Study for the relationship between lung volume and low attenuation area of the lung evaluated by 3D-CT and preoperative and predicted postoperative pulmonary functions.

Study for the relationship between lung volume and low attenuation area of the lung evaluated by 3D-CT and preoperative and predicted postoperative pulmonary functions. - Study for the relationship between lung volume and low attenuation area of the lung evaluated by 3D-CT and preoperative and predicted postoperative pulmonary functions.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018744

Enrollment

200

Registered

2015-08-20

Start date

2013-11-17

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

COPD, Lung cancer

Interventions

Pulmonaru function tests (VC and FVC maneuver) will be performed preoperative and 3, 6, and 12 months after lung surgery.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Lung cancer patients who performed lobectomy or pneumonectomy.

Exclusion criteria

Exclusion criteria: Lung cancer patients who performed lung partial resection.

Design outcomes

Primary

Measure	Time frame
Lung volume and LAA of the lung evaluated by 3D-CT, FEV1, FEV1/FVC, %FEV1, %DLco	—

Secondary

Measure	Time frame
mMRC, score of COPD assessment test	—

Countries

Japan

Contacts

Public ContactMasanori Yokoba

School of Allied Health Sciences, Kitasato University/ Kitasato University Hospital Medical Laboratory Sciences/ Pulmonary Medicine

myoko@kitasato-u.ac.jp042-778-8111

Outcome results

None listed

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