Clinical trials: CAT Scan
Cancer
Adult and Paediatric Patient Radiation Doses From Multidetector Row Computed Tomography Scans: a National Survey
The situation in Italy regarding radiation dose to patients undergoing Multidetector row Computed Tomography (MDCT) scans is unclear despite Italian law require that each centre check the Reference Dose Level (RDL) every two…
- Trial name
- MDCTDOSE (NCT01436006)
- Where
- Italy
- Volunteers
- 6,700 people
- Sponsor
- University of Palermo
Coronary Artery Disease
Myocardial Stress Perfusion Imaging With Dual Source CT
The investigators propose a novel technique using dual source multidetector computed tomography (DSCT) where information on both coronary anatomy and myocardial perfusion is obtained in a single scan.
- Trial name
- NCT00853671
- Testing
- Adenosine Stress Dual-source CTP
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Massachusetts General Hospital
Lung Cancer, Tobacco Use
Lung Cancer Screening Navigation for Homeless People
The investigators will conduct a pragmatic clinical trial to test the effect of patient navigation on lung cancer screening (LCS) low-dose computed tomography (LDCT) completion among Boston Health Care for the Homeless Program…
- Conditions
- Lung Cancer, Tobacco Use, Homelessness
- Trial name
- NCT04308226
- Testing
- Patient Navigation
- Where
- United States
- Volunteers
- 261 people
- Sponsor
- Massachusetts General Hospital
Ionizing Radiation Exposure, Quality Improvement
CT DOSE Collaboratory
This is a pragmatic stepped-wedge cluster randomized controlled trial to explore variation in doses used for diagnostic CT by pooling radiation dose data across diverse healthcare delivery systems.
- Trial name
- NCT03000751
- Testing
- Simple Audit Report, Multi-Component Intervention, In-Person Meeting
- Volunteers
- 864,080 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Uterine Cervical Neoplasms, Endometrial Neoplasms
[F-18] Fluorothymidine PET/CT Imaging for Pelvic Cancers
[F-18] Fluorothymidine PET imaging will be used to create a radiation therapy treatment plan to avoid active bone marrow in the pelvis. This will be done to evaluate if sparing bone marrow will help maintain blood counts.
- Conditions
- Uterine Cervical Neoplasms, Endometrial Neoplasms, Anus Neoplasms, Rectal Neoplasms
- Trial name
- NCT01717391
- Testing
- fluorothymidine F 18
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- John M. Buatti
Type 2 Diabetes Mellitus, Coronary Atherosclerosis
Assessment With CCTA and MRI in Asymptomatic Patients With Type 2 Diabetes for Detection of Unrecognized Myocardial Scar in Subclinical Coronary Atherosclerosis
The study aimed to prospectively investigate the prevalence of myocardial scar on Dotarem-enhanced Cardiovascular Magnetic Resonance Imaging (MRI) in asymptomatic patients with type-2 Diabetes Mellitus and to assess its…
- Trial name
- ACCREDIT (NCT01254552)
- Testing
- iobitridol, gadoterate meglumine
- Where
- South Korea
- Volunteers
- 351 people
- Sponsor
- Guerbet
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
Urolithiasis
Study of Tomography of Nephrolithiasis Evaluation
This is a multi-center, randomized controlled trial of ultrasonography (ultrasound) compared to computed tomography (CT) for the initial emergency room evaluation of patients with suspected renal colic.
- Trial name
- STONE (NCT01451931)
- Testing
- Point-of-care Ultrasound, Radiology Ultrasound, Radiology CT
- Where
- 15 sites in United States
- Volunteers
- 2,776 people
- Sponsor
- University of California, San Francisco
Lung Cancer
Low-Dose Chest Computed Tomography Screening for Lung Cancer in Survivors of Hodgkin's Disease
This research study is being done because patients with a history of chest radiation treatment for Hodgkin's disease have been shown to be at increased risk for developing lung cancer a number of years out from treatment.
- Trial name
- NCT00601146
- Testing
- chest computed tomography scan
- Where
- 2 sites in United States
- Volunteers
- 39 people
- Sponsor
- Dana-Farber Cancer Institute
Pulmonary Tuberculosis, Multidrug Resistant Tuberculosis
Linezolid to Treat Extensively-Drug Resistant Tuberculosis
This study, conducted in Masan and Seoul, South Korea, investigated the effectiveness of linezolid (LZD) in treating patients with extensively drug resistant tuberculosis (XDR TB).
- Conditions
- Pulmonary Tuberculosis, Multidrug Resistant Tuberculosis, Extensively Drug Resistant Tuberculosis
- Trial name
- NCT00727844
- Testing
- Immediate Start Linezolid, Delayed Start Linezolid
- Where
- 2 sites in South Korea
- Volunteers
- 41 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Atrial Fibrillation
Apixaban Versus Warfarin in the Evaluation of Progression of Atherosclerotic Calcification and Vulnerable Plaque
Vitamin K-antagonists (VKA) such as warfarin are the most widely used blood thinners for irregular heart beats like atrial fibrillation.
