Clinical trials: CT
Exposure to Medical Diagnostic Radiation
Low Tube Voltage Computed Tomographic (CT) Urography Using Low Concentration Iodine Contrast Agent
Computed Tomographic (CT) urography is the best imaging modality to evaluate obstructing lesions of urinary tract such as urinary stone, tumor and inflammatory lesion.
- Trial name
- NCT01855204
- Testing
- Computed tomographic urography
- Where
- South Korea
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Healthy
CT Indexes of Emphysema and Airways in Healthy Volunteers: Normal Values; Relations With Gender, Height and Weight
Various indexes have been proposed to quantify both pulmonary emphysema and airways disease on chest CT scans. It is unknown whether these indexes should be consider in absolute values or as compared to predicted normal values.
- Trial name
- NCT02611947
- Testing
- Low-dose chest CT scans
- Where
- Belgium
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Erasme University Hospital
Lung Cancer
Chest Imaging, Breath, and Biomarkers in a Screening Trial
The investigators would like to see if lung cancer screening with chest x-rays,computer aided detection (CAD)and a lose dose CT scan can detect lung cancer in early stages when it is more responsive to treatment.
- Trial name
- NCT01663155
- Testing
- chest x-ray with or without CAD, lose dose CT scan
- Where
- United States
- Volunteers
- 1,424 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Humeral Greater Tuberosity, Humeral Fractures/ Proximal
Detecting Occult Proximal Humeral Neck Fractures Through CT and MRI Tests of Patients With Greater Tuberosity Fractures
Patients with greater tuberosity fractures is becoming increasingly common, as is the number of cases of humeral surgical neck fractures.
- Conditions
- Humeral Greater Tuberosity, Humeral Fractures/ Proximal, Fractures/ Occult
- Trial name
- NCT03481478
- Testing
- CT and MRI
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hebei Medical University Third Hospital
Coronary Artery Disease
Virtual Coronary Intervention and Non-invasive Fractional Flow Reserve (FFR)
The investigators examined the feasibility of treatment planning using virtual coronary revascularization and fractional flow reserve (FFR) CT before the invasive procedures.
- Trial name
- NCT01478100
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Obesity
Investigating Glucose Metabolism of LEAP2 With Total-body PET/CT
The naturally occurring hormone LEAP2 is proposed to have opposite effects to that of the 'hunger hormone' ghrelin. Other that appetite regulation, LEAP2 is involved in glucose metabolism through mechanisms yet not fully…
- Trial name
- LEAP2-PET/CT (NCT06254365)
- Testing
- Exogenous LEAP2 hormone
- Where
- Denmark
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen
Tumor, Positron-Emission Tomography
68Ga-FAP-CHX PET/CT : Dosimetry and Preliminary Clinical Translational Studies
As an emerging molecule targeting FAP, 68Ga-FAP-CHX is promising as an excellent imaging agent applicable to various cancers. In this study, we observed the safety, biodistribution and radiation dosimetry of 68Ga-FAP-CHX in…
- Trial name
- NCT05506566
- Testing
- 68Ga-FAP-CHX
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Fujian Medical University
Influence of Mouthpiece Design on Upper Airway Geometry
Evaluation With Scans and Pharyngometry of the Possible Changes in Upper Airway Geometry Induced by Using Different Mouthpieces.
In this study the possible changes in upper airway geometry induced by variations in the characteristics of the mouthpieces of inhalers will be evaluated with functional respiratory imaging (FRI) and Pharyngometry.
- Trial name
- NCT01592929
- Testing
- Magnetic Resonance imaging, Pharyngometry, Computed Tomography scan
- Where
- Belgium
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- FLUIDDA nv
Melanoma (Skin Cancer), Health Volunteers
Study of Melanoma-Resistant PET Monitoring Based on Key Rate-limiting Enzymes for Fatty Acid Metabolism in Healthy Volunteers
This is a small-sample safety study involving 15 healthy volunteers who were divided into groups and underwent 68Ga-ACC-DE, 68Ga-FASN-DE, and 68Ga-ACLY-DE PET/CT imaging for safety, biodistribution, and radiation dosimetry…
- Conditions
- Melanoma (Skin Cancer), Health Volunteers, PET / CT
- Trial name
- NCT07114172
- Testing
- 68Ga-ACC-DE/68Ga-FASN-DE/68Ga-ACLY-DE PET/CT
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital
Smoking, Cigarette, Smoking E-cigarette
Imaging Sex Differences in Smoking-Induced Pulmonary Inflammation
The purpose of this research is to measure the extent of lung inflammation between different groups of participants using a radioactive tracer called [18F]NOS.
