UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000042772
Receipt number R000048819
Scientific Title Impact of refractory and unexplained chronic cough on disease burden: qualitative study
Date of disclosure of the study information 2020/12/17
Last modified on 2024/02/21 16:41:29

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Basic information

Public title

Impact of refractory and unexplained chronic cough on disease burden: qualitative study

Acronym

Impact of refractory and unexplained chronic cough on disease burden: qualitative study

Scientific Title

Impact of refractory and unexplained chronic cough on disease burden: qualitative study

Scientific Title:Acronym

Impact of refractory and unexplained chronic cough on disease burden: qualitative study

Region

Japan


Condition

Condition

Refractory and unexplained chronic cough

Classification by specialty

Pneumology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To describe the knowledge, awareness, experiences and burden of refractory and unexplained chronic cough patients in Japan from qualitative data.

Basic objectives2

Others

Basic objectives -Others

To qualitatively describe subtypes of burdens such as social, physical and psychological burdens on refractory and unexplained chronic cough patients within the Japanese patient population

Trial characteristics_1

Others

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

NA

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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Patients who have daily cough lasting more than 8 weeks.
2) Patients who have visited a doctor for chronic cough.
3)Patients who have received clinical evaluations for their chronic cough on the underlying diseases stated in Japanese guidelines such as asthma/cough variant asthma, atopic cough/laryngeal allergy, gastroesophageal reflux disease (GERD), postinfectious cough, and sinobronchial syndrome (SBS).
4) Patients who are refractory to the treatment for possible underlying diseases and continue to cough or who have chronic cough of unexplained origin even after the investigation.
5) Patients who provide written informed consent and are willing to participate in either of a 120-min focus group or a 60-min individual interview about experiences about chronic cough.
6) Patients who are 20 years and older.

Key exclusion criteria

1)Patients who is immunocompromised.
2) Patients who has been diagnosed with chronic cough resulting from invasive respiratory tract instrumentation (e.g., ventilator dependent, endotracheal intubation, tracheostomy) or due to smoking.
3) Patients who has a comorbid respiratory condition or other illness that could exacerbate symptoms of chronic cough or that, in the opinion of the investigator, would confound interview results.
4) Patients who has a recent history of substance abuse (within the past 1 year)
5) Patients who has a diagnosis of a psychiatric disorder (e.g., schizophrenia, bipolar affective disorder) that, in the opinion of the investigator, would confound interview results.
6) Patients who has been exposed to an individual experiencing symptoms related to COVID-19 (e.g., fever, cough, shortness of breath) or has tested positive for the coronavirus.*
7) Patients who has participated in a study with any investigational medicinal product in the previous 30 days.
8) Those who have difficulties in communication via online interview tools.
9) Those who have fever (to avoid patients with acute infection)

Target sample size

44


Research contact person

Name of lead principal investigator

1st name Takekazu
Middle name
Last name Kubo

Organization

MSD K.K

Division name

Medical Affairs

Zip code

102-8667

Address

KITANOMARU SQUARE, 1-13-12, Kudan-kita, Chiyoda-ku, Tokyo

TEL

03-6272-2338

Email

ldgproject@merck.com


Public contact

Name of contact person

1st name Takeshi
Middle name
Last name Akiyama

Organization

IQVIA Solutions Japan K.K.

Division name

Real World Evidence Solutions & HEOR

Zip code

108-0074

Address

Keikyu Dai-7 Building 4-10-8 Takanawa, Minato-ku, Tokyo

TEL

070-1640-7263

Homepage URL


Email

takeshi.akiyama@iqvia.com


Sponsor or person

Institute

MSD K.K.

Institute

Department

Personal name



Funding Source

Organization

MSD K.K.

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

Medical Corporation TOUKEIKAI Kitamachi Clinic ERB

Address

1-1-3 Kitamachi, Musashino-city, Tokyo

Tel

03-6779-8166

Email

chi-pr-ec-kitamachi@cmicgroup.com


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

2020 Year 12 Month 17 Day


Related information

URL releasing protocol

NA

Publication of results

Published


Result

URL related to results and publications

https://rdcu.be/cWJWm

Number of participants that the trial has enrolled

21

Results

In the interviews of the participants with refractory and unexplained chronic cough, the most frequently used word was cough and asthma as an etiology,the words associated with change in states influence,changing,change and expressions tough,pain,hard,terrible,unpleasant were also frequently observed.Also they experienced mental/social burden,physical burden,impact on sleep and meals,impact on work and housework,impact on communication,impact on hobbies and leisure and economic burden.

Results date posted

2022 Year 10 Month 25 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results

2022 Year 10 Month 01 Day

Baseline Characteristics

A total of 21 participants (95.2% with refractory chronic cough, mean age 53.5 years, and 76.2% being males) with Leicester Cough Questionnaire mean +- standard deviation scores of physical 4.8 +- 1.1, psychological 4.4 +- 1.3, social 4.9 +- 1.4, and total 14.1 +- 3.5 were included.

Participant flow

21 participants with self-reported refractory and unexplained chronic cough were included. A 60-min online interview was conducted with each patient using a semi-structured interview guide.

Adverse events

NA

Outcome measures

To describe the knowledge, awareness, experiences and burden of refractory and unexplained chronic cough patients in Japan from qualitative data.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2020 Year 11 Month 18 Day

Date of IRB

2020 Year 12 Month 16 Day

Anticipated trial start date

2020 Year 12 Month 18 Day

Last follow-up date

2021 Year 03 Month 18 Day

Date of closure to data entry

2021 Year 03 Month 18 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information

NA


Management information

Registered date

2020 Year 12 Month 16 Day

Last modified on

2024 Year 02 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048819


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name