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Study identifier: NCT07516184 Synced from ClinicalTrials.gov · August 07, 2026
● Study status: Recruiting

Explore the Diagnostic Value of Bronchodilation Test With Portable Oscillometry in Asthma Diagnosis

Condition: Suspected Asthma  ·  Sponsor: AstraZeneca

PhaseNA
Planned participants500
Who can joinAll sexes, 18 Years to 75 Years
Healthy volunteersNo

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

This is a multi-center study to explore the positive predictive value of bronchodilation test with portable oscillometry compared to either BDT or BPT with spirometry in asthma diagnosis and to compare it with bronchodilation with spirometry (the current gold standard). In the study, the target patients' profile is the suspected asthma patient with asthmatic symptoms (wheezing, shortness of breath, chest tightness, and/or cough) and aim to enroll 500 participants from 25 sites across different regions in China.

This description comes directly from the study's public registry record.

Talk to the study team

AstraZeneca Clinical Study Information Center  ·  1-877-240-9479  ·  information.center@astrazeneca.com

Always discuss trial participation with your own doctor first.

Locations (24)

Research SiteBeijing, ChinaRecruiting
Research SiteCangzhou, ChinaNot Yet Recruiting
Research SiteChangsha, ChinaNot Yet Recruiting
Research SiteChangsha, ChinaNot Yet Recruiting
Research SiteChengdu, ChinaNot Yet Recruiting
Research SiteChongqing, ChinaNot Yet Recruiting
Research SiteGuangzhou, ChinaNot Yet Recruiting
Research SiteGuangzhou, ChinaNot Yet Recruiting
Research SiteGuangzhou, ChinaNot Yet Recruiting
Research SiteKunming, ChinaNot Yet Recruiting
Research SiteQuanzhou, ChinaNot Yet Recruiting
Research SiteShanghai, ChinaNot Yet Recruiting

+ 12 more locations — full list on the registry record.

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