Clinical trials: Computed Tomography Scan
Automatic Registration of Digital Dental Model to CBCT Image
Automatic Versus Semiautomatic Registration of Digital Dental Cast to Cone Beam Computed Tomography Image
An observational Cross-sectional Study to compare the accuracy and reliability of the automatic registration of digital dental model to CBCT image versus the semiautomatic point-based registration.
- Trial name
- CBCT (NCT04563117)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Coronary Artery Disease (CAD)
Improved Management of Patients With Recent-Onset Stable Chest Pain
In Germany, coronary CT offers an accurate and less burdensome alternative to cardiac catheterisation for evaluating suspected coronary artery disease, but it is still underused.
- Trial name
- IMPRO (NCT07476040)
- Testing
- IMPRO - Cross-Sectoral Care Model for Coronary Diagnostics
- Where
- 39 sites in Germany
- Volunteers
- 3,369 people
- Sponsor
- Philipps University Marburg
Coronary Artery Disease
Perfusion Imaging and CT -Understanding Relative Efficacy
To determine the relative efficacy of Cardiac Computed Tomography Angiography (CCTA) and Single Positron Emission Computed Tomography (SPECT) in patients with an intermediate risk of CAD.
- Trial name
- PICTURE (NCT00486447)
- Testing
- 64 Channel VCT
- Where
- United States
- Volunteers
- 249 people
- Sponsor
- GE Healthcare
Coronary Stenosis, Aortic Valve Stenosis
Impact of Fast-rotation Coronary CT in Patients Undergoing Aortic Stenosis Workup
This study aims to evaluate the clinical value of a novel CT gantry supporting a .23 second rotation time and systematically compare it with 0.23 second rotation time, in patients with clinically indicated aortic CTA in the…
- Conditions
- Coronary Stenosis, Aortic Valve Stenosis, Cardiovascular Diseases
- Trial name
- FAST-CCT (NCT05709652)
- Testing
- Aortic CTA, .23s, Aortic CTA, .28s
- Where
- Switzerland
- Volunteers
- 124 people
- Sponsor
- David C. Rotzinger
X-ray Contrast Media Adverse Reaction
Preparative Fasting Before Contrast-enhanced Computed Tomography
The study aims to determine whether there is a need for preparative fasting prior to contrast-enhanced computed tomography (CT).
- Trial name
- NCT03533348
- Where
- Israel
- Volunteers
- 2,148 people
- Sponsor
- HaEmek Medical Center, Israel
Osteoporosis
Diagnosis of Decreased Bone Density by Dental Cone Beam Computed Tomography
The purpose of this study is to elucidate the role of Dental Cone Beam Computed Tomography (CBCT) in assessment of bone density.
- Trial name
- NCT02303340
- Testing
- Dual Energy X-ray Absorptiometry
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
Dental Implants
Anterior Mandibular Region for Immediate Implant Placement
Immediate implant placement has been proven to be a successful treatment modality, it is however considered a technique sensitive procedure, which mandates careful planning on basis of the recommended guidelines and thorough site…
- Trial name
- NCT06527950
- Testing
- no intervention
- Where
- Egypt
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Cairo University
Aortic Valve Stenosis, Cardiovascular Diseases
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)
The aortic valve is located between the left ventricle and the aorta. Patients with symptomatic, severe aortic valve stenosis conventionally have it surgically replaced requiring direct access to the heart through the chest.
- Conditions
- Aortic Valve Stenosis, Cardiovascular Diseases, Heart Valve Diseases, Ventricular Outflow Obstruction
- Trial name
- GALILEO-4D (NCT02833948)
- Testing
- Acetylsalicylic acid, Clopidogrel, Rivaroxaban
- Where
- 25 sites in United States, Canada and 5 more
- Volunteers
- 231 people
- Sponsor
- ECRI bv
Prostate Cancer
Robotic-arm Assisted Ga-68 PSMA PET/CT Guided Transgluteal Prostate Biopsy
Gallium-68 prostate-specific-membrane-antigen (Ga-68 PSMA) PET/CT is being used in Prostate cancer imaging. In the present study, we aimed to evaluate the efficacy and safety of robotic arm-assisted Ga-68 PSMA PET/CT-guided…
- Trial name
- NCT05022576
- Testing
- Robotic arm assisted PSMA PET/CT guided prostate biopsy
- Where
- India
- Volunteers
- 78 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Chronic Kidney Disease, Pulmonary Embolism
Safety of Low Dose IV Contrast CT Scanning in Chronic Kidney Disease
The purpose of this study is to show that the use of low volume iso-osmolar non-ionic radio contrast medium (30 cc) in a thoracic CT Scanning procedure in a selected group of patients with chronic kidney disease (CKD) will avoid…
- Conditions
- Chronic Kidney Disease, Pulmonary Embolism, Renal Artery Stenosis, Pulmonary Cancer
- Trial name
- NCT02476526
- Testing
- Low Volume iso-osmolar non-ionic radio contrast medium, Acetylcysteine Inhalation, Sodium Bicarbonate Solution
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- VA Greater Los Angeles Healthcare System
Back Pain, X-rays
Natural Experiment: "Gentle Nudge" Intervention, Eliminating Phone Call Requirement
Back pain costs the U.S. over $100 billion annually, and much of this spending is wasteful due to the overuse of advanced diagnostic imaging.
