Clinical trials: CT Scanning
Aortic Valve Stenosis
Sizing of the PERCEVAL® Sutureless Aortic Valve Prosthesis Using the CT: a Feasibility Study
This study is to analyse if the size of the valve can be determined with a preoperative CT scan of the heart in order to prepare the valve preoperatively to save time.
- Trial name
- NCT03667248
- Testing
- Sorin Perceval ® Sutureless Valve (Sorin Group Italia Srl, 13040 Saluggia, Italy), available in different sizes (S 19-21mm, M 21-23mm, L 23-25mm, XL 25-27mm)
- Where
- Switzerland
- Volunteers
- 7 people
- Sponsor
- University Hospital, Basel, Switzerland
Emergency
Who Contributes to the Ordering of CT Scans in Emergency Department Patients?
The primary objectives are: 1. To investigate which healthcare workers and other individuals contribute to the decision to order computed tomography (CT) scans for emergency department (ED) patients. 2.
- Trial name
- NCT02040896
- Where
- United States
- Volunteers
- 1,500 people
- Sponsor
- Duke University
Breast Cancer
Preoperative Localization of Sentinel Lymph Node in Breast Cancer Patients By Novel Computed Tomography-Lymphography Guided Technique
A question is raised about the possibility of accurate localization of the SLN (sentinel lymph node) detected by CTLG (Computed Tomography Lymphography) which offers a detection rate of 100% in many studies In Oncology center…
- Trial name
- NCT03442543
- Testing
- preoperative localization of SLN detected by CTLG by either methods
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Lymphoma
Diffusion-weighted Magnetic Resonance Imaging in Post Therapy Patients With Lymphoma
The goal of this study is to determine the feasibility of the diffusion weighted Magnetic Resonance Imaging in the evaluation of the treatment response in patients with malignant lymphoma.
- Trial name
- NCT03969381
- Testing
- diffusion weighted magnetic resonance image in lymphoma
- Volunteers
- 50 people
- Sponsor
- Assiut University
Wrist Internal Derangement, Triangular Fibrocartilage Complex Tears
Added Diagnostic Value of CT Arthrography to MR Arthrography in Wrist Internal Derangement
The wrist is a complex joint made up of small bones, cartilage, and stabilizing ligaments, including the triangular fibrocartilage complex (TFCC) and intrinsic carpal ligaments.
- Conditions
- Wrist Internal Derangement, Triangular Fibrocartilage Complex Tears, Scapholunate Ligament Tears, Lunotriquetral Ligament Tears
- Trial name
- NCT07826208
- Testing
- Combined CT Arthrography and MR Arthrography
- Volunteers
- 60 people
- Sponsor
- Assiut University
Neuroendocrine Tumors
68Ga-DOTATOC for Imaging of Neuroendocrine Tumors: Expanded Access Trial
The purpose of this study is to use a new type of scan, called 68Ga-DOTATOC PET/CT scan, instead of OctreoScan, the standard scan, to diagnose, monitor and manage your tumor.
- Trial name
- NCT02358018
- Testing
- 68Ga-DOTATOC PET/CT Scan
- Where
- United States
- Sponsor
- Memorial Sloan Kettering Cancer Center
Root Canal Therapy
MB2 Canals in Pediatric Maxillary First Molars
This study examined how often an additional root canal, known as the second mesiobuccal canal (MB2), could be found in the upper first permanent molars of children aged 10-15 years.
- Trial name
- NCT07808489
- Testing
- Stepwise MB2 Clinical Confirmation Protocol
- Where
- Turkey (Türkiye)
- Volunteers
- 77 people
- Sponsor
- Sümeyra Akkoç
Orthodontic
The Influence of Anatomical Characteristics and Orthodontic Force on Pulpal Oxygen Saturation: A Clinical Study Using Cone-Beam Computed Tomography (CBCT)
The primary objective of this clinical protocol is to evaluate and compare the physiological responses of dental pulp to two different magnitudes of orthodontic force during active orthodontic treatment.
- Trial name
- NCT07630818
- Testing
- 150g Orthodontic Force Application, 50g Orthodontic Force Application
- Where
- Vietnam
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Can Tho University of Medicine and Pharmacy
Malocclusion, Angle Class II
Dentoskeletal Changes Associated With Herbst Appliance Therapy
The aim of the study is to perform a three-dimensional (3D) evaluation of the dentoskeletal changes in pubertal Class II malocclusion subjects treated with the Herbst appliance (HAG), in comparison with a Class II comparison…
- Trial name
- NCT02456220
- Testing
- Herbst appliance
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- Bernardo Quiroga Souki
Congenital Hyperinsulinism, Insulinoma
Fluorodopa F 18 in Congenital Hyperinsulinism and Insulinoma
Low blood sugars are known to cause brain damage in newborn babies. One of the most common causes of low blood sugars persisting beyond the new born period is a condition called congenital hyperinsulinism (HI).
