Transbronchial Decompression of Emphysematous bullae

Transbronchial Decompression of Emphysematous bullae - Decompression of Emphysematous bullae

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000003904

Enrollment

Registered

2010-07-13

Start date

2010-07-01

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

emphysematous bullae, emphysema

Interventions

Transbronchial needle aspiration of emphysematous bullae

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Literate patients able to understand and sign the Informed Consent Form. 2.FEV1 < 50% of predicted value 3.MRC grade > 1 4.Emphysematous bullae accessible by needle aspiration. 5. Patient that are considered unfit for lung volume reduction surgery or bullectomy by a thoracic surgeon.

Exclusion criteria

Exclusion criteria: 1.Unstable cardiac disease 2.Hypoxia during bronchoscopy under oxygen supplement 3.Patients designated as inappropriate for this study by the investigator.

Design outcomes

Primary

Measure	Time frame
Pulmonary Function Tests	—

Secondary

Measure	Time frame
MRC dyspnea grade, QOL, CT findings, cardiac function, exercise performance, adverse events.	—

Countries

Japan

Contacts

Public ContactMasamichi Mineshita

St.Marianna University School of Medicine Division of respiratory and infectiousdiseases

m-mine@marianna-u.ac.jp044-977-8111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026