| Unique ID issued by UMIN | UMIN000055706 |
|---|---|
| Receipt number | R000063399 |
| Scientific Title | Prospective study for the association between productive cough and mucus plugs in the pathogenesis of chronic obstructive pulmonary disease (COPD) |
| Date of disclosure of the study information | 2024/11/01 |
| Last modified on | 2024/11/13 12:23:36 |
Prospective study for the association between productive cough and mucus plugs in the pathogenesis of chronic obstructive pulmonary disease (COPD)
Prospective study for the association between productive cough and mucus plugs in the pathogenesis of chronic obstructive pulmonary disease (COPD)
Prospective study for the association between productive cough and mucus plugs in the pathogenesis of chronic obstructive pulmonary disease (COPD)
Prospective study for the association between productive cough and mucus plugs in the pathogenesis of chronic obstructive pulmonary disease (COPD)
| Japan |
chronic obstructive pulmonary disease (COPD)
| Pneumology | Radiology |
Others
NO
Focusing on the cough/sputum symptoms of COPD patients and mucus plugs on images, COPD patients will be divided into a group with wet cough, a group with dry cough, and a group with no cough, and the occurrence of exacerbations or deaths will be prospectively observed.
Others
To investigate the relationship between cough/sputum symptoms and mucus plugs on imaging in COPD patients.
To compare the frequency of COPD exacerbations and deaths among patients with wet cough, those with dry cough, and those without cough.
We will compare chest CT mucus plug scores, emphysema scores, degree of airway wall thickness, frequency of sinusitis, frequency of heart disease, BNP values, peripheral blood eosinophil/neutrophil counts, non-specific IgE, presence or absence of allergen sensitization, serum biomarkers (IL-8, IL-33, etc.), exhaled NO value, and pulmonary function in patients with wet cough, dry cough, and no cough. We will also analyze changes in these clinical indicators and the incidence of COPD exacerbations, hospitalization rates, and mortality rates during the observation period.
In cases who were able to expectorate sputum (mainly the group with wet cough), we will analyze the types of bacterial flora in sputum cultures and the incidence of COPD exacerbations, hospitalization rates, and mortality rates.
In addition, only in cases where testing was possible, we will analyze the relationship between capsaicin cough sensitivity, cell fractions in induced sputum, biomarkers in sputum supernatant (IL-8, IL-33, etc.) and the incidence of COPD exacerbations during the observation period, hospitalization rate, mortality rate, mucus plug score on chest CT, emphysema score, airway wall thickness, presence or absence of allergen sensitization, serum biomarkers (IL-8, IL-33, etc.), exhaled NO value, lung function, etc.
Observational
| 20 | years-old | <= |
| Not applicable |
Male and Female
1. Patients who are visiting the research institution
2. Patients who have been definitively diagnosed with COPD and are currently undergoing treatment
3. Patients who are 20 years of age or older on the day of enrollment
4. Patients who have given written consent to participate in this study
1. Patients with other obvious respiratory diseases such as lung cancer or interstitial lung disease
2. Pregnant or breastfeeding patients
3. Other patients who the principal investigator/researcher deems inappropriate as study subjects
250
| 1st name | Kensuke |
| Middle name | |
| Last name | Fukumitsu |
Nagoya City University Graduate School of Medical Sciences
Department of Respiratory Medicine, Allergy and Clinical Immunology
467-8601
1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi, Japan
052-853-8216
k-fkmt@med.nagoya-cu.ac.jp
| 1st name | Kensuke |
| Middle name | |
| Last name | Fukumitsu |
Nagoya City University Graduate School of Medical Sciences
Department of Respiratory Medicine, Allergy and Clinical Immunology
467-8601
1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi, Japan
052-853-8216
k-fkmt@med.nagoya-cu.ac.jp
Nagoya City University Hospital Allergy and Clinical Immunology
Ministry of Education, Culture, Sports, Science and Technology
Japanese Governmental office
Gamagori City Hospital, Sakura General Hospital
Clinival Research Management Center, Nagoya City University Hospital
1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, Aichi, Japan
052-858-7215
irb_jimu@med.nagoya-cu.ac.jp
NO
| 2024 | Year | 11 | Month | 01 | Day |
Unpublished
Enrolling by invitation
| 2024 | Year | 09 | Month | 11 | Day |
| 2024 | Year | 09 | Month | 30 | Day |
| 2024 | Year | 11 | Month | 13 | Day |
| 2029 | Year | 03 | Month | 30 | Day |
At the time of entry, and one, two, and three years later, a medical questionnaire is filled out, and chest CT scans, physiological tests, blood tests, etc. are also conducted. Capsaicin cough sensitivity tests are conducted at Nagoya City University Hospital, but not at Gamagori City Hospital and Sakura General Hospital. Induced sputum tests are conducted at Nagoya City University Hospital and Gamagori City Hospital, but not at Sakura General Hospital.
| 2024 | Year | 10 | Month | 02 | Day |
| 2024 | Year | 11 | Month | 13 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063399