# The Diagnosis and Mechanism of Pleural Effusion

> **NCT03997669** · — · COMPLETED · sponsor: **Union Hospital, Tongji Medical College, Huazhong University of Science and Technology** · enrollment: 2000 (actual)

## Conditions studied

- Pleural Diseases

## Interventions

- **OTHER:** Collection of pleural effusion

## Key facts

- **NCT ID:** NCT03997669
- **Lead sponsor:** Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-07-01
- **Primary completion:** 2020-02-01
- **Final completion:** 2021-10-01
- **Target enrollment:** 2000 (ACTUAL)
- **Last updated:** 2021-11-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03997669

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03997669, "The Diagnosis and Mechanism of Pleural Effusion". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03997669. Licensed CC0.

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