechanical stimulation of external ear cannals in asthmatic patients

Scientific Title:Acronym

external ear cannal stimulation and cough provocation

Region

Japan


Condition

Condition

Asthma

Classification by specialty

Pneumology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the rate of cough provocation by mechanical stimulation of ear cannal (Arnold nerve cough reflex:ANCR).

Basic objectives2

Others

Basic objectives -Others

To evaluate the rate of cough accompanied by the itchy sensation of the ears and its relationship with ANCR.

Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

The rate of ANCR in asthma patients.
The rate of cough accompanied by itchy sensation of the ear cannals and its relationship with ANCR.

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

15 years-old <=

Age-upper limit

100 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients with braonchial asthma and cough variant asthma who were treated in NHO Disaster Medical Center

Key exclusion criteria

The patients whom the appropriate medical history connot be evaluated.

Target sample size

120


Research contact person

Name of lead principal investigator

1st name Mitsuhiro
Middle name
Last name Kamimura

Organization

National Hospital Organization Disaster Medical Center

Division name

Deaprtment of Pulmonology

Zip code

1900014

Address

Midoricho 3256, Tachikawa, Tokyo, Japan

TEL

0425265511

Email

tdmckamimura@yahoo.co.jp


Public contact

Name of contact person

1st name Mitsuhiro
Middle name
Last name Kamimura

Organization

National Hospital Organization Disaster Medical Center

Division name

Department of Pulmonology

Zip code

1900014

Address

Midoricho 3256, Tachikawa, Tokyo, Japan

TEL

0425265511

Homepage URL


Email

tdmckamimura@yahoo.co.jp


Sponsor or person

Institute

National Hospital Organization Disaster Medical Center

Institute

Department

Personal name



Funding Source

Organization

National Hospital Organization Disaster Medical Center

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

National Hospital Organization Disaster Medical Center

Address

Midoricho 3256, Tachikawa, Tokyo, Japan

Tel

0425265511

Email

tdmckamimura@yahoo.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

2025 Year 01 Month 15 Day


Related information

URL releasing protocol


Publication of results

Partially published


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

Open public recruiting

Date of protocol fixation

2023 Year 08 Month 01 Day

Date of IRB

2023 Year 09 Month 01 Day

Anticipated trial start date

2023 Year 09 Month 01 Day

Last follow-up date

2025 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

The rate of positive ANCR was 29.5%.
The rate of urge to cough, cough, asthma exacerbation accompanied by itchy sensation of ear cannal was 17.2% and significantly higher in ANCR positive group.


Management information

Registered date

2025 Year 01 Month 03 Day

Last modified on

2025 Year 01 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064708