Clinical trials: CT Scanning
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
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
Lymphoma, Large-Cell
Early Evaluation of the Response of Large B Cell Non Hodgkin's Lymphoma to Chemotherapy by PET/CT
Patients affected with non-Hodgkin's large B-cell lymphoma are treated by chemotherapy. The evaluation of the response to this treatment is made by Positron Emission Tomography (PET/CT) in many centres where this technology is…
- Trial name
- NCT00256490
- Testing
- PET/CT 20 days after the first cycle of chemotherapy
- Where
- Canada
- Volunteers
- 82 people
- Sponsor
- Eric Turcotte
Invasive Breast Cancer
Computed Tomography (CT) Reconstruction for Axillary Lymph Node Structure
This is a prospective, single-center, non-randomized, non-controlled observational study.
- Trial name
- CTREP (NCT03247478)
- Where
- China
- Volunteers
- 160 people
- Sponsor
- Peking University
Prostatic Neoplasm
CT/MRI Co-registration Prostate Cancer
The target volume in prostate cancer radiotherapy typically consists of the entire prostate gland which is localized by contours drawn on axial computed tomography (CT) radiation planning images.
- Trial name
- NCT00252460
- Testing
- Computed Tomography Scan and Magnetic Resonance Imaging
- Where
- Canada
- Volunteers
- 31 people
- Sponsor
- University Health Network, Toronto
Prostate Cancer, PSMA PET/CT
Brief Title: INTROSPECT: Intraoperative PSMA PET/CT Imaging During Radical Prostatectomy
During prostate cancer surgery, the surgeon aims to remove the tumor completely while preserving the surrounding tissue responsible for urinary continence and sexual potency.
- Conditions
- Prostate Cancer, PSMA PET/CT, Margin Assessment
- Trial name
- INTROSPECT (NCT07829068)
- Testing
- study-specific administration of 68Ga-PSMA-11 followed by ex vivo PET/CT imaging of the prostatectomy specimen
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- University Hospital, Geneva
Lung Cancer, Solitary Pulmonary Nodule
Liquid Biopsy With PET/CT Versus PET/CT Alone in Diagnosis of Small Lung Nodules
The purpose of this study is to determine if a liquid biopsy, a method of detecting cancer from a blood draw, combined with a PET/CT scan, a type of radiological scan, is better at determining whether a lung nodule is cancerous…
- Conditions
- Lung Cancer, Solitary Pulmonary Nodule, Multiple Pulmonary Nodules
- Trial name
- NCT05066776
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Palo Alto Veterans Institute for Research
Heart Failure, Heart Failure, Systolic
Predicting Heart Failure Outcomes With Biomarkers and Imaging
This study aims to develop a better model to predict one-year risk of death in patients with heart failure. We will test whether combining information from routine blood tests (like NT-proBNP) and heart scans (measuring features…
- Conditions
- Heart Failure, Heart Failure, Systolic, Heart Failure, Diastolic, Heart Failure With Reduced Ejection Fraction (HFrEF)
- Trial name
- BIOPHF (NCT07332520)
- Volunteers
- 4,000 people
- Sponsor
- Xinjiang Medical University
Partial Edentulism, Dental Implant Placement
Effect of Advanced PRF and Hyaluronic Acid on Dental Implant Healing
This randomized parallel-group clinical trial aimed to evaluate the clinical efficacy of advanced platelet-rich fibrin (A-PRF) combined with hyaluronic acid (HA) in enhancing peri-implant bone formation in patients undergoing…
- Trial name
- NCT07792720
- Testing
- Delayed Dental Implant Placement, Advanced Platelet-Rich Fibrin (A-PRF), Hyaluronic Acid 1.5%
- Where
- Yemen
- Volunteers
- 30 people
- Sponsor
- Samar Ali Abdu Salamah
Coronary Artery Disease
xSPECT-based Myocardial Perfusion Scintigraphy: Consistency of Functional Values and Feasibility of Myocardial Uptake Quantitation in Patients With Suspected Coronary Artery Disease
This study is to evaluate the feasibility of myocardial Standardized Uptake Volume (SUV) assessment by means of X- (Single photon emission tomography) SPECT/Computed tomography (CT), to assess normal reference value under rest…
- Trial name
- xSPECT MPI (NCT04583787)
- Testing
- 99mTc-sestamibi myocardial perfusion SPECT, 82Rb-Chloride myocardial perfusion PET with CCTA
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- University Hospital, Basel, Switzerland
Pulmonary and Mediastinal Lesions
Feasibility of Confocal Laser Microscopy (CLM)in the Computed Tomography-guided Needle Biopsy of Pulmonary and Mediastinal Lesions
The hypothesis of this proposal is that needle confocal laser microscopy (nCLM) may improve the yield of trans thoracic needle biopsy (TTNB) of lung or mediastinal lesions by differentiating between viable and necrotic tissue.
