Clinical trials: Computed Tomography, completed
Dental Implants, Early Peri-Implant Bone Remodeling
Buccal Prosthetic Contour Angles and Peri-Implant Tissue Changes Around Dental Implants
This retrospective observational study aims to evaluate the association between buccal prosthetic profile angles at different supraplatform zones and peri-implant tissue changes around bone-level dental implants restored with…
- Conditions
- Dental Implants, Early Peri-Implant Bone Remodeling, Peri-Implant Soft Tissue Remodeling
- Trial name
- B-PROFILE (NCT07637864)
- Testing
- Implant-Supported Prosthetic Restoration
- Where
- Taiwan
- Volunteers
- 72 people
- Sponsor
- Chang Gung Memorial Hospital
Pulmonary Nodule, Solitary, Lung Cancer
3D Printing for Nodule Localization
Implementation of lung cancer screening using low-dose computed tomography has increased the rate of detection of small peripheral pulmonary nodules.
- Trial name
- NCT04056923
- Testing
- 3D-printing guided, CT-guided, Indocyanine Green
- Where
- China
- Volunteers
- 47 people
- Sponsor
- Wen-zhao ZHONG
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
Skeletal Class III Malocclusion
Surgery-First Orthognathic Surgery in Skeletal Class III Treatment
This study evaluates the efficacy and stability of the "Surgery-First" approach (SF approach) in treating patients with skeletal Class III malocclusion, utilizing a combined retrospective and prospective data collection method.
- Trial name
- NCT07433842
- Testing
- Surgery-First Orthognathic Surgery
- Where
- Vietnam
- Volunteers
- 60 people
- Sponsor
- Hanoi Medical University
Pulmonary Embolism
Multi-Detector Spiral Computed Tomography Alone Versus Combined Strategy With Lower Limb Compression Ultrasonography in Outpatients Suspected of Pulmonary Embolism
The main hypothesis for this study is that the diagnostic approach of pulmonary embolism (PE) by evaluation of clinical probability, D-dimer test dosage and multi-detector helical computed tomography (hCT) is as safe as the…
- Trial name
- NCT00117169
- Testing
- multi-detector helical computed tomography
- Where
- Switzerland
- Volunteers
- 1,500 people
- Sponsor
- University Hospital, Geneva
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
Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma
Fluciclovine and PSMA PET/CT for the Classification and Improved Staging of Invasive Lobular Breast Cancer
This phase I trial studies how well fluciclovine positron emission tomography (PET)/computed tomography (CT) and PSMA PET/CT work in helping doctors understand and classify invasive lobular breast cancer in patients with invasive…
- Conditions
- Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Lobular Carcinoma, Metastatic Breast Lobular Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
- Trial name
- NCT04750473
- Testing
- Computed Tomography, Fluciclovine F18, Gallium Ga 68 Gozetotide
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Stomach Neoplasm
The Origin of Infrapyloric Artery
Infrapyloric artery(IPA) is of great importance for gastric cancer patients. According to previous study, the origin of IPA varies greatly among different studies.
- Trial name
- IPA-Origin (NCT03071237)
- Testing
- Gastrectomy
- Where
- China
- Volunteers
- 429 people
- Sponsor
- Peking University
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
Sickle Cell Disease
Biotin-RBC Transfusion in SCD
This is a single-arm, mechanistic clinical trial to measure predictors of senescence and the in vivo survival of transfused red blood cells (RBCs) in individuals with sickle cell disease (SCD) receiving chronic transfusion…
- Trial name
- NCT04426591
- Testing
- Biotin Labeled Red Blood Cells, Pathogen-reduced Biotin Labeled Red Blood Cells
- Where
- 3 sites in United States
- Volunteers
- 22 people
- Sponsor
- Marianne Yee
Non Small Cell Lung Cancer
CTP Imaging of Lung Cancer
Investigators hope to learn more about how to use computed tomography (CT) scans to measure blood flow in lung tumors and how it may change in response to treatment.
