Quantitative assessment of pulmonary blood flow in control subjects, subjects with chronic obstructive lung disease (COPD), or with pulmonary hypertension (PH) by 15O-H2O PET/CT

Quantitative assessment of pulmonary blood flow in control subjects, subjects with chronic obstructive lung disease (COPD), or with pulmonary hypertension (PH) by 15O-H2O PET/CT - Quantitative assessment of pulmonary blood flow by 15O-H2O PET/CT

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030821

Enrollment

Registered

2018-01-19

Start date

2018-01-24

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, PH

Interventions

15O-H2O PET/CT

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Control subjects:Subjects without any respiratory or cardiac or other disorders that might affect pulmonary blood volume COPD: Subjects with COPD who regularly visit Hokkaido university hospital.PH: Subjects who have the diagnosis of PH or are suspected of PH and regularly visit Hokkaido university hospital

Exclusion criteria

Exclusion criteria: 1.Subjects who had participated in other clinical trials within the past one month. 2.Subjects who will not follow the study protocol. 3.Subjects who are pregnant or who are during the lactating period and who are suspected of pregnancy. 4.Subjects who do not agree with contraception during the study. 5. Subjects who principal investigators or members of this research consider not to be suitable for this study.

Design outcomes

Primary

Measure	Time frame
Pulmonary blood flow corrected by lung volume	—

Secondary

Measure	Time frame
Heterogeniety of pulmonary blood flow Flow reserve of pulmonary blood flow Myocardial blood flow at rest and during exercise Lung attenuation volume pulmonary function test:FEV1,FEV1FVC,DLco,DLcoVA COPD assessment test scoreEchocardiography: LV/LA diameter/area/volume,EF,cardiac output, cardiac index,LV eccentricity index, tricuspid regurgitation velocity, tricuspid annulus movement distance, Tei index, IVC diameter cardio pulmonary exercise test peak VO2, AT, VE/VCO2, stress level at AT, HR, RER, VE, VD/VT cardiac MRI: LV/RV/LA/RA volume/index, cardiac output/index, stroke volume, ventricular wall thickness/volume/index, Pulmonary circulation time, existence and volume of late enhancementRight heart catheterization: pulmonary arterial pressure, pulmonary arterial wedge pressure, RV/RA pressure, CO,CI, PVR, venous oxygen saturation ,Qr/Qs Tc-MAA perfusion scintigraphy defect of perfusion in the lung, ventilation and perfusion mismatch, the ratio of the right lung perfusion to the left lung perfusion, shunt ratio	—

Measure

Time frame

Heterogeniety of pulmonary blood flow Flow reserve of pulmonary blood flow Myocardial blood flow at rest and during exercise Lung attenuation volume pulmonary function test:FEV1,FEV1FVC,DLco,DLcoVA COPD assessment test scoreEchocardiography: LV/LA diameter/area/volume,EF,cardiac output, cardiac index,LV eccentricity index, tricuspid regurgitation velocity, tricuspid annulus movement distance, Tei index, IVC diameter cardio pulmonary exercise test peak VO2, AT, VE/VCO2, stress level at AT, HR, RER, VE, VD/VT cardiac MRI: LV/RV/LA/RA volume/index, cardiac output/index, stroke volume, ventricular wall thickness/volume/index, Pulmonary circulation time, existence and volume of late enhancementRight heart catheterization: pulmonary arterial pressure, pulmonary arterial wedge pressure, RV/RA pressure, CO,CI, PVR, venous oxygen saturation ,Qr/Qs Tc-MAA perfusion scintigraphy defect of perfusion in the lung, ventilation and perfusion mismatch, the ratio of the right lung perfusion to the left lung perfusion, shunt ratio

—

Countries

Japan

Contacts

Public ContactKaoruko Shimizu

Hokkaido Univertisy Hospital First department of medicine

kaorukoshimizu@pop.med.hokudai.ac.jp011-706-5911

Outcome results

None listed

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