Clinical trials: Low-dose Radiotherapy
Lung Cancer, Esophageal Cancer
A Multi Tumor, Open Phase I Clinical Study on the Progression of First-line Anti-tumor Therapy Using Cardonizumab Combined With Pulsed Low-dose Rate External Irradiation (PLDR)
At present, the treatment methods for recurrent cancers are very limited. The immune checkpoint inhibitors (ICBs) is a promising new directions for recurrent lung cancer/ esophageal cancer / cervical cancer, but the clinical…
- Conditions
- Lung Cancer, Esophageal Cancer, Cervical Cancer
- Trial name
- NCT06232083
- Testing
- PLDR+Cardunizumab
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Anhui Provincial Hospital
Alzheimer Disease
The Safety and Scientific Validity of Low-dose Whole Brain Radiotherapy in Alzheimer's Disease.
Alzheimer's disease is the most frequent neurocognitive disorder associated with dementia, with a constantly increasing prevalence associated with an aging population.
- Trial name
- NCT04203121
- Testing
- low dose whole brain radiation to treat Alzheimer disease
- Where
- South Korea
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Kyung Hee University Hospital at Gangdong
Cancer, Lung, Cancer Liver
PixelShine vs. Iterative Reconstruction (IR) Processing of CT Images
This study will compare the quality of CT images acquired with very low-dose radiation and processed with commercially available software vs. PixelShine processed images.
- Conditions
- Cancer, Lung, Cancer Liver, X-rays; Effects
- Trial name
- NCT03033615
- Testing
- PixelShine, Conventional processing
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- AlgoMedica, Inc.
Microvascular Dysfunction, Endothelial Dysfunction
Nailfold Capillaroscopy and Endothelial Biomarkers in Healthcare Workers Exposed to Chronic Low-Dose Ionizing Radiation
Chronic occupational exposure to low-dose ionizing radiation may lead to subclinical endothelial dysfunction and early microvascular alterations in healthcare workers.
- Conditions
- Microvascular Dysfunction, Endothelial Dysfunction, Occupational Radiation Exposure
- Trial name
- NCT07363187
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Istanbul Training and Research Hospital
Dehydration, Radiation Exposure
Physical and Cognitive Effects of Fluoroscopy
Background and objectives: The researchers will perform this study to reveal the clinical meaning of fatigue, headache, diarrhea, and impaired cognitive functions that are often expressed verbally in healthcare professionals who…
- Trial name
- NCT04689373
- Testing
- VAS Score
- Where
- Turkey (Türkiye)
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Risk Factors, Polypharmacy
Telecommunication Technology-based Online Survey
The aim of this study is to identify and assess new health-associated risk factors, including clinical-pharmacological risk factors. The cohort is built using telecommunication approaches.
- Conditions
- Risk Factors, Polypharmacy, Drug Interactions, Self Medication
- Trial name
- NCT06159699
- Testing
- Online Survey, Genetic Testing
- Where
- Russia
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
Exposure to Medical Diagnostic Radiation
Low Tube Voltage Computed Tomographic (CT) Urography Using Low Concentration Iodine Contrast Agent
Computed Tomographic (CT) urography is the best imaging modality to evaluate obstructing lesions of urinary tract such as urinary stone, tumor and inflammatory lesion.
- Trial name
- NCT01855204
- Testing
- Computed tomographic urography
- Where
- South Korea
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Patients Treated by Radiotherapy With < One Gy to the Brain
Long Term Neurocognitive Effects of Low-dose Radiation in the Brain: Study of 150 Patients in the French Hemangioma Cohort
Context: Studies that address specifically the neurocognitive consequences that can be caused by low-dose radiation receiving during the childhood have still to be performed.
- Trial name
- CogRad (NCT01960751)
- Testing
- neurocognitive tests battery
- Where
- France
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Congenital Hemolytic Anemia, Sickle Cell Disease
Improving the Results of Bone Marrow Transplantation for Patients With Severe Congenital Anemias
People with severe congenital anemias, such as sickle cell anemia and beta-thalassemia, have been cured with bone marrow transplantation (BMT).
