Clinical trials: Tomography
Healthy
Open Label, Randomized Study of Low Concentration Ioforminol Injections for Use in Abdominal CECT in Healthy Volunteers
To optimize both the Ioforminol concentration and dosage(s) for CECT of the abdomen. To evaluate the safety and tolerability of low concentration Ioforminol Injections. Study recruits healthy volunteers.
- Trial name
- NCT01672996
- Testing
- Ioforminol 160 mgI/mL, Ioforminol 200 mgI/mL, Iopamidol 300 mgI/mL
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
Graft Versus Host Disease
Detection of Graft Versus Host Disease With [18F]F-AraG
This is a single-center imaging study to determine utility of in vivo imaging with [18F]F-AraG to identify sites of Graft Versus Host Disease (GVHD) in patients highly suspected of having acute GVHD who require systemic therapy…
- Trial name
- NCT03367962
- Testing
- [18F]F-Ara-G
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- CellSight Technologies, Inc.
Contrast Enhancement on Cardiac CT
Comparison of Contrast Agents During CT Angiography
The purpose of this study is to compare the effects of a certain contrast agent (iodixanol) to two other commonly used contrast agents called Iopamidol (Isovue) and iohexol (Omnipaque), on heart and kidney safety in patients…
- Trial name
- Visipaque (NCT01534975)
- Testing
- contrast agent
- Where
- United States
- Volunteers
- 513 people, healthy volunteers welcome
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Healthy Volunteers, Alzheimer Disease
I2PETHV - Imidazoline2 Binding Site in Healthy Volunteers
The imdazoline2 binding site (I2BS) is known to reside inside astrocytes. Changes in the numbers of I2BS in post mortem tissue has implicated them in a range of psychiatric conditions such as depression and addiction, along with…
- Conditions
- Healthy Volunteers, Alzheimer Disease, Molecular Imaging
- Trial name
- I2PETHV (NCT02323217)
- Testing
- [11C]BU99008, Idazoxan, Isocarboxazid
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Barrett's Esophagus, Eosinophilic Esophagitis
Study to Image the Esophagus Using the OFDI Capsule
The main purpose of this research is to test the feasibility and tolerability of the tethered capsule Optical Frequency Domain Imaging (OFDI)
- Trial name
- NCT02204150
- Testing
- OFDI Capsule
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Bone Deficiency, Posterior Maxillae
Morphological Pattern of the Atrophic Posterior Maxillae
Overcoming the vertical and horizontal bone deficiency in the posterior maxillae are considered as the most challenging scenarios for implant-supported oral rehabilitation in modern implant dentistry.
- Trial name
- NCT02833337
- Testing
- Cone-beam computed topography
- Where
- Spain
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Center of Implantology, Oral and Maxillofacial Surgery, Badajoz, Spain
Dexmedetomidine Induced Sedation
Combined Electroencephalogram, Magnetic Resonance Imaging-Positron Emission Tomography of Dexmedetomidine Induced Sleep
The investigators are doing this research study to find out how and where dexmedetomidine, a sedative anesthetic, acts in the brain.
- Trial name
- NCT01485380
- Testing
- dexmedetomidine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Healthy
A Study in Healthy Men to Test the Effects of Different Doses of BI 1467335 on MAO-B Activity in the Brain.
The main objective of this trial is to investigate the effect of multiple oral dosing of high dose BI 1467335 over 28 days and multiple oral dosing of low dose BI 1467335 over 42 days on MAO-B occupancy in the brain compared to…
- Trial name
- NCT03927209
- Testing
- BI 1467335
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Depression, HIV Infections
PET Imaging of the Dopaminergic and Serotonergic Systems in Treated HIV Positive Subjects
Background: Human immunodeficiency virus (HIV) infection is a serious disease with no cure. Some people with HIV have depression and other mood problems. They can have problems with thinking and memory.
- Conditions
- Depression, HIV Infections, HIV-Associated Cognitive Motor Complex
- Trial name
- NCT03581305
- Testing
- 18F-FDOPA, 11C-DASB
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Neuroendocrine Neoplasms
A Prospective, Open-label Study of [68Ga]Ga-DOTA-TATE in Patients With Neuroendocrine Neoplasms (NENs) and Healthy Volunteers in Japan
The purpose of this study was to evaluate the diagnostic performance of [68Ga]Ga-DOTA-TATE Positron Emission Tomography (PET)/Computerized Tomography (CT) imaging compared with conventional imaging (CIM) as standard of truth in…
- Trial name
- NCT06240741
- Testing
- [68Ga]Ga-DOTA-TATE, 68Ge/68Ga Generator
- Where
- 8 sites in Japan
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Novartis Pharmaceuticals
Retinal Disease, Glaucoma
Topcon 3D OCT-1000 Optical Coherence Tomography System
The purpose of this clinical protocol is to perform a comparison of Retinal and Retinal Nerve Fiber Layer (RNFL) thickness measurements between the Topcon 3D-1000 and the identified predicate device.