- Trial name
- NCT02021604
- Testing
- Fluorodopa F 18
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- Cook Children's Health Care System
Heart Diseases
Evaluating the Infant Complex Congenital Heart Disease by Multidetector Computed Tomography
To test the ability of multi-detector spiral CT in evalting the infant complex congenital heart disease.
- Trial name
- NCT00155285
- Testing
- computed tomography
- Where
- 2 sites in Taiwan
- Volunteers
- 200 people
- Sponsor
- National Taiwan University Hospital
Atherosclerosis, Cardiovascular Diseases
Zhongshan Hospital Cardiovascular Imaging Registry
The purpose of this registry is to establish a multi-modality cardiac image database including coronary angiography (CAG), optical coherence tomography (OCT), intravascular ultrasound (IVUS), computed tomography angiograms (CTA)…
- Trial name
- NCT07080151
- Testing
- Cardiac imaging
- Volunteers
- 10,000 people
- Sponsor
- Shanghai Zhongshan Hospital
Class II Malocclusion
Evaluation of Maxillary Molar Distalization With Two Bone Supported Protocols Using Cone Beam Computed Tomography
The goal of this clinical trial is to to evaluate and compare the skeletal and dental changes of bone supported Fast Back and bone supported modified Leaf Spring Self-Activated Expander in bilateral distalization of maxillary…
- Trial name
- NCT06308640
- Testing
- Fast Back Rapid Distalizer, Modified Leaf Spring Self-Activated Expander
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
Cystic Fibrosis
Controlled Ventilation CT in CF Infants
The objective of the study is to implement a new method of performing chest CT imaging in young children with cystic fibrosis at Packard Children's Hospital.
- Trial name
- NCT01200888
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Stanford University
Metal Artifacts
Effect of Metal Artifacts Reduction Orotocols and Electric Potential Difference on Metal Artifacts in Cone Beam Computed Tomography
The effect of metal artifacts reduction protocols and tube potential difference on the metallic artifacts in cone beam computed tomography
- Trial name
- DTA (NCT03726970)
- Testing
- CBCT radiation
- Where
- Egypt
- Volunteers
- 2 people
- Sponsor
- Cairo University
Transverse Maxillary Deficiency
Dentoskeletal Changes In The Transverse Dimension Using Tooth Bone-Borne Vs. Bone-Borne Expansion Appliances
This study aimed to investigate the skeletal, dentoalveolar, and periodontal changes of tooth-bone-borne (TBB) and bone-borne (BB) appliances with identical miniscrew placement using cone-beam computed tomography (CBCT) in the…
- Trial name
- NCT05930054
- Testing
- skeletal anchorage and rapid palatal expansion
- Where
- 3 sites in Turkey (Türkiye)
- Volunteers
- 18 people
- Sponsor
- TC Erciyes University
Aortomesenteric Angle, Aortomesenteric Distance
Normal Range of Superior Mesenteric Artery in Young Chinese Population and Its Correlation With Retroperitoneal Adipose Tissue
In literature, superior mesenteric artery (SMA) angle, also named as aortomesenteric angle (AMA), varies greatly in both adult and children; while the aortomesenteric distance also ranges widely.
- Conditions
- Aortomesenteric Angle, Aortomesenteric Distance, Retroperitoneal Adipose Tissue
- Trial name
- NCT03937193
- Testing
- computerized tomography
- Where
- China
- Volunteers
- 510 people
- Sponsor
- Chinese University of Hong Kong
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
Ewing Sarcoma, Osteosarcoma
Eligibility Screening for a NCI Pediatric Oncology Branch Research Study
Patients who are being considered for participation in a NCI Pediatric Oncology Branch research study will be screened for eligibility under this protocol.
- Conditions
- Ewing Sarcoma, Osteosarcoma, Neuroblastoma, Acute Lymphoblastic Leukemia
- Trial name
- NCT00026780
- Where
- United States
- Volunteers
- 1,720 people
- Sponsor
- National Cancer Institute (NCI)
Pituitary Adenoma
Prediction of Sphenoid Septation in MRI Compared With CT and Intraoperative Findings During Endoscopic Pituitary Adenoma Surgery
To investigate whether MRI is able to predict the exact anatomy and topography of the sphenoid sinus and its relationship to the sellar, parasellar und paraclinoid region and where CT yields more detailed information for the…
- Trial name
- Scope (NCT03624114)
- Testing
- comparison of data from MRI with data from CT compared with intraoperative data from endoscopic pituitary adenoma surgery
- Where
- 2 sites in Malaysia, Switzerland
- Volunteers
- 40 people
- Sponsor
- University Hospital, Basel, Switzerland