- Conditions
- Back Pain, X-rays, MRI, CT Scan
- Trial name
- LBP-ED (NCT03381885)
- Testing
- Gentle Nudge, Usual Standard Procedure
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Deep Learning, Sarcopenia
Application of Artificial Intelligence Algorithm Based on CT Imaging for Muscle Parameter Measurement
To establish an artificial intelligence model for automated diagnosis of sarcopenia based on CT imaging
- Conditions
- Deep Learning, Sarcopenia, Computed Tomography, Body Composition
- Trial name
- NCT06845462
- Where
- China
- Volunteers
- 1,080 people, healthy volunteers welcome
- Sponsor
- RenJi Hospital
Malocclusion
3D Craniofacial Cephalometric Analysis
Development of three-dimensional craniofacial cephalometric analysis for virtual planning in orthognathic surgery.
- Trial name
- ACRO3D (NCT01413373)
- Testing
- cone beam computed tomography, computer tomography
- Where
- Belgium
- Volunteers
- 15 people
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Pleural Effusion
Pressure Levels on Lung Expansion
Question: What level of noninvasive positive airway pressure is able to expand the lungs of people with pleural drainage? Design: Cross-sectional, experimental and randomized study.
- Trial name
- NCT03027180
- Testing
- Noninvasive positive airway pressure with different levels
- Volunteers
- 4 people
- Sponsor
- Universidade Cidade de Sao Paulo
Acute Respiratory Distress Syndrome, Mechanical Ventilation Complication
Early Diagnosis of ARDS in Mechanically Ventilated Patient Using LUS Score in Comparison With CT
The aim of this study is to assess accuracy of Lung ultrasound score for early diagnosis of acute respiratory distress syndrome in patients who expected to be mechanically ventilated more than 24 hour in comparison with computed…
- Conditions
- Acute Respiratory Distress Syndrome, Mechanical Ventilation Complication, Computed Tomography
- Trial name
- NCT06971042
- Testing
- Lung Ultrasound
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Tanta University
Head and Neck Cancer
Dynamic Contrast Enhanced Computed Tomography (CT) for Head and Neck Cancer
For patients undergoing treatment for head and neck cancer, this study will use dynamic contrast-enhanced CT scans to try to determine which lymph nodes in the neck contain cancer and require surgical removal.
- Trial name
- NCT01549379
- Testing
- Dynamic Contrast Enhanced CT scan
- Where
- Canada
- Volunteers
- 1 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Chronic Obstructive Pulmonary Disease, Pulmonary Emphysema
Volumetric HRCT in Stable COPD Patients.
This study evaluates the role of volumetric high-resolution computed tomography (HRCT) of the chest in assessing patients with stable chronic obstructive pulmonary disease (COPD).
- Conditions
- Chronic Obstructive Pulmonary Disease, Pulmonary Emphysema, Airway Obstruction
- Trial name
- NCT07809399
- Testing
- Volumetric HRCT chest, Spirometry and Body Plethysmography
- Where
- Egypt
- Volunteers
- 75 people
- Sponsor
- Mansoura University
Ankylosing Spondylitis, Osteoporosis
Treatment With Alendronate in Patients With Ankylosing Spondylitis (AS)
This prospective study will assess the effects of treatment with alendronate in osteoporotic patients with ankylosing spondylitis.
- Trial name
- NCT01104987
- Testing
- alendronate
- Where
- Sweden
- Volunteers
- 16 people
- Sponsor
- Göteborg University
Chest Pain, Acute Coronary Syndrome
Computed Tomography Coronary Angiogram (CTCA) Versus Traditional Care in Emergency Department Assessment of Potential Acute Coronary Syndromes (ACS)
This multi-center, randomized, controlled trial conducted in Emergency Departments (ED) compares computed tomography (CT) coronary angiography with the traditional approach (usual care) for low- to intermediate-risk chest pain…
- Conditions
- Chest Pain, Acute Coronary Syndrome, Acute Myocardial Infarction, Coronary Artery Disease
- Trial name
- NCT00933400
- Testing
- CT Coronary Angiography (CTCA), Traditional Strategy
- Where
- 5 sites in United States
- Volunteers
- 1,392 people
- Sponsor
- American College of Radiology
Neoplasms, Neoplasm Metastasis
Dose Efficiency of Modern CT Scanners in Oncologic Scans
CT-Staging is crucial for therapy planning of patients with malignancies. Dose efficiency and image quality are important parameters for these examinations.
- Conditions
- Neoplasms, Neoplasm Metastasis, Metastatic Cancer
- Trial name
- NCT04989192
- Testing
- Scan at CT scanner 1, Scan at CT scanner 2, Scan at CT scanner 3
- Where
- Germany
- Volunteers
- 2,400 people
- Sponsor
- University Hospital Augsburg
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