Clinical trials: Tomography
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Retinopathy of Prematurity, Diabetic Retinopathy
Optical Coherence Tomography Angiography (OCT-A) in Children (≥ 6 <14 Years of Age)
Comparison of OCTA to conventional imaging modalities for the diagnosis of eye diseases in children
- Trial name
- OCTAC (NCT03399825)
- Testing
- OCT-A
- Volunteers
- healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Minor Head Injury, Traumatic Brain Injury
Diagnostic Algorithm in Patients With Minor Head Injury
The objective of this prospective study is to evaluate the reliability of plain x-rays vs.cranial computed tomography as a screening method for skull fractures and its prognostic value for intracranial bleeding (ICB).
- Trial name
- NCT00452036
- Where
- Austria
- Volunteers
- 12,500 people
- Sponsor
- Medical University of Vienna
Fabry Disease, Healthy
PET Scans in Normal Volunteers and Patients With Fabry Disease
This study will determine the rate of sugar metabolism in the brain of patients with Fabry disease, a genetic disease of abnormal lipid metabolism.
- Trial name
- NCT00005111
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
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
Scaphoid Bone, Fracture
Computerized Tomography to Help Diagnosis Pediatrics Scaphoid Fractures.
The purpose of this study is to find out whether computerized tomography will be better than plain radiographs in determining pediatrics scaphoid fractures.
- Trial name
- NCT00292006
- Testing
- Computerized tomography
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Bronchopulmonary Dysplasia
Early Predictors of Bronchopulmonary Dysplasia in Extremely Preterm Infants
Bronchopulmonary dysplasia (BPD) remains one of the most common complications in extremely preterm infants despite advances in neonatal intensive care.
- Trial name
- EPIRESP (NCT07771387)
- Where
- Austria
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Evaluate CBCT Protocols in Subjective Image Quality
Validation of X-ray Protocols in Cleft Children
Children born with an alveolar cleft receive bone grafts for improved function and aesthetics. The cleft area is radiologically examined before and post bone graft.
- Trial name
- NCT05351372
- Testing
- Ultra-low dose protocol, Standard dose protocol
- Where
- Sweden
- Volunteers
- 72 people
- Sponsor
- Karolinska Institutet
Lymph Nodes
Inguinal and Axillary LN Size Distribution
Recently, intralymphatic allergen-specific immunotherapy (ILIT) showed promising treatment outcomes for allergic rhinoconjunctivitis.
- Trial name
- NCT06559202
- Testing
- chest and abdominoplevic CT
- Where
- South Korea
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Gachon University Gil Medical Center
Cervical Cancer, Endometrial Cancer
Pelvic Fractures and Radiation Therapy for Cervical Cancer
The goal of this study is to estimate how often pelvic fractures occur in women treated with radiation therapy for either newly diagnosed or recurrent cervical, endometrial, or vaginal cancer.
- Conditions
- Cervical Cancer, Endometrial Cancer, Vaginal Cancer
- Trial name
- NCT00800644
- Testing
- CT or MRI + Blood Test
- Where
- United States
- Volunteers
- 239 people
- Sponsor
- M.D. Anderson Cancer Center
Primary Hyperparathyroidism, Bone Disease
Bone Architectural Parameters in Postmenopausal Women Affected With Primary Hyperparathyroidism
Bone lesions are frequent in primary hyperparathyroidism (PHPT). Conventional measurement by Dual-Energy X-ray Absorptiometry does not provide enough information about the bone impact of excessive parathyroid hormone (PTH)…
- Trial name
- MicrOs (NCT02539498)
- Testing
- HR-pQCT
- Where
- 3 sites in France
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Solitary Pulmonary Nodule, Oncology
18F-2-fluoro-2-deoxy-D-glucose in Positron Emission Tomography Computed Tomography
The study objectives are as follows: To determine the safety of trial 18F-2-fluoro-2-deoxy-D-glucose, produced by a new manufacturer, by surveillance for adverse events in patients having Positron Emission Tomography Computed…
- Conditions
- Solitary Pulmonary Nodule, Oncology, 18F-2-fluoro-2-deoxy-D-glucose, Adverse Event
- Trial name
- NCT04615156
- Testing
- 18F-2-fluoro-2-deoxy-D-glucose
- Volunteers
- 10,000 people
- Sponsor
- Eastern Health, Canada
Chronic Kidney Disease
Non-Invasive Evaluation of Transplant Kidney Using OCT
Optical coherence tomography (OCT) is a rapidly emerging imaging modality that can function as a type of "optical biopsy", providing non-invasive cross-sectional images of tissue architectural morphology in situ and in real-time.
- Trial name
- NCT02084966
- Testing
- Procedure/Surgery: Transplantation: OCT of Kidney Transplant
- Where
- United States
- Volunteers
- 169 people
- Sponsor
- Georgetown University
COVID-19 Pandemic
Retinal and Choroidal Microvascular Parameters in School-age Children in a COVID-19 Infection Pandemic Peak in China
We designed this study to examine whether COVID-19 infection could lead to retinal and choroidal microvascular involvement in school-age children (6-18 years) in a pandemic peak in China.
- Trial name
- NCT05952466
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Guangzhou First People's Hospital
Cystic Fibrosis, Healthy
Real-Time Assessment of Lung Structure and Function in Children and Young Adults With CF Using Electrical Impedance Tomography
The purpose of this study is to determine the ability of electrical impedance tomography (EIT) to identify structural and functional physiological changes that occur with disease progression in cystic fibrosis patients.
- Trial name
- NCT05455671
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Maturation of the Midpalatal Suture and Maxillary Third Molar Mineralization in Healthy Individuals
Correlation Between the Midpalatal Suture Maturity and the Maxillary Third Molar Mineralization: a CBCT Study
Assessing the maturation of the mid-palatal suture is an essential criterion for orthodontic decision-making. However, from a CBCT according to Angelieri's classification , it remains difficult for the practitioner's untrained…
- Trial name
- NCT07181707
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Attitudes About CT Utilization
Patient and Physician Attitudes About Informed Consent for Emergency Department (ED) Computerized Axial Tomography (CT) Scans
Hypothesis: The majority of Emergency physicians and patients do not feel that specific informed consent should be obtained for ED CT scans.
- Trial name
- CT Consent (NCT01174836)
- Testing
- Educational session
- Volunteers
- 77 people
- Sponsor
- Lehigh Valley Hospital
Cystic Fibrosis
Effectiveness of Pulmozyme in Infants With Cystic Fibrosis
This is a study to find out whether Pulmozyme is effective for clearing mucus from the airways of children with cystic fibrosis less than 3 ½ years of age.
- Trial name
- NCT00179998
- Testing
- Recombinant Human DNase (Pulmozyme)
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Nationwide Children's Hospital
Brain Tumor, Primary
Intra-operative Variation in Size of Brain Tumors After Craniotomy
We planned to evaluate the change in tumor dimensions of intraaxial parenchymal tumors after craniotomy by comparing the tumor size on intraoperative ultrasonography (IOUSG) with pre-operative CECT and CEMRI brain.
- Trial name
- NCT04365647
- Where
- India
- Volunteers
- 51 people
- Sponsor
- Sheri Kashmir Institute of Medical Sciences