Clinical trials: Radiation Dosage
No Evidence of Disease
Celecoxib in Preventing the Damaging Effects of Sunburn in Healthy Volunteers
This randomized clinical trial studies if celecoxib will prevent the damaging effects of sunburn in healthy volunteers. Exposure to ultraviolet light can induce erythema, sunburn or skin redness caused by inflammation.
- Trial name
- NCT02099136
- Testing
- UV Light Therapy, Celecoxib, Biopsy
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Normal CT Scan, Dysplasic Disease
Dose-Quality Study in the Temporal Bone Computed Tomography in Routine Care
Because of the complexity of the structures studied, imaging the temporal bone requires compliance with a number of image quality criteria, in order to achieve optimum spatial resolution of the most clinically relevant anatomical…
- Conditions
- Normal CT Scan, Dysplasic Disease, Tumoral Disease, Infectious Disease
- Trial name
- NCT06827106
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aix Marseille Université
Nausea, Vomiting
A Single Dose, 4-Period, 2-Treatment Replicate Design Bioequivalency Study of Granisetron Hydrochloride 1 mg Tablets Under Fed Conditions
The objective of this study was to assess bioequivalence of a potential generic 1 mg granisetron tablet formulation compared with Roche Laboratories' 1 mg granisetron tablet, Kytril, following a single 1 mg dose, under fed…
- Trial name
- NCT00618111
- Testing
- Granisetron
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Roxane Laboratories
Non-small Cell Lung Cancer, Non-small Cell Carcinoma
Combining ICI With SBRT or HypoFrx-RT for ES NSCLC
This study will explore the