# The Efficacy and Safety of TBCB vs TBFB in Diagnosis of GGO

> **NCT04727190** · NA · UNKNOWN · sponsor: **Shanghai Chest Hospital** · enrollment: 184 (estimated)

## Conditions studied

- Lung Ground-Glass Opacity

## Interventions

- **PROCEDURE:** Transbronchial Cryobiopsy
- **PROCEDURE:** Transbronchial Forceps Biopsy

## Key facts

- **NCT ID:** NCT04727190
- **Lead sponsor:** Shanghai Chest Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-03-01
- **Primary completion:** 2021-09-30
- **Final completion:** 2021-12-30
- **Target enrollment:** 184 (ESTIMATED)
- **Last updated:** 2021-02-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04727190

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04727190, "The Efficacy and Safety of TBCB vs TBFB in Diagnosis of GGO". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04727190. Licensed CC0.

---

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