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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Lung Perfusion Clear all
Completed No phase listed Observational

Correlation OF Hemodynamics in Pulmonary Hypertension With Perfusion Lung Scans

NCT00621075
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Pulmonary Arterial Hypertension - Lung Perfusion Scans
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2010 · Synced Sep 22, 2026, 10:05 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

This Study Consists of Two Study Parts Conducted Under a Single IRB. Part I: Short Term ApoE-dependent Cerebral Blood Flow Response to Sirolimus in Cognitively Normal Adults Part II: Short Term ApoE-dependent Cerebral Blood Flow and Lung Perfusion Response to Sirolimus in Cognitively Normal Adults

NCT05386914
View directory record Official record
Conditions
Genetic Predisposition to Disease, Healthy Volunteers
Interventions
Sirolimus
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
45 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 22, 2026, 10:05 PM EDT
Not listed No phase listed Observational

Vibration Response Imaging (VRI) in Patients Who Are Potential Candidates for Surgical Resection

NCT00966511
View directory record Official record
Conditions
Lung Cancer
Interventions
Lung resection surgery
Procedure
Lead sponsor
Deep Breeze
Industry
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
6
States / cities
New Haven, Connecticut • Atlanta, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2011 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

Imaging Study of the Lungs During an Allergic Asthma Attack

NCT01547286
View directory record Official record
Conditions
Asthma, Atopy
Interventions
Standardized Cat Allergen Extract and Standardized Dust Mite Allergen, Computed Tomography imaging, functional Positron Emission Tomography imaging, Nebulized methacholine inhalation
Biological · Radiation · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Sep 22, 2026, 10:05 PM EDT
Active, not recruiting No phase listed Observational

Impact of Pulsatile Cardio-Pulmonary Bypass (CPB) on Vital Organ Recovery

NCT00862407
View directory record Official record
Conditions
Cardio-Pulmonary Bypass
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
1 Day to 17 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 22, 2026, 10:05 PM EDT
Terminated Not applicable Interventional

Computed Tomography (CT) Perfusion Imaging of Lung Cancer

NCT00905801
View directory record Official record
Conditions
Carcinoma, Non Small Cell Lung
Interventions
CT Perfusion
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
3
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Pulmonary Perfusion Heterogeneity and Compliance in Patients With Pulmonary Hypertension Using Positron Emission Tomography Imaging

NCT01461343
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
CT imaging, functional PET imaging
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 22, 2026, 10:05 PM EDT
Terminated Not applicable Interventional Results available

OCS Lung System EXPAND II Trial

NCT03343535
View directory record Official record
Conditions
Lung Transplantation
Interventions
OCS Lung Preservation
Device
Lead sponsor
TransMedics
Industry
Eligibility
18 Years to 75 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
14
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

Ex-vivo Perfusion and Ventilation of Lungs Recovered From Non-Heart-Beating Donors to Assess Transplant Suitability

NCT01615484
View directory record Official record
Conditions
Emphysema, Chronic Obstructive Pulmonary Disease (COPD), Cystic Fibrosis, Pulmonary Fibrosis, Bronchiectasis, Sarcoidosis, Pulmonary Hypertension, Alpha-1 Antitrypsin Deficiency
Interventions
Transplantation of lungs obtained from Non-Heart-Beating Donors (NHBDs) after ex-vivo perfusion w/ STEEN Solution™, STEEN Solution™
Procedure · Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
15 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Phase 2 Interventional Results available

Electrical Stimulation for Critically Ill Post-Covid-19 Patients

NCT05198466
View directory record Official record
Conditions
COVID-19, Muscle Atrophy, Muscle Weakness
Interventions
Electrical Stimulation, Electrical Stimulation - Sham
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 100 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Sep 22, 2026, 10:05 PM EDT
Completed No phase listed Observational

Ventilation and Perfusion in the Respiratory System

NCT05081895
View directory record Official record
Conditions
Respiratory Failure, Respiratory Distress Syndrome, Adult, Critical Illness, Pulmonary Disease, Ventilator-Induced Lung Injury
Interventions
Electrical Impedance tomography, Lung mechanics and gas exchange
Device · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 22, 2026, 10:05 PM EDT
Completed No phase listed Observational

Brain Markers Predicting Reading Recovery After Stroke

NCT03845686
View directory record Official record
Conditions
Left-Hemisphere Stroke
Interventions
Perfusion functional Magnetic Resonance Imaging (perfusion fMRI)
Diagnostic Test
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 100 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Sep 22, 2026, 10:05 PM EDT
Not listed No phase listed Observational

Ventilation and Perfusion Scan in Pulmonary Embolism Following Catheter Directed Thrombectomy Versus Anticoagulation Alone

