Clinical trials: CAT Scan
Type 1 Diabetes
11C-5-HTP PET in Clinical Islet Transplantation
In people with type I diabetes, the insulin producing cells in the pancreas have been destroyed. Presently one can only evaluate the function of the graft through laboratory tests, blood sugars and the insulin requirements.
- Trial name
- NCT02689479
- Testing
- Positron-Emission Tomography, 11C-5-HTP, Magnetic Resonance Imaging
- Where
- 2 sites in Sweden
- Volunteers
- 8 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Low Bone Mass, Low Bone Mineral Density
A High-resolution Peripheral Quantitative Computed Tomography Study in Postmenopausal Women Previously Treated With Denosumab
To evaluate the combined effect of denosumab treatment and discontinuation on cortical thickness at the distal radius by High Resolution-Peripheral Quantitative Computed Tomography (HR-pQCT).
- Conditions
- Low Bone Mass, Low Bone Mineral Density, Osteoporosis, Postmenopausal Osteoporosis
- Trial name
- NCT00890981
- Testing
- high-resolution peripheral quantitative computed tomography (HR-pQCT), Dual energy X-ray absorptiometry (DXA), Denosumab
- Volunteers
- 79 people
- Sponsor
- Amgen
HIV Infections, Hepatitis C
Comparing Single Photon Emission Computed Tomography (SPECT) and Liver Biopsy to Evaluate the Liver in Patients With HIV and Hepatitis C Virus
The purpose of this study is to find if the Single Photon Emission Computed Tomography (SPECT) scan is as effective as a liver biopsy (using a special needle to remove tissue from the liver) in examining liver damage in patients…
- Trial name
- NCT00006643
- Where
- 11 sites in United States
- Volunteers
- 44 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Hereditary Haemorrhagic Telangiectasia, Pulmonary Arteriovenous Malformation
Pulmonary Arteriovenous Malformations (PAVMs) in Hereditary Haemorrhagic Telangiectasia (HHT)
Computed tomography (CT) is the modality of choice to characterize pulmonary arteriovenous malformations (PAVMs) in patients with hereditary haemorrhagic telangiectasia (HHT).
- Conditions
- Hereditary Haemorrhagic Telangiectasia, Pulmonary Arteriovenous Malformation, Cerebral Disorder
- Trial name
- PAVM (NCT03940014)
- Testing
- Data collection from standard follow up
- Volunteers
- 170 people
- Sponsor
- Hospices Civils de Lyon
Malocclusion of Anterior Teeth, Malocclusion; Displaced Teeth
Effects of Three Orthodontic Archwire Protocols on Root and Bone Changes
This randomized controlled clinical trial compares the effects of three orthodontic archwire protocols used during the alignment phase on anterior tooth roots and the supporting alveolar bone.
- Trial name
- NCT07688655
- Testing
- Square-shaped cross-sectional archwire, Rectangular-shaped cross-sectional archwire, Traditional sequence of archwires
- Where
- Syria
- Volunteers
- 53 people
- Sponsor
- Damascus University
Registration Accuracy
Assessment of the Artifical Intelligence Assisted Registration Versus Conventional Point Based Registration on Cone Beam-computed Tomography (CBCT) With Heavy Metal Artifacts
Our study investigates the accuracy and duration needed for 3D model registration using artifical intelligence (AI) assistance compared to conventional point-based registration.
- Trial name
- NCT06273332
- Testing
- AI-assisted registration, Point-based registration
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Maxillary Sinus, Cone-Beam Computed Tomography
Anatomical and Imaging Assessment of the Alveolar Antral Artery Canal Using CBCT
This research project aims to improve understanding of the alveolar antral artery canal, an anatomical structure located in the maxilla, using cone-beam computed tomography (CBCT).
- Conditions
- Maxillary Sinus, Cone-Beam Computed Tomography, Artery
- Trial name
- NCT07726121
- Testing
- Assigned Interventions
- Where
- Poland
- Volunteers
- 1,000 people
- Sponsor
- Hospital of the Ministry of Interior, Kielce, Poland
Brown Fat and Muscle Metabolic, Differential Diagnosis
PET/MRI Study on Changes of Fat and Muscle Metabolism.
False positives for Brown Fat \& Muscle（F\&M） always affect the evaluation of metabolic disease treatment. Recently, using PET/CT，international journals such as Journal of Nuclear Medicine reported that the amount of active brown…
- Trial name
- NCT04334720
- Testing
- Comprehensive treatment of tumor
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Tang-Du Hospital
Inflammatory Bowel Disease, Crohn Disease
Skeletal Health and Bone Marrow Composition in Newly Diagnosed Adolescents With Crohn Disease
The investigators will be evaluating bone marrow composition via magnetic resonance imaging in newly diagnosed adolescents with Crohn disease (CD) compared to healthy, matched controls.