- Trial name
- CTPLC (NCT01823094)
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- University of California, Davis
Coronary Artery Disease (CAD)
Caffeine's Effect on Regadenoson Administration With Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging (MPI)
Observe whether the administration of caffeine prior to regadenoson will affect the interpretation of test results in subjects with coronary artery disease (CAD) undergoing SPECT MPI
- Trial name
- NCT00826280
- Testing
- regadenoson, overencapsulated caffeine, technetium
- Where
- 25 sites in United States
- Volunteers
- 347 people
- Sponsor
- Astellas Pharma Inc
Lung Cancer
Acute and Chronic Pain After Video-assisted Thoracoscopic Surgery for Lung Cancer
The aim of this study is to evaluate whether preoperative CT- guided hookwire localization would influence the incidence and intensity of acute and chronic pain after VATS.
- Trial name
- NCT05478460
- Testing
- Hookwire localization
- Where
- China
- Volunteers
- 161 people
- Sponsor
- Fudan University
Hepatocellular Carcinoma (HCC), Intrahepatic Cholangiocarcinoma (Icc)
Interventional AI-Human Collaboration for Liver Tumor Diagnosis
Recent advances in artificial intelligence (AI), particularly deep learning technology, have transformed medical imaging analysis.
- Conditions
- Hepatocellular Carcinoma (HCC), Intrahepatic Cholangiocarcinoma (Icc), Hepatic Metastasis, Hepatic Hemangioma
- Trial name
- NCT07153783
- Testing
- AI-human collaboration for CE-CTs diagnosis
- Where
- China
- Volunteers
- 10,333 people, healthy volunteers welcome
- Sponsor
- Shengjing Hospital
Reversible Pulpitis, Irreversible Pulpitis
Cytokines as Diagnostic Markers of Pulpal Inflammation and Their Impact on the Outcome of Vital Pulp Therapy
intervention eligible patients with teeth diagnosed with reversible or irreversible pulpits will go for vital pulp therapy and the other group will be patients will go for extraction of caries free teeth for orthodontic reasons…
- Trial name
- Pulp Therapy (NCT07261761)
- Testing
- Vital pulp therapy, Extraction, blood sample collection
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Mansoura University
Contrast Agent, Nausea
Immediate Nausea and Vomiting After the Administration of Non-ionic Contrast Media
The prevalence of nausea and vomiting after the administration of non-ionic contrast media has rarely been assessed. Thus, the aim of our study is to evaluate the prevalence and risk factors of nausea and vomiting after the…
- Trial name
- NCT03019341
- Where
- South Korea
- Volunteers
- 1,175 people
- Sponsor
- Seoul National University Hospital
Lung Cancer Screening, Smoking Cessation
Inpatient Smokers and LDCT Screening Part 2
Lung cancer suffers from large racial and socioeconomic disparities. Yet those at the highest risk of lung cancer death - current smokers, blacks, and individuals with low socioeconomic status (SES) and negative social…
- Trial name
- NCT03793894
- Testing
- Smoking Cessation Counseling, Decision Aid, Shared decision making (SDM)
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Boston University
Gout
Tahiti-families: Polynesian Families of Gout Patients
Gout is a chronic disease caused by the deposit of monosodium urate (MSU) crystals in body tissues secondary to hyperuricemia. Patients with gout suffer severe attacks of acute joint pain.
- Trial name
- Tahiti (NCT04900090)
- Testing
- Epidemiological study
- Where
- French Polynesia
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Lille Catholic University
Trunk Muscle Strength
Validity and Reliability of Trunk Strength Device
The study aims to evaluate the accuracy and consistency of assessing trunk muscle strength using an isometric device (Pegasus, Leipzig, Germany).
- Trial name
- PEGASUS (NCT06330129)
- Testing
- CTT Pegasus
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Schulthess Klinik
Periapical Periodontitis, Bacterial Infections
Adjunctive Steps for Disinfection of Teeth With Primary Endodontic Infections
This study aims to evaluate an endodontic treatment protocol using adjunctive steps for disinfection of teeth with primary endodontic infections.
- Trial name
- NCT03537664
- Testing
- Root canal preparation, Intracanal medication
- Where
- Brazil
- Volunteers
- 45 people
- Sponsor
- University of Sao Paulo
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