- Trial name
- NCT00792259
- Where
- 4 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
Healthy Participants
Positron Emission Tomography Study in Healthy Subjects to Determine the Relationship Between Plasma Concentration and Brain Target Occupancy of ASN51
This is a phase 1, open-label, positron emission tomography (PET) study in healthy adult participants to determine the relationship between plasma concentration and brain target occupancy of ASN51 following a single oral dose.
- Trial name
- NCT06390098
- Testing
- ASN51
- Where
- United Kingdom
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Asceneuron S.A.
Alzheimer Disease
A Preliminary Study of 18F-AV-45 in Alzheimer's Disease and Healthy Elderly Volunteers
A preliminary study to test how florbetapir F 18 (18F-AV-45) acts in the brains and bodies of healthy elderly people and patients with Alzheimer's Disease (AD) by using a positron emission tomography (PET) scanner.
- Trial name
- NCT01565291
- Testing
- florbetapir F 18
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Alzheimer's Disease
Bridging Study of C11 Pittsburgh Compound B (PiB) and F18 Flutemetamol Brain Positron Emission Tomography (PET)
The intent of this research protocol is to test the equivalency of two amyloid imaging drugs (C11 Pittsburgh Compound B and F18 Flutemetamol).
- Trial name
- NCT01607476
- Testing
- C11 PiB, F18 Flutametamol
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Down Syndrome, Amyloid Beta-protein
Phase II Study of Florbetaben (BAY94-9172) PET Imaging for Detection/Exclusion of Cerebral β-amyloid.
To determine the sensitivity of the visual assessment of BAY94-9172 PET images in detecting cerebral β-amyloid in individuals with Down Syndrome (DS) and specificity in individuals without DS.
- Trial name
- NCT00928304
- Testing
- Florbetaben (BAY94-9172)
- Where
- 2 sites in United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Lantheus Biosciences Ltd.
Nicotine Dependence
Nicotine Dependence, Withdrawal and Replacement Therapy Assessed by PET Imaging
The proposed research will provide significant new gender-specific information of scientific and clinical relevance on the function of the mu-opioid system in nicotine dependence and therapeutic effectiveness of nicotine…
- Trial name
- NCT01664741
- Testing
- Nicotine patch - transdermal
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Coronary Artery Disease
A Study of 123I-CMICE-013 Radiopharmaceutical in Healthy Volunteers
The need exists for alternatives to 99mTc based perfusion radiotracers for cardiac patient management. An alternative radiotracer, I123-CMICE-013, has been developed at the Canadian Molecular Imaging Center of Excellence (C-MICE)…
- Trial name
- CMICE (NCT01558362)
- Testing
- 123I-CMICE-013
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Peripheral Artery Disease
Optical Imaging Measurement of Intravascular Solution Efficacy Trial
Iodinated contrast is the current gold standard for infrainguinal angiography imaging in patients without renal insufficiency and has also been used with intravascular Optical Coherence Tomography (iOCT) to improve image quality…
- Trial name
- OPTIMISE (NCT01743872)
- Testing
- Contrast Injection, Dextran Injection, CO2 Injection
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Alzheimer's Disease, Mild Cognitive Impairment
A Phase II Trial of Florbetapir (18F) Positron Emission Tomography (PET) Imaging in Japan of Healthy Volunteers, Patients With Mild Cognitive Impairment (MCI) and Patients With Alzheimer's Disease (AD)
Evaluate florbetapir (18F) positron emission tomography (PET) imaging for distinguishing Japanese healthy control subjects, from Japanese subjects with Alzheimer's disease (AD) or Mild cognitive impairment (MCI).
- Trial name
- NCT01662882
- Testing
- florbetapir (18F)
- Where
- 2 sites in Japan
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Avid Radiopharmaceuticals
Healthy
Evaluation of [11C]Cimbi-36 as an Agonist PET Radioligand for Imaging of 5-HT2A Receptors
The purpose of this project was to introduce the recently developed positron emission tomography (PET) tracer [11C]Cimbi-36 for use in clinical studies and to investigate the ability of the tracer to quantify the 5-HT2A receptor…
- Trial name
- NCT01778686
- Testing
- Citalopram and Pindolol, Acute tryptophan depletion
- Where
- Denmark
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Gitte Moos Knudsen