Efficacy and safety of cryoprobes with different diameter in transbronchial lung cryobiopsy- a randomized trial

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000029403

Enrollment

Unknown

Registered

2020-01-29

Start date

2018-07-12

Completion date

Unknown

Last updated

2020-02-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

interstitial lung disease

Interventions

Group of 1.9mm cryoprobe:Lung biopsy using 1.9mm cryoprobe

Group of 2.4mm cryoprobe: Lung biopsy using 2.4mm cryoprobe

Eligibility

Sex/Gender

All

Age

16 Years to 73 Years

Inclusion criteria

Inclusion criteria: Radiologically, bilateral disseminated nodular,patchy,linear or gridded, honeycombing and ground-glass opacties are presented; unable to reach diagnosis through laboratory tests, radiological or bronchoscopic examinations

Exclusion criteria

Exclusion criteria: Presence of contraindication to bronchoscopy. Typical UIP was presented on the chest CT, diagnosed with IPF clinically.

Design outcomes

Primary

Measure	Time frame
specimen size;	—

Secondary

Measure	Time frame
specimen quality;Level of diagnostic confidence;incidence of bleeding;incidence of pneumothorax;	—

Countries

China

Contacts

Public ContactShuliang Guo

Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Chongqing Medical University

guosl999@sina.com+86 13101363078

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026