# Longitudinal Follow up of Patients With Pleural Effusion

> **NCT04670562** · — · UNKNOWN · sponsor: **Seoul National University Bundang Hospital** · enrollment: 500 (estimated)

## Conditions studied

- Pleural Effusion, Malignant
- Prognosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04670562
- **Lead sponsor:** Seoul National University Bundang Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-03-01
- **Primary completion:** 2024-12-01
- **Final completion:** 2025-12-31
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2022-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04670562

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04670562, "Longitudinal Follow up of Patients With Pleural Effusion". Retrieved via AI Analytics 2026-05-23 from https://api.ai-analytics.org/clinical/NCT04670562. Licensed CC0.

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