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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:37 PM EDT

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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 4DCT Clear all
Completed Phase 1 Interventional

Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)

NCT00538720
View directory record Official record
Conditions
Hyperparathyroidism
Interventions
Vitamin D, Four-dimensional computed tomography (4DCT)
Drug · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Phase 2 Interventional Results available

Chemotherapy, Stereotactic Body Radiation Therapy & Nelfinavir Mesylate in Locally Advanced Pancreatic Cancer

NCT01959672
View directory record Official record
Conditions
Pancreatic Adenocarcinoma, Resectable Pancreatic Carcinoma, Stage I Pancreatic Cancer, Stage IA Pancreatic Cancer, Stage IB Pancreatic Cancer, Stage II Pancreatic Cancer, Stage IIA Pancreatic Cancer, Stage IIB Pancreatic Cancer, Stage III Pancreatic Cancer
Interventions
4-Dimensional Computed Tomography, Fluorouracil, Gemcitabine Hydrochloride, Laboratory Biomarker Analysis, Leucovorin Calcium, Nelfinavir Mesylate, Oregovomab, Stereotactic Body Radiation Therapy, Therapeutic Conventional Surgery
Procedure · Drug · Other + 2 more
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional Results available

Feasibility Study Incorporating Lung Function Imaging Into Radiation Therapy for Lung Cancer Patients

NCT02528942
View directory record Official record
Conditions
Lung Neoplasms, Lung Cancer
Interventions
Radiation therapy
Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
2
States / cities
Aurora, Colorado • Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 2, 2026, 4:37 PM EDT
Completed No phase listed Observational

Novel Lung Imaging in Adults Undergoing Radiation Therapy to Assess for Radiation Pneumonitis

NCT02735746
View directory record Official record
Conditions
Lung Cancer, Breast Cancer, Mediastinum Lesion, Radiation Pneumonitis
Interventions
4D Computed Tomography (CT), Cone Beam CT, Low-dose Cinefluorography, Pulmonary Function Tests
Radiation · Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional

A Novel Lung Function Imaging Modality As a Preoperative Evaluation Tool (LIME)

NCT03426306
View directory record Official record
Conditions
Lung Cancer
Interventions
4DCT-Ventilation
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Aurora, Colorado • Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 2, 2026, 4:37 PM EDT
Terminated Early Phase 1 Interventional

4D-CT-based Ventilation Imaging for Adaptive Functional Guidance in Radiotherapy

NCT01034514
View directory record Official record
Conditions
Lung Cancer
Interventions
Real-time Position Management system, Discovery ST multislice PET/CT scanner, Infinia Hawkeye SPECT/CT gamma camera, Pinnacle3 treatment planning system, SKYLight nuclear camera, DTPA, TECHNETIUM TC 99M MAA
Device · Drug
Lead sponsor
Billy W. Loo Jr.
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 7, 2017 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional Results available

4DCT Imaging for Improved Diagnosis and Treatment of Wrist Ligament Injuries

NCT03193996
View directory record Official record
Conditions
Scapholunate Interosseous Ligament Injury
Interventions
4DCT
Device
Lead sponsor
Kristin Zhao, PhD
Other
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Phase 1 Interventional

Imaging Study Compare 4DCT Image

NCT01626001
View directory record Official record
Conditions
Esophagus Cancer, Lung Cancer
Interventions
4D CT scans
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Sep 2, 2026, 4:37 PM EDT
Recruiting Not applicable Interventional

GCC 2546- Motion Management

NCT07398209
View directory record Official record
Conditions
Lung Cancer (NSCLC), Radiation
Interventions
MRI
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 2, 2026, 4:37 PM EDT
Completed No phase listed Observational

Cystic Breast Masses by Contrast Enhanced Ultrasound (CEUS)

NCT02887937
View directory record Official record
Conditions
Breast Cancer
Interventions
Definity
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Sep 2, 2026, 4:37 PM EDT
Completed No phase listed Observational

Functional Lung Imaging With DECT and 4DCT

NCT04702607
View directory record Official record
Conditions
Non Small Cell Lung Cancer
Interventions
contrast enhanced 4DCT
Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional

4D CBCT and Intrafractional Imaging for the Determination of the Most Representative 4D Simulation Planning Technique for Lung SBRT Technique Patients

NCT04717804
View directory record Official record
Conditions
Cancer of Lung
Interventions
AIP CT, FB (Free-Breathing) CT
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional Results available

Non-Contrast 4DCT to Detect Pulmonary Thromboembolic Events

NCT03183063
View directory record Official record
Conditions
Pulmonary Thromboembolisms, Pulmonary Embolism
Interventions
4DCT and SPECT/CT, 4DCT with BiPAP and SPECT/CT, 4DCT with CTA in suspected PE
Device
Lead sponsor
Thomas Guerrero
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate 4DCT Controls

NCT04736537
View directory record Official record
Conditions
Wrist Ligament and Bone Disorders
Interventions
4DCT
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Phase 3 Interventional Results available

Comparison of a Rivaroxaban-based Strategy With an Antiplatelet-based Strategy Following Successful TAVR for the Prevention of Leaflet Thickening and Reduced Leaflet Motion as Evaluated by Four-dimensional, Volume-rendered Computed Tomography (4DCT)

NCT02833948
View directory record Official record
Conditions
Aortic Valve Stenosis, Cardiovascular Diseases, Heart Valve Diseases, Ventricular Outflow Obstruction, Thrombosis
Interventions
Acetylsalicylic acid, Clopidogrel, Rivaroxaban
Drug
Lead sponsor
ECRI bv
Industry
Eligibility
18 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
Los Angeles, California • New York, New York • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 2, 2026, 4:37 PM EDT
Completed No phase listed Observational

4D PET/CT in Diagnosing Participants With Lung and Colorectal Cancer With Liver and Lung Metastasis

NCT00862680
View directory record Official record
Conditions
Metastatic Malignant Neoplasm in the Liver, Metastatic Malignant Neoplasm in the Lung, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IVA Colorectal Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Colorectal Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8, Stage IVC Colorectal Cancer AJCC v8
Interventions
4-Dimensional Computed Tomography, 4D PET Scan
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 2, 2026, 4:37 PM EDT
Completed Not applicable Interventional Results available

Improving Pulmonary Function Following Radiation Therapy

NCT02843568
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Laboratory Biomarker Analysis, Standard fractionation, Stereotactic Body Radiation Therapy (SBRT), Four Dimensional Computed Tomographic Imaging (4DCT)
Other · Radiation · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
Johnson Creek, Wisconsin • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Sep 2, 2026, 4:37 PM EDT
Completed No phase listed Observational Results available

4D-CT for Pancreatic Adenocarcinoma in Radiotherapy Simulation

NCT01764659
View directory record Official record
Conditions
Pancreatic Adenocarcinoma
Interventions
Contrast-enhanced 4D computed tomography
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Sep 2, 2026, 4:37 PM EDT