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Chronic Obstructive Pulmonary DiseaseNCT04950023

Small Bioactive Molecules in Early COPD Diseases

An observational study of Chronic Obstructive Pulmonary Disease, run by Peking University Third Hospital at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

To study the predictors contribute to the progression of COPD by follow-up of patients with early COPD and analyze their changes in bioactive molecular, exhaled gas, CT image, lung function, patient's symptoms and life quality. Read more about this study

Who is it for?
Ages Up to 60 yearsHealthy volunteers can take part
Conditions the study is for
Chronic Obstructive Pulmonary Disease
How many people
550 participants
Where
1 siteChina
Study dates
11 May 2021to 11 May 2024
How long will I take part?
3 Years
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Up to 60 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult

Study population: Consecutive eligible patients from Peking University Third Hospital will be enrolled.

Who may be able to join

  • 1. <60 years old;
  • 2. Smoking ≥ 10 pack years.
  • 3. With any of the following anomalies: a. Post-bronchodilator FEV1/FVC< 0.7. b. CT image abnormalities: emphysema, air trapping or bronchial wall thickening; c.Rapid decrease of FEV1 (>60 ml/yr).

Who cannot join

  • 1. With other known chronic lung diseases, including bronchiectasis, interstitial pulmonary disease, tuberculosis, and pulmonary vascular disease (CTEPH).
  • 2. With severe pleural disease and/or lesions of the sternum or ribs.
  • 3. Suffering from serious uncontrolled other systemic diseases, including chest and abdominal surgery, heart attack (angina pectoris, myocardial infarction, malignant arrhythmia, etc.) and cerebrovascular disease (stroke) within 3 months, as well as kidney disease (AKI), cirrhosis, and any malignant tumor except lung cancer.
  • 4. Suffering from severe cognitive impairment.
  • 5. With active tuberculosis or are taking anti-tuberculosis treatment.
  • 6. Pregnancy or lactation.
  • 7. Previous lung surgery.
  • 8. Acute upper and lower respiratory system infection within 4 weeks.

Trial locations and contacts

1 site in 1 country.

China1 site, 1 recruiting
  • Peking University Third Hospital

    Beijing, 100080

    Yahong Chen, PHD, +8601082266699, chenyahong@vip.sina.com

    Recruiting

Other trials in China

About this study

Official title: Role of Small Bioactive Molecules in the Progression of Early COPD Diseases

To study the predictors contribute to the progression of COPD by follow-up of patients with early COPD and analyze their changes in bioactive molecular, exhaled gas, CT image, lung function, patient's symptoms and life quality.

Read the detailed description

A research found that nearly 40% of patients with chronic respiratory symptoms who showed significant airway inflammation (airway wall thickening and/or lung structure destruction (emphysema) on chest CT had advanced COPD within 5 years, although their current lung function failed to meet diagnostic criteria for COPD. Current spirometry-based diagnostic methods are not the best predictors of COPD progression and death. CT indicated emphysema and airway inflammation were recognized as better predictors of disease progression and mortality. Based on a large cohort study, some scholars proposed the concept of "early COPD", focusing on people under the age of 50, smoking for more than 10 pack years, having one of the manifestations of early airflow limitation, abnormal chest CT, and rapid decline of FEV1, to study the mechanism of disease progression and early intervention methods.[4] In this study, we enroll participants with early COPD symptoms, to detect the progression of COPD with 3 years of follow-up. The predictors of disease progression and variants of bioactive molecular were analyzed, so as to clarify the progressive mechanism of COPD.

Medical subject headings
Pulmonary Disease, Chronic Obstructive

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT04950023
Study groupRoleWhat they receive
early COPD1) <60 years old; 2) smoking ≥ 10 pack years. 3) with any of the following anomalies: a. Post-bronchodilator FEV1/FVC< 0.7. b. CT image abnormalities: emphysema, air trapping or bronchial wall thickening; c.Rapid decrease of FEV1 (>60 ml/yr).
Control1) <60 years old; 2) Pre-bronchodilator FEV1/FVC≥70% and FEV1 ≥ 80% predicted; 3) no exposure to harmful factors such as cigarettes and dust pollution.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. lung function

    Patients' lung function will be tested to identify air flow decrease in the early COPD group and the control group.

    Measured: Lung function will be tested at the 1st year, the 2nd year and the 3rd year.

Secondary outcomes (5)
  1. Blood samples

    Collect venous blood to detect cytokines and other molecular.

    Measured: The 1st year and the 3rd year of follow-up

  2. CT

    Both inspiration phase and expiration phase are required

    Measured: The 1st year and the 3rd year of follow-up

  3. Exhaled breath condensate

    Using commercially available exhaled breath condensate collection

    Measured: The 1st year and the 3rd year

  4. Exhaled hydrogen sulfide and nitric oxide

    Using breath analyzer to detect real-time release

    Measured: The 1st year and the 3rd year

  5. Pulmonary tissue

    Pulmonary tissue will be obtained from patients who are about to undergo resection, for example, COPD patients with lung cancer.

    Measured: The 1st year patients are enrolled

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Jul 2021
  2. Study start11 May 2021
  3. Primary completion11 May 2022 (estimated)
  4. Study completion11 May 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
550 participants (estimated)
Target duration
3 Years
IDs, dates and publications
ClinicalTrials.gov ID
NCT04950023
Sponsor's protocol ID
LM2021083
Status last verified
Jun 2021
First submitted
29 Jun 2021
Last updated
14 Jul 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Martinez FJ, Han MK, Allinson JP, Barr RG, Boucher RC, Calverley PMA, Celli BR, Christenson SA, Crystal RG, Fageras M, Freeman CM, Groenke L, Hoffman EA, Kesimer M, Kostikas K, Paine R 3rd, Rafii S, Rennard SI, Segal LN, Shaykhiev R, Stevenson C, Tal-Singer R, Vestbo J, Woodruff PG, Curtis JL, Wedzicha JA. At the Root: Defining and Halting Progression of Early Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med. 2018 Jun 15;197(12):1540-1551. doi: 10.1164/rccm.201710-2028PP. No abstract available.

    PubMed 29406779

Questions about this trial

What is this clinical trial studying?

An observational study of Chronic Obstructive Pulmonary Disease, run by Peking University Third Hospital at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 14 Jul 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Yahong Chen, PHD (+8601082266699, chenyahong@vip.sina.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

lung function (time frame: Lung function will be tested at the 1st year, the 2nd year and the 3rd year.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04950023, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Jul 2021.

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