# The Diagnostic Yield and Safety of Transbronchial Cryobiopsy in Diffuse Parenchymal Lung Diseases

> **NCT03704233** · — · UNKNOWN · sponsor: **Guangzhou Institute of Respiratory Disease** · enrollment: 350 (estimated)

## Conditions studied

- Diffuse Parenchymal Lung Diseases

## Interventions

- **PROCEDURE:** Transbronchial cryobiopsy

## Key facts

- **NCT ID:** NCT03704233
- **Lead sponsor:** Guangzhou Institute of Respiratory Disease
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-11-01
- **Primary completion:** 2020-10-20
- **Final completion:** 2021-10-20
- **Target enrollment:** 350 (ESTIMATED)
- **Last updated:** 2019-03-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03704233

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03704233, "The Diagnostic Yield and Safety of Transbronchial Cryobiopsy in Diffuse Parenchymal Lung Diseases". Retrieved via AI Analytics 2026-05-31 from https://api.ai-analytics.org/clinical/NCT03704233. Licensed CC0.

---

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