A prospective observational study on cryobiopsy employing an ultrathin cryoprobe, a therapeutic bronchoscope, and a rigid bronchoscope to assess endobronchial lesions

A prospective observational study on cryobiopsy employing an ultrathin cryoprobe, a therapeutic bronchoscope, and a rigid bronchoscope to assess endobronchial lesions - Cryobiopsy using an ultrathin cryoprobe, a therapeutic bronchoscope, and a rigid bronchoscope to assess endobronchial lesions

Status

Recruiting

Phases

Phase 3

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050607

Enrollment

Registered

2023-03-17

Start date

2023-03-23

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Endotracheal or endobronchial lesions

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients will undergo cryobiopsy using an ultrathin cryoprobe, a therapeutic bronchoscope, and a rigid bronchoscope for assessment of endotracheal or endobronchial lesions 2. 20 years old or more 3. Provision of written informed consent

Exclusion criteria

Exclusion criteria: 1. Any serious, concomitant medical condition 2. Prior enrolment in this trial 3. Patients in whom a therapeutic bronchoscope and a 1.1-mm ultrathin cryoprobe were not used 4. Pregnancy 5. An inability to temporarily interrupt anticoagulant/antiplatelet agents 6. A bleeding tendency

Design outcomes

Primary

Measure	Time frame
1. Specimen size	—

Secondary

Measure	Time frame
1. Safety (bleeding-related) 2. Histological diagnostic yield 3. Sampling success rate by the freezing time 4. Biomarker test success rate	—

Countries

Japan

Contacts

Public ContactMasahide Oki

National Hospital Organization Nagoya Medical Center Department of Respiratory Medicine

masahideo@gmail.com052-951-1111

Outcome results