A Study to Evaluate the Consistency of Oscillometry and Spirometry Test Results in Patients With Confirmed or Suspected Asthma or COPD
NCT ID: NCT06172777
Last Updated: 2025-07-24
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
801 participants
OBSERVATIONAL
2024-02-08
2024-08-30
Brief Summary
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Detailed Description
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To evaluate the consistency of oscillometry and spirometry test results in patients with confirmed or suspected asthma or COPD.
Conditions
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Study Design
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CASE_ONLY
PROSPECTIVE
Study Groups
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suspected asthma
enrollment 200 subjects
suspected asthma
enrollment 200 asthma patients
Suspected COPD
enrollment 200 subjects
suspected COPD
enrollment 200 COPD patients
confirmed asthma
enrollment 200 subjects
confirmed asthma
enrollment 200 patients
confirmed COPD
enrollment 200 subjects.
confirmed COPD
enrollment 200 patients
Interventions
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suspected asthma
enrollment 200 asthma patients
suspected COPD
enrollment 200 COPD patients
confirmed asthma
enrollment 200 patients
confirmed COPD
enrollment 200 patients
Eligibility Criteria
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Inclusion Criteria
Suspected and confirmed asthma
1. Participant must be≥18 years old.
2. Present symptom such as wheezing, cough, chest tightness, shortness of breath, but not confirmed-asthma (without evidence of variable airflow restriction) or confirmed-asthma with evidence of variable airflow restriction (such as positive bronchodilation test, positive bronchial challenge test, variability \>10% in twice daily PEF over 2 weeks, et al) Suspected and confirmed COPD
1 Participant must be ≥40 years old. 2 Present symptom such as chronic cough, sputum production, dyspnoea, but not confirmed-COPD (without evidence of persistent airflow restriction) or confirmed- COPD with evidence of persistent airflow restriction (post-bronchodilator FEV1/FVC\<0.7)
Exclusion Criteria
1. Any diseases that influence lung function result such as lung cancer, pneumonia, active pulmonary tuberculosis, pulmonary embolism and interstitial lung disease, etc; history of recent surgery that affect lung function results, including thoracotomy surgery, pneumothorax surgery, thoracic drainage, etc
2. Contraindication to spirometry or oscillometry test, or allergic to bronchodilator.
3. Currently pregnant or breast-feeding women
4. Judge by the investigator if the participant is unlikely to comply with study procedures, restrictions, and requirements, will not be enrolled .
18 Years
ALL
No
Sponsors
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AstraZeneca
INDUSTRY
Responsible Party
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Locations
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Research Site
Yulin, , China
Research Site
Yunnan, , China
Research Site
Zhaotong, , China
Research Site
Zhengzhou, , China
Research Site
Zhuji, , China
Research Site
Zigong, , China
Research Site
Beijing, , China
Research Site
Changsha, , China
Research Site
Chengdu, , China
Research Site
Chongqing, , China
Research Site
Dalian, , China
Research Site
Fengcheng, , China
Research Site
Fuyang, , China
Research Site
Fuzhou, , China
Research Site
Guangzhou, , China
Research Site
Guiyang, , China
Research Site
Haikou, , China
Research Site
Hanchuan, , China
Research Site
Hangzhou, , China
Research Site
Haozhou, , China
Research Site
Henan, , China
Research Site
Hong Kong, , China
Research Site
Jinan, , China
Research Site
Jingzhou, , China
Research Site
Kunming, , China
Research Site
Mianyang, , China
Research Site
Nanchang, , China
Research Site
Nantong, , China
Research Site
Ningbo, , China
Research Site
Ordos, , China
Research Site
Panzhou, , China
Research Site
Qionghai, , China
Research Site
Shanghai, , China
Research Site
Shenyang, , China
Research Site
Shenzhen, , China
Research Site
Suining, , China
Research Site
Suzhou, , China
Research Site
Taiyuan, , China
Research Site
Taizhou, , China
Research Site
Tianjin, , China
Research Site
Xinyang, , China
Countries
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Related Links
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Other Identifiers
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D589BR00078
Identifier Type: -
Identifier Source: org_study_id
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