- Trial name
- NCT04508088
- Testing
- Coronal T1 weighted spin echo images, Spin-lattice relaxation (T1), Magnetic resonance spectroscopy
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Abdominopelvic Sarcomas
Study of Magnetic Resonance Image and Computed Tomography-Guided Stereotactic Body Radiation Therapy for Abdominopelvic Sarcomas (MARS Trial)
Recent advances in radiation treatment have allowed for higher doses per treatment to be delivered safely. This study plans to use an MRI-guided linear accelerator to deliver the radiation treatment to ensure that the radiation…
- Trial name
- NCT06436612
- Testing
- Magnetic Resonance Image and Computed Tomography-Guided Stereotactic Body Radiation Therapy
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Jonsson Comprehensive Cancer Center
Cancer of Pancreas
The Pre-operative Pathway in Pancreatic Head Malignancy-assessment of the Diagnostic Accuracy of Staging CT Scan
Our aim is to assess the ability of scans to distinguish the organ of origin of pancreatic head malignant tumours and to predict the resectability based on the preoperative imaging.
- Trial name
- NCT02296736
- Testing
- Computerised tomography (CT) scan
- Where
- United Kingdom
- Volunteers
- 422 people
- Sponsor
- University Hospital Plymouth NHS Trust
Myocardial Bridging, Coronary Atherosclerosis
Coronary Myocardial Bridge and Coronary Plaques on MDCT
Myocardial bridging is a condition in which a segment of a coronary artery passes through the heart muscle instead of running on its surface.
- Trial name
- NCT07916272
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sohag University
TO FIND THE CORRELATION BETWEEN TINS SCORE OUTCOME
Trauma Infant Neurological Score (TINS) as a Prognostic Factor and Guideline for CT Scan in Infants 24 Months Old or Less
Traumatic brain injury (TBI) is the major cause of disability and death among the younger population. In the Pediatric population Head trauma may be responsible for primary and secondary brain damage.
- Trial name
- NCT02731781
- Testing
- NONE . OBSERVATIONAL
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- Laniado Hospital
Malocclusion, Crossbite (Posterior)
Dentoskeletal Effects of the Expander With Differential Opening and the Fan-type Expander
This study will assess the dentoskeletal effects of two types of maxillary expanders in orthodontic patients in the mixed dentition, from 7 to 11 years old.
- Trial name
- NCT03705871
- Testing
- Differential Expansion, Fan-Fype Expander
- Where
- Brazil
- Volunteers
- 48 people
- Sponsor
- University of Sao Paulo
Testicular Germ Cell Tumor
CT Scans in Treating Patients With Stage I Testicular Cancer After Undergoing Orchiectomy
RATIONALE: Imaging procedures such as CT scans help the doctor in detecting cancer or the recurrence of cancer. Increasing the number of times a CT scan is given may improve the ability to detect stage I testicular cancer.
- Trial name
- NCT00003420
- Testing
- computed tomography
- Where
- United Kingdom
- Volunteers
- 900 people
- Sponsor
- Medical Research Council
Ischemic Heart Disease, Non STEMI
Coronary Computed Tomography Versus Invasive Angiography for Non-ST Elevation Acute Coronary Syndrome
Coronary computed tomography angiography (CCTA) is a widely accepted initial diagnostic test for individuals suspected of having chronic coronary syndromes.
- Conditions
- Ischemic Heart Disease, Non STEMI, Angina Pectoris, Unstable, Coronary Disease
- Trial name
- TRACTION (NCT06101862)
- Testing
- CCTA, Conventional ICA, Team-based interventional triage
- Where
- 6 sites in Denmark
- Volunteers
- 2,300 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Lung Tumors
Computed Tomography (CT) in Head and Neck Patients
This study is conducting a comparison of chest x-ray (CXR) and minimum dose thoracic CT (MnDCT) in the detection of lung nodules (metastases) in patients with head and neck carcinoma.
- Trial name
- NCT00188656
- Testing
- CT thorax
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- University Health Network, Toronto
Cystic Fibrosis
Bone Microarchitecture in Young Cystic Fibrosis Patients
Patients with cystic fibrosis are at risk of developing low bone mineral density (BMD) potentially leading to pathological fractures at adult age.
- Trial name
- NCT01788267
- Testing
- scan examination HR-pQCT
- Where
- France
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Parkinson Disease
Single Photon Emission Computed Tomography to Study Receptors in Parkinson's Disease
This study will use single photon emission computed tomography, or SPECT (see below), to examine brain nicotine receptors in evaluating the role of a chemical called acetylcholine in memory and other problems in Parkinson's…
- Trial name
- NCT00058721
- Testing
- I-123-5-IA85380
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Prostate Cancer (Adenocarcinoma), Prostate Cancer Metastatic Disease
Osteosclerotic Changes on CT Predict Survival in Prostate Cancer
The study specifically investigated PC patients with bone metastasis and conducted a comprehensive analysis of the correlation between OCs and patient survival outcomes.
- Trial name
- NCT06883474
- Testing
- Osteosclerotic Changes on Computed Tomography
- Volunteers
- 211 people
- Sponsor
- Sun Yat-sen University