- Trial name
- NCT01979692
- Testing
- confocal laser microscopy CLM at trans thoracic needle biopsy TTNB, CT guided trans thoracic needle biopsy
- Where
- Israel
- Volunteers
- 10 people
- Sponsor
- Sheba Medical Center
Coronary Artery Disease
Accuracy of Half of the Usual Radiotracer Dose in SPECT
There has been a shortage of nuclear isotopes, not only in Canada but around the world. New, more sensitive SPECT cameras can obtain better images in shorter scan times.
- Trial name
- SPECT-Light (NCT01412827)
- Testing
- 1/2 dose of 99mTc OR 201Tl tracers
- Where
- Canada
- Volunteers
- 18 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Dental Implant
Radiographic Changes in the Maxillary Sinus Following Closed Sinus Augmentation
A closed sinus augmentation is performed for dental implant placement.
- Trial name
- NCT06296459
- Testing
- 3D R100 scanner, Conventional Radiograph
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Coronary Artery Disease
Comparison of Cardiac Computed Tomography and Vasodilator Stress Magnetic Resonance Imaging Perfusion in Patients With Prior Equivocal Stress Test for Detection of Coronary Artery Disease
Background: Noninvasive cardiac stress testing is imperfect. Inconclusive test results generate further expensive testing. In patients with known or suspected coronary artery disease, both computed tomography (CT) and magnetic…
- Trial name
- NCT00929227
- Where
- 2 sites in United States
- Volunteers
- 109 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Coronary Heart Disease
Prevalence of Coronary Artery Disease in the Siblings of Premature Coronary Heart Disease
The aim of this prospective study is to investigate the prevalence of coronary artery disease using computed tomography with family history of premature coronary heart disease
- Trial name
- NCT00918242
- Where
- South Korea
- Volunteers
- 87 people
- Sponsor
- Yonsei University
Orthodontic Pathological Resorption of External Root
Orthodontic Treatment With Clear Aligner
Three-dimensional Assessment of Root Resorption following treatment with clear aligners using Cone Beam Computed Tomography Design: A randomized, controlled, crossover, double-blind clinical study including twenty six adult …
- Trial name
- NCT06410105
- Testing
- CLEAR ALIGNERS
- Where
- Syria
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Latakia University
Metastatic Breast Cancer
Study to Determine the Utility of FES-PET in the Prediction of Response to Fulvestrant in Women With Estrogen Positive Metastatic Breast Cancer
Effects of fulvestrant on the ERs may be evaluable by molecular imaging using positron emission tomography with the ER-specific FES tracer.
- Trial name
- NCT03507088
- Testing
- Fluoroestradiol (18F)
- Where
- 2 sites in China
- Volunteers
- 36 people
- Sponsor
- Zhimin Shao
Orbital Fractures
Orbital Fractures Measurement: Intraoperative Versus Computed Tomography (CT) Scan
Purpose to compare the orbital fracture size measured by orbital CT scan and compare it to the actual orbital fracture size intraoperatively in patients who needed surgical intervention to correct the fracture.
- Trial name
- NCT01464541
- Testing
- operative fracture size vs CT fracture size, orbital fracture intraoperative measurement
- Where
- 2 sites in Israel
- Volunteers
- 20 people
- Sponsor
- HaEmek Medical Center, Israel
Stroke
Decentralized Imaging by REmote Computer Tomography for Cerebral Infarct Thrombolysis
The DIRECT-CT trial is designed to test the hypothesis that remote controlled CT scanning combined with real time audio-and video conference (AVC) guided assessment from an experienced hospital stroke team (tele-stroke) at…
- Trial name
- DIRECT-CT (NCT07530588)
- Testing
- Decentralized diagnostics and treatment
- Where
- 2 sites in Norway
- Volunteers
- 52 people
- Sponsor
- University Hospital of North Norway
Prostate Cancer, Advanced Cancer
SPECT Imaging for Pharmacokinetics and dosimEtry Towards TREATment Optimization
The investigators will study SPECT imaging of radiopharmaceutical therapies given as standard of care or as part of other compatible research protocols.
- Trial name
- (SEEtoTREAT) (NCT06389097)
- Testing
- Radium-223, 177Lu-DOTATATE, 177Lu-PSMA-617
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins