UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057281
Receipt number R000065478
Scientific Title Elucidation of the association of intestinal bacteria and metabolites with exacerbations of chronic obstructive pulmonary disease or pneumonia associated with COPD.
Date of disclosure of the study information 2025/03/13
Last modified on 2026/04/13 09:38:59

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Basic information

Public title

Elucidation of the association of intestinal bacteria and metabolites with exacerbations of chronic obstructive pulmonary disease or pneumonia associated with COPD.

Acronym

KCER

Scientific Title

Elucidation of the association of intestinal bacteria and metabolites with exacerbations of chronic obstructive pulmonary disease or pneumonia associated with COPD.

Scientific Title:Acronym

KCER

Region

Japan


Condition

Condition

COPD exacerbation or pneumonia in COPD patients

Classification by specialty

Pneumology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The goal of this study was to elucidate the relationship between COPD exacerbations and intestinal bacteria and metabolites produced by intestinal bacteria by asking patients with COPD exacerbations to complete questionnaires, blood samples, stool samples, and other measurements.

Basic objectives2

Others

Basic objectives -Others

In this study, the pathophysiology will be elucidated by observation.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The primary endpoints of this study will be a comprehensive analysis of the bacterial flora in stools and evaluation of blood and stool metabolites.

Key secondary outcomes

Secondary endpoints of this study will include assessment of systemic inflammation and in vivo characterization of the intestinal microbiota in the stool.


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

(i) COPD patients who meet the clinical diagnosis of COPD exacerbation or pneumonia.
(ii) Patients who are 20 years of age or older.
(iii) Those who have given written consent to participate in this study.

Key exclusion criteria

(i) Persons with a history of intestinal tract surgery.
(ii) Persons who are deemed inappropriate to conduct this study by the Principal Investigator or Research Supervisor.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Koichi
Middle name
Last name Fukunaga

Organization

Keio University Hospital

Division name

Division of Pulmonary Medicine

Zip code

1608582

Address

35, Shinanomachi, Shinjyuku-ku, Tokyo, JAPAN

TEL

03-5363-3793

Email

bachibachi472000@keio.jp


Public contact

Name of contact person

1st name Shotaro
Middle name
Last name Chubachi

Organization

Keio University Hospital

Division name

Division of Pulmonary Medicine

Zip code

1608582

Address

35, Shinanomachi, Shinjyuku-ku, Tokyo, JAPAN

TEL

03-5363-3793

Homepage URL


Email

bachibachi472000@keio.jp


Sponsor or person

Institute

Keio University

Institute

Department

Personal name



Funding Source

Organization

Self funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor

Saitama Medical Canter/ Tokyo Saiseikai Central Hospital/ Tokyo University of Agriculture and Technology

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University

Address

35, Shinanomachi, Shinjyuku-ku, Tokyo, JAPAN

Tel

03-5363-3793

Email

bachibachi472000@keio.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 03 Month 13 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

Enrolling by invitation

Date of protocol fixation

2025 Year 02 Month 03 Day

Date of IRB

2025 Year 02 Month 03 Day

Anticipated trial start date

2025 Year 02 Month 03 Day

Last follow-up date

2030 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Subjects will be patients diagnosed with COPD exacerbation or pneumonia who visit the outpatient department of respiratory medicine at Keio University Hospital and the collaborating institutions. At the time of consent, one week after completion of treatment, and two to three months later at follow-up visits, patients will undergo a lifestyle survey, blood samples, stool samples, and weight measurements, respectively. In addition, information on medical information, age, gender, and height within the daily medical treatment will be obtained from the medical record.


Management information

Registered date

2025 Year 03 Month 13 Day

Last modified on

2026 Year 04 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065478