# Effects of Particulate Matter on the Pulmonary Function and Acute Exacerbation of COPD and Asthma

> **NCT03193879** · — · COMPLETED · sponsor: **Peking Union Medical College Hospital** · enrollment: 505 (actual)

## Conditions studied

- Pulmonary Function

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03193879
- **Lead sponsor:** Peking Union Medical College Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2015-12
- **Primary completion:** 2021-09
- **Final completion:** 2021-09
- **Target enrollment:** 505 (ACTUAL)
- **Last updated:** 2021-09-21

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03193879

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03193879, "Effects of Particulate Matter on the Pulmonary Function and Acute Exacerbation of COPD and Asthma". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03193879. Licensed CC0.

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