NCT05133713
View directory record Official record
Conditions
Pulmonary Embolism, Pulmonary Hypertension, Chronic Thromboembolic Pulmonary Hypertension
Interventions
Catheter directed therapy, Systemic anticoagulation
Device · Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced Sep 22, 2026, 10:05 PM EDT
Terminated Not applicable Interventional Results available

Acute Kidney Injury in Patients Undergoing Contrast Exposure: VQ vs. CT

NCT03116139
View directory record Official record
Conditions
Acute Kidney Injury, Pulmonary Embolism, Contrast-induced Nephropathy
Interventions
V/Q imaging, Computed tomography scan
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
5
States / cities
Indianapolis, Indiana • Royal Oak, Michigan • Dallas, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Perfusion-Induced Hyperthermia for Metastatic Carcinoma

NCT02409108
View directory record Official record
Conditions
Metastatic Non-Small Cell Lung Carcinoma, Solid Tumor, Adult
Interventions
Exatherm-TBH system
Device
Lead sponsor
Jonathan Kiev
Other
Eligibility
22 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Sep 22, 2026, 10:05 PM EDT
Terminated Not applicable Interventional

Del Nido Cardioplegia Randomized Trial

NCT02442050
View directory record Official record
Conditions
Cardiac Perfusion
Interventions
del Nido solution, Blood-based cardioplegia
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
19 Years to 79 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Sep 22, 2026, 10:05 PM EDT
Withdrawn Phase 1 Interventional

Phase I Evaluation of Immunotoxin LMB-100 Administered by Normothermic, Intrapleural Perfusion Following Cytoreductive Surgery in Participants With Pleural Mesotheliomas, or Pleural Effusions From Cancers Expressing Mesothelin

NCT05375825
View directory record Official record
Conditions
Malignant Pleural Mesotheliomas (Mpm), Malignant Pleural Effusions (Mpe), Epithelial Tumors, Malignant, Pleural Effusions, Malignant, Mesothelin (Msln)
Interventions
Cytoreductive surgery, LMB-100, Immunohistochemical Assay for Mesothelin
Procedure · Drug · Diagnostic Test
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Sep 22, 2026, 10:05 PM EDT
Recruiting Not applicable Interventional

Role of n On-contrast Chest CT (NCCT) Based CT V: Q in Patients With Acute Pulmonary Embolism (aPE)

NCT07527117
View directory record Official record
Conditions
Pulmonary Embolism (Diagnosis), Pulmonary Embolism Acute
Interventions
Additional CT acquisition at low dose (1- 2 mSv)
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Near-Infrared Perfusion During Minimally Invasive Thoracic Surgery Download

NCT05346380
View directory record Official record
Conditions
Lung Neoplasms, Esophageal Lesion
Interventions
Olympus VE2 NIR Imaging System, Indocyanine green
Device · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 22, 2026, 10:05 PM EDT
Terminated Phase 1Phase 2 Interventional

PEEP and V/Q Mismatch in Premature Infants

NCT03109613
View directory record Official record
Conditions
Respiratory Insufficiency Syndrome of Newborn, Infant, Premature, Diseases
Interventions
Positive end-expiratory pressure (PEEP)
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
0 Days to 28 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 22, 2026, 10:05 PM EDT
Completed No phase listed Observational

CTP Imaging of Lung Cancer

NCT01823094
View directory record Official record
Conditions
Non Small Cell Lung Cancer
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Sep 22, 2026, 10:05 PM EDT
Completed No phase listed Observational

Dynamic Perfusion Computed Tomography in Patients With Localized Non-small Cell Lung Cancer

NCT03091816
View directory record Official record
Conditions
Stage IA Non-Small Cell Lung Carcinoma, Stage IB Non-Small Cell Lung Carcinoma, Stage IIA Non-Small Cell Lung Carcinoma, Stage IIB Non-Small Cell Lung Carcinoma
Interventions
Computed Tomography Perfusion Imaging, Laboratory Biomarker Analysis, Stereotactic Body Radiation Therapy
Device · Other · Radiation
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Sep 22, 2026, 10:05 PM EDT
Completed No phase listed Observational

Comparing Chest Images From MRI to CT in Patients With Cystic Fibrosis (CF)

NCT01860872
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 60 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 22, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

Impact of CPAP Level on V/Q Mismatch in Premature Infants

NCT02983825
View directory record Official record
Conditions
Infant, Premature, Diseases, Respiratory Insufficiency Syndrome of Newborn
Interventions
Continuous positive airway pressure (CPAP); level changes
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
24 Hours to 35 Weeks
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Sep 22, 2026, 10:05 PM EDT