Salvational Intervention for Reducing AECOPD Under Severe Air Pollution

NCT03083067 · clinicaltrials.gov ↗

NA

Phase

COMPLETED

Status

402

Enrollment

OTHER

Sponsor class

Conditions

COPD Exacerbation
Air Pollution

Interventions

DRUG: Budesonide/formoterol
DRUG: tiotropium bromide

Sponsor

Peking University First Hospital

Collaborators

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