# Effect of Climatic Factors on the Seasonal Fluctuation of Pulmonary Embolism

> **NCT04419194** · — · COMPLETED · sponsor: **Peking Union Medical College Hospital** · enrollment: 10000 (estimated)

## Conditions studied

- Pulmonary Embolism

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04419194
- **Lead sponsor:** Peking Union Medical College Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-07-31
- **Primary completion:** 2019-07-31
- **Final completion:** 2019-07-31
- **Target enrollment:** 10000 (ESTIMATED)
- **Last updated:** 2020-06-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04419194

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04419194, "Effect of Climatic Factors on the Seasonal Fluctuation of Pulmonary Embolism". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04419194. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*