- Trial name
- NCT00061568
- Testing
- Peripheral blood hematopoietic progenitor cell (PBPC) transplant, Alemtuzumab, Peripheral blood hematopoietic progenitor cell Apheresis
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Radiation Protection
Enhancement and Restoring of Low Dose Abdominal CT Images
Through the rapid growth of multislice Computer Tomography (CT) imaging, radiation protection has become a major issue in the radiological community.
- Trial name
- NCT01059032
- Testing
- Using a 3 dimentional post processing filter
- Where
- Norway
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Lars Borgen
Oropharynx Cancer
De-escalation of Adjuvant Radiation for Low-Risk HPV Oropharyngeal Cancers
The goal of this clinical trial is to learn whether for intermediate-risk patients who have undergone Transoral Robotic Surgery for HPV/p16(+) oropharyngeal cancer and have minimal smoking history, whether these patients can be…
- Trial name
- NCT06554158
- Testing
- Radiation Therapy
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Georgetown University
Radiation Dose Reduction
Tin Filter Calcium Scoring
The aim of this study is to prospectively investigate the diagnostic performance and potential radiation dose reduction in coronary artery calcium scoring using the new tin filter system of the 3rd generation DSCT scanner.
- Trial name
- NCT02855528
- Testing
- Tin Filter
- Where
- United States
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Follicular Lymphoma
A Phase II Trial of Intermediate Radiation Dose For Lymphoma
The purpose of this study is to determine the optimal radiation dose fractionation regimen for low grade follicular lymphoma. It is hypothesized that the complete response rate with the use of 12 Gy in 6 daily fractions is 80%…
- Trial name
- NCT05284825
- Testing
- 12 Gy in 6 daily fractions
- Where
- Canada
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Pulmonary Nodules, Multiple
Detection and Volumetry of Pulmonary Nodules on Ultra-low Dose Chest CT Scan With Deeplearning Image Reconstruction Algorithm (DLIR)
evaluate the diagnostic performance of ultra-low dose CT using deep learning-based reconstruction in the detection of pulmonary nodules.
- Trial name
- DLIRTHORAX (NCT04482114)
- Testing
- ULD CT
- Where
- France
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Breast Cancer Female
Early Detection of Cardiovascular Changes After Radiotherapy for Breast Cancer
Breast cancer (BC) radiotherapy leads to coincidental radiation of the heart, resulting in increased risk of a variety of heart diseases.
- Trial name
- EARLY-HEART (NCT03297346)
- Testing
- Cardiac imaging and circulating biomarkers
- Where
- 5 sites in France, Germany and 3 more
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- French Nuclear Safety and Radiation Protection Authority (ASNR)
Radiation Exposure, Radiation Exposure to Operator
Operator Radiation Dose Using Ultra-Low Fluoroscopic Pulse Rate Versus Standard In Performing Coronary Angiography Via Right Radial Artery
The goal of this randomized clinical trial is to determine if there can be reduction in the radiation exposure to the cardiologist performing a coronary angiogram via a right radial artery approach by using a lower fluoroscopic…
- Trial name
- NCT07221175
- Testing
- Ultra low dose fluoroscopic pulse rate, Standard low dose fluoroscopic pulse rate
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Maimonides Medical Center
Genotoxicity, Cytotoxicity
Assessment of Cytotoxicity, Genotoxicity
Goal: The goal of this observational study is to evaluate the genotoxic and cytotoxic effects of OPG and CBCT on exfoliated buccal mucosal cells Main question: Does CBCT cause greater genotoxic and cytotoxic effects on buccal…
- Conditions
- Genotoxicity, Cytotoxicity, Ionizing Radiation Exposure, Dental X-Ray Exposure
- Trial name
- NCT07330401
- Where
- Malaysia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Yaxin Wang