- Conditions
- Smoking, Cigarette, Smoking E-cigarette, Healthy Volunteer
- Trial name
- NCT03721822
- Testing
- [18F]NOS
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Metabolic Syndrome, Obesity Associated Disorder
Dedicated Breast CT for Quantitative Breast Density Measurements in Mexican-origin Women in Southern Arizona
The overall objective of this clinical study is to determine the feasibility of breast CT for breast density assessment and association of CT-derived density measures with metabolic syndrome in overweight/obese Mexican-origin…
- Trial name
- NCT04799665
- Testing
- Breast CT
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Patients With Central Nervous System Diseases
Clinical Applications of (S)-[18F]FBFP PET/CT in Healthy Volunteers and Patients With Central Nervous System Diseases
This is an open-label whole-body PET/CT (positron emission tomography/computed tomography) study for investigation of radiation dosimetry, plasma pharmacokinetics, biodistribution, safety and diagnostic performance of…
- Trial name
- NCT05335200
- Testing
- (S)-[18F]FBFP PET/CT
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Coronary Artery Disease (CAD), Computed Tomography Angiography
AI-assisted CT for Risk Stratification in Coronary Artery Disease (ACTION)
The goal of this observational study is to learn if AI-assisted cardiac CT imaging can improve cardiovascular risk stratification and prediction of future coronary events in an adult population undergoing clinically indicated…
- Conditions
- Coronary Artery Disease (CAD), Computed Tomography Angiography, Biomarkers, AI (Artificial Intelligence)
- Trial name
- ACTION (NCT07577609)
- Where
- Ireland
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- University of Galway
Contrast Media Dosing
Dosing Iodinated Contrast Media According to Lean vs. Total Body Weight
The purpose of this study is to evaluate the effect of dosing iodinated contrast media according to a patient's total body weight vs. lean body weight.
- Trial name
- NCT03415997
- Testing
- Iohexol
- Where
- Canada
- Volunteers
- 239 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Coronary Angiography, Obesity
Optimizing Image Quality in Obese Patients Undergoing Coronary Computed Tomography (CT) Angiography
The purpose of this cardiovascular imaging research is to look at ways to improve the way we can look at the pictures of the heart.
- Conditions
- Coronary Angiography, Obesity, Coronary Disease
- Trial name
- BMI40 (NCT00468195)
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Corewell Health East
Laparoscopy, Augmented Reality
Laparoscopic Augmented Reality for Identification of Liver Lesions - a Pre-clinical Randomized Cross-over Trial
Procedure preparation and accurate knowledge of the specific anatomy is an integral part of performing minimally invasive procedures.
- Conditions
- Laparoscopy, Augmented Reality, Orientation, Spatial, Liver
- Trial name
- LARA (NCT05389241)
- Testing
- Method A, Method B
- Where
- Germany
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Köln
Giant Cell Arteritis, Polymyalgia Rheumatica
Assessing Biomarker in Giant Cell Arteritis and Polymyalgia Rheumatic
The GCAIO study is an innovative, multimodal research initiative designed to enhance the understanding, diagnosis, and management of giant cell arteritis (GCA) and frequently associated polymyalgia rheumatica (PMR).
- Trial name
- GCAIO (NCT06460142)
- Testing
- Aortic/ cardiac magnetic resonance imaging, Vascular ultrasound, Transorbital Ultrasound
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Bonn
Ovarian Cancer
Ovarian Cancer Identification on CT Using Deep Learning
Ovarian cancer remains the deadliest gynecologic malignancy, with poor survival rates largely due to late-stage diagnosis. Early detection is crucial, yet no universally accepted screening method exists.
- Trial name
- NCT06851429
- Where
- 2 sites in Taiwan
- Volunteers
- 12,578 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Case-report, Diagnosis
Diagnosis and Clinical Presentation of Iliac Graft-Enteric Fistula: A Case Report
Abstract Introduction: Aorto-enteric fistula (AEF) is a life-threatening complication arising from abnormal connections between the gastrointestinal tract and major arteries.
- Conditions
- Case-report, Diagnosis, Digestive System Fistula, Gastrointestinal Hemorrhage
- Trial name
- NCT06553105
- Testing
- ct scan
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Golestan University of Medical sciences
NSCLC
18F-FDG PET/CT to Evaluate pD-1 Monoclonal Antibody With First-line Chemotherapy in Advanced NSCLC
This study is a diagnostic study. Subjects were enrolled from clinical stage IIIB or IV NSCLC patients who received standard first-line chemotherapy combined with PD-1 monoclonal antibody immunotherapy and received 18F-FDG PET/CT…
- Trial name
- NCT04996927
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology