Clinical trials: Tomography
Hypertension, Pulmonary
Positron Emission Tomography (PET) Study to Evaluate Biodistribution of [11C]-GSK2256098 in Healthy Subjects and Idiopathic Pulmonary Arterial Hypertension (PAH) Patients
Pulmonary arterial hypertension (PAH) involves the narrowing of blood vessels connected to and within the lungs. Focal adhesion kinase (FAK) is a focal adhesion-associated protein kinase involved in cellular adhesion and…
- Trial name
- NCT02551653
- Testing
- [11C]-GSK2256098 500 MBq
- Where
- 2 sites in United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
HIV, Inflammation
PET/CT Imaging Companion Study To ACTG A5314
HIV-infected individuals on antiretroviral therapy (ART) are at increased risk for cardiovascular disease (CVD), likely due to chronically increased inflammation.
- Conditions
- HIV, Inflammation, Atherosclerosis
- Trial name
- PET/CTMTX (NCT02312219)
- Testing
- Folic Acid, Low Dose Methotrexate
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Massachusetts General Hospital
Atrial Fibrillation
Left Atrial Imaging Prior to Cardioversion: Leveraging Computed Tomography to Rule Out Thrombus
Evaluating contrast enhanced ECG-gated cardiac CT (CCT) as an alternative to transesophageal echocardiography (TEE) to expedite cardioversion of atrial fibrillation (AF), improve patient care and reduce hospital admissions for AF…
- Trial name
- LACLOT (NCT04223505)
- Testing
- Contrast enhanced ECG-gated cardiac CT (CCT), Transesophageal Echocardiography (TEE)
- Where
- Canada
- Volunteers
- 102 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Peripheral Pulmonary Nodules, Lung; Node
CBCT-Guided Navigational Bronchoscopy For Lung Nodules
The purpose of this study is to determine if the cone beam computed tomography (CBCT)-guided navigation bronchoscopy is better in diagnosing lung nodules compared to navigation bronchoscopy alone.
- Conditions
- Peripheral Pulmonary Nodules, Lung; Node, Cone Beam Computed Tomography, Guided Navigation Bronchoscopy
- Trial name
- NCT04758403
- Testing
- Navigation Bronchoscopy, Cone beam computed tomography (CBCT)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Chest Pain
Low Dose One-Day Tc99m Protocol With a High-Efficiency Cardiac Dedicated Gamma Camera For Detection of Coronary Disease
A prospective single clinical trial to validate the use of a low-dose (~5mSv) Tc-99m protocol with a high-efficiency cardiac dedicated camera (Dynamic Single Photon Emission Computed Tomography; D-SPECT) to detect myocardial…
- Trial name
- NCT01135095
- Testing
- low-dose imaging
- Where
- 2 sites in United States
- Volunteers
- 101 people
- Sponsor
- Spectrum Dynamics
Glaucoma
Are There Changes in the Nerve Fiber Layer (NFL) After Lowering of Eye Pressure?
The aim of this study was to evaluate structural and functional improvement after lowering intraocular pressure (IOP) in patients with glaucoma using Spectral Domain Optical Coherence Tomography (SD-OCT), Visual Field (VF)…
- Trial name
- NCT02600403
- Testing
- Optical Coherence Tomography (OCT), Visual evoked potential (VEP), Humphrey Visual Field (HVF)
- Volunteers
- 61 people
- Sponsor
- Wills Eye
Alzheimer's Disease
Evaluation of Physician Training Methods to Read Florbetapir-PET Scans
The purpose of this study is re-read of brain amyloid positron emission tomography (PET) scans acquired in previous florbetapir F 18 clinical studies by readers trained using updated reading methodology.
- Trial name
- NCT01565369
- Testing
- florbetapir F 18
- Volunteers
- 35 people
- Sponsor
- Avid Radiopharmaceuticals
Osteoarthritis, Rotator Cuff Tear Arthropathy
Prediction of Development of Scapular Notching Following Reverse Total Shoulder Arthroplasty
The hypothesis is that computer simulated bony impingement of the bone surrounding the spherical glenoid implant (the glenosphere) along the scapular neck on three-dimensional (3-D) computed tomography (CT) imaging analysis is…
- Conditions
- Osteoarthritis, Rotator Cuff Tear Arthropathy, Reverse Total Shoulder Arthroplasty, Scapular Notching
- Trial name
- NCT02052466
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Eric Ricchetti
Ventricular Tachycardia
Study of Cardiac PET/CT Imaging to Guide Ablation Treatment of Ventricular Tachycardia
Imaging is to be performed prior to procedure using positron emission tomography/ computed tomography (PET/CT), after a special dye is injected.
- Trial name
- NCT02962076
- Testing
- [C-11] Meta-hydroxyephedrine radioactive tracer (MHED)
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Khaled Awad, MD
Apical Periodontitis, Pulp Disease, Dental
In-Vivo Diagnostic Accuracy and Repeatability of Root ZX3 for Working-Length Determination in Single-Rooted Teeth: Agreement With CBCT and Microscopic Validation
This study evaluated the accuracy and repeatability of the Root ZX3 electronic apex locator for working-length determination in 77 single-rooted permanent teeth.
- Conditions
- Apical Periodontitis, Pulp Disease, Dental, Device Reliability, Device Performance
- Trial name
- NCT07689838
- Testing
- Root ZX3 Electronic Apex Locator
- Where
- Saudi Arabia
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Riyadh Elm University
Alzheimer's Disease
A Study of 18F-AV-45 in Alzheimer's Disease (AD) and Healthy Volunteers
This study will test if two AV-45 PET scans up to 4 weeks apart in AD subjects and healthy volunteers provide the same results. The study will also test two different AV-45 injection methods in a small subgroup of enrolled AD…
- Trial name
- NCT01565343
- Testing
- florbetapir F 18
- Where
- 4 sites in United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Recurrent Non-Small Cell Lung Carcinoma, Stage IB Non-Small Cell Lung Carcinoma
A Comparison of FLT to FDG PET/CT in the Early Assessment of Chemotherapy Response in Stage IB-IIIA Resectable NSCLC
This study is being done to compare a special type of Positron Emission Tomography (PET) scan with CT scan in patients with surgically removable lung cancer to see which method is more useful in measuring a response to treatment.
- Conditions
- Recurrent Non-Small Cell Lung Carcinoma, Stage IB Non-Small Cell Lung Carcinoma, Stage IIA Non-Small Cell Lung Carcinoma, Stage IIB Non-Small Cell Lung Carcinoma
- Trial name
- NCT00963807
- Testing
- Cisplatin, CT, Docetaxel
- Where
- 2 sites in United States
- Volunteers
- 26 people
- Sponsor
- National Cancer Institute (NCI)
Optical Coherence Tomography (OCT) of the Retina
Low Cost OCT for Point of Care
The purpose of this study is to compare the performance of a prototype optical coherence tomography (OCT) machine with currently available high resolution OCT machines.
- Trial name
- NCT03323307
- Testing
- OCT imaging
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Duke University
Multiple Myeloma
Comparison of F-18 FDG and C-11 Acetate PET in Multiple Myeloma
Investigators are doing this study to determine which of four imaging techniques: Fludeoxyglucose Positron Emission Tomography (18 FDG PET) computerized tomography (CT), 18 FDG PET Magnetic resonance imaging (MRI), C-11 acetate…
- Trial name
- NCT03262389
- Testing
- Fludeoxyglucose PET CT, Sodium Acetate C11 PET CT, Fludeoxyglucose PET MRI
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Michael C Roarke, MD
Alzheimer's Disease
Ability Of ([18F]-AV-45) PET Scan to Distinguish Alzheimer's Disease Subjects From Cognitively Normal Individuals
This study will evaluate the performance characteristics of a novel [18F] amyloid detection ligand (18F]-AV-45) with respect to its ability to distinguish patients with clinically-diagnosed probable Alzheimer's disease from…
- Trial name
- NCT00855868
- Testing
- florbetapir F 18, [11C]-PIB
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Osteopenia
Study of the Effect of Once a Week Risedronate on the Microstructure of Tibia and Radius Using a New Scanning Method
The primary purpose of the protocol is to evaluate the sensitivity of 3D-pQCT (3D-Peripheral Quantitative Computed Tomography) technology to detect minute changes in bone microarchitecture.
- Trial name
- NCT00386360
- Testing
- risedronate
- Where
- 9 sites in Argentina, Australia and 5 more
- Volunteers
- 161 people
- Sponsor
- Warner Chilcott
Acute Respiratory Distress Syndrome, ARDS
Electrical Impedance Tomography for Optimization of Positive End-Expiratory Pressure: Acute Respiratory Distress Syndrome
Doctors follow a standard ventilator management strategy when making adjustments to the breathing machine to optimize the amount of oxygen into the lungs.
- Trial name
- NCT03793842
- Testing
- Usual care, PEEP titration by EIT
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- University of Michigan
Diabetic Macular Edema, Ischemic Maculopathy
Evaluation of the Effect of Intravitreal Injections of Anti-VEGF on Macular Perfusion in Diabetic Patients Using OCTA
Anti-vascular endothelial growth factor (VEGF) drugs are the mainstay of therapy for diabetic macular edema (DME), substantially improving visual acuity for many diabetics worldwide, and proving effective for treatment of both…
- Trial name
- IMPACT (NCT03246152)
- Testing
- Bevacizumab
- Where
- Egypt
- Volunteers
- 31 people
- Sponsor
- Cairo University
Computed Tomography, Radiation Dosage
Breast Displacement and CT Radiation Dose
The primary hypothesis of this study is that breast displacement out of the direct plane of imaging during computed tomography (CT) of the abdomen will reduce effective radiation dose to the female breast.
- Trial name
- Chrysalis (NCT01261559)
- Testing
- Chrysalis breast displacement device
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- University of Washington
Brain Fibrillarab Levels
Positron Emission Tomography (PET) Imaging of Brain Amyloid Compared to Post-Mortem Levels
To determine the level of association between quantitative regional estimates of brain uptake of [18F]flutemetamol and quantitative immunohistochemical regional estimates of brain levels of amyloid estimated from post-mortem…
- Trial name
- NCT01165554
- Testing
- [18F] Flutemetamol
- Where
- United States
- Volunteers
- 203 people
- Sponsor
- GE Healthcare