Clinical trial

A Multi-center Study to Determine the Prevalence and Influence of Pertussis on COPD Exacerbation in Shenzhen

NCT04694430

StatusUNKNOWN

Study typeOBSERVATIONAL

Start date2021-01-01

PhaseN/A

Study timeline

Study start (estimated)2021-01-01Date precision: day

Registry last updated2021-01-05

Observed by CureCurrent2026-10-07

Recorded dates are source observations, not predictions. Missing milestones are not estimated.

Conditions

COPD Exacerbationunresolved

Pertussisunresolved

Interventions

Blood samplePROCEDURE

Data collectionOTHER

Throat swabPROCEDURE

Sponsors & collaborators

Shenzhen People's Hospitallead sponsor

Registry source

Open the source record to verify current eligibility, contacts, locations and registry updates.

Open NCT04694430 on ClinicalTrials.gov ↗

Registry-derived research relationships: ClinicalTrials.gov. Raw condition and intervention labels remain distinct from canonical MONDO/RxNorm entities unless separately normalized.