Clinical trial
Impulse Oscillation to Evaluate Diagnostic Efficacy in Patients With Chronic Airway Disease
NCT04668027
Study timeline
Study start (actual)2020-01-01Date precision: day
Registry last updated2021-08-09
Observed by CureCurrent2026-10-07
Recorded dates are source observations, not predictions. Missing milestones are not estimated.
Conditions
Chronic Airway Diseaseunresolved
Interventions
impulse oscillation（IOS）DIAGNOSTIC_TEST
bronchial provocation test(BPT)DIAGNOSTIC_TEST
bronchial dilation test(BDT)DIAGNOSTIC_TEST
Sponsors & collaborators
Zhujiang Hospitallead sponsor
Mapped research locations
Registry source
Open the source record to verify current eligibility, contacts, locations and registry updates.
Open NCT04668027 on ClinicalTrials.gov ↗Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.