- Trial name
- NCT02090075
- Testing
- apixaban, warfarin
- Where
- United States
- Volunteers
- 66 people
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Kidney Failure, Chronic, Kidney Failure, Acute
Sodium Chloride and Contrast Nephropathy
This phase II, open, non-inferiority, randomized and controlled clinical trial is aimed to ascertain the incidence of contrast nephropathy in outpatients undergoing CT scan with contrast.
- Conditions
- Kidney Failure, Chronic, Kidney Failure, Acute, Heart Failure, Diabetes
- Trial name
- PNIC-Na (NCT03476460)
- Testing
- Oral sodium chloride, Intravenous sodium chloride
- Where
- Spain
- Volunteers
- 271 people
- Sponsor
- Hospital Universitario Ramon y Cajal
Acute Kidney Injury, Pulmonary Embolism
Acute Kidney Injury in Patients Undergoing Contrast Exposure: VQ vs. CT
Both, CT scans and VQ scans, are used by doctors to look for pulmonary embolism. The most common reason to order a VQ scan is to avoid the IV dye.
- Conditions
- Acute Kidney Injury, Pulmonary Embolism, Contrast-induced Nephropathy
- Trial name
- VQ/CT (NCT03116139)
- Testing
- V/Q imaging, Computed tomography scan
- Where
- 5 sites in United States
- Volunteers
- 253 people
- Sponsor
- Indiana University
Breast Cancer
Computed Tomography Versus Standard 2D Mammography Versus 3D Tomosynthesis
The purpose of this study is to compare the imaging performance of an investigational breast computed tomography (CT) scanner, built at UC Davis, with that of an FDA-Approved breast tomosynthesis scanner (capable of producing…
- Trial name
- NCT01852032
- Testing
- Tomosynthesis Breast Scanning, Breast CT Scanning
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- University of California, Davis
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
Recurrent Colon Cancer, Recurrent Rectal Cancer
2 Phase Comparison of Pre-operative CT and PET Images for Metastatic Colorectal Cancer
This pilot phase II studies how well computed tomography (CT) and positron emission tomography (PET) imaging works in detecting disease in patients undergoing surgery for metastatic colorectal cancer.
- Conditions
- Recurrent Colon Cancer, Recurrent Rectal Cancer, Stage IV A Bladder Cancer, Stage IV A Rectal Cancer
- Trial name
- NCT01821105
- Testing
- PET Scan, CT Scan, fludeoxyglucose F 18
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Ohio State University Comprehensive Cancer Center
Breast Cancer
PET/CT Evaluation of Treatment Response in Breast Cancer
The purpose of this study is to develop Positron Emission Tomography (PET) - Computed Tomography (CT) PET/CT imaging methods for looking at the effects of chemotherapy in breast cancer.
- Trial name
- NCT01222416
- Testing
- Radiopharmaceutical Administration [18F]-FDG, Radiopharmaceutical: [18F]-FLT
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Vanderbilt-Ingram Cancer Center
Atherosclerosis, Coronary Artery Disease
The Effect of Atorvastatin and Pioglitazone on Carotid Atherosclerosis With the Use of Positron Emission Tomography-computed Tomography (PET-CT)
This study is a prospective randomized clinical trial and to compare the antiinflammatory effect of atorvastatin single therapy and atorvastatin and pioglitazone combination therapy in carotid arteries of stable and unstable…
- Trial name
- PIONEER (NCT01341730)
- Testing
- Atorvastatin 20mg, Atorvastatin 20 mg + Pioglitazone 30 mg
- Where
- South Korea
- Volunteers
- 41 people
- Sponsor
- The Catholic University of Korea
Cystinuria, Nephrolithiasis, Calcium Oxalate
Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones
We will investigate the safety and effectiveness of a mixture of 9 east Indian herbs known as Cystone regarding their ability to dissolve existing kidney stones and prevent formation of new ones.
- Trial name
- NCT00381849
- Testing
- Cystone
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Mayo Clinic
Radiation Safety, Coronary Computed Tomography Angiography
Focused Field of View Calcium Scoring Prior to Coronary CT Angiography
Coronary computed tomography angiography (CCTA) is a frequently performed test for the diagnosis and/or exclusion of coronary artery disease (CAD) in appropriately selected patients.
- Conditions
- Radiation Safety, Coronary Computed Tomography Angiography, Coronary Artery Disease
- Trial name
- FOCUS-CCTA (NCT02972242)
- Testing
- Field of View
- Volunteers
- 175 people
- Sponsor
- Walter Reed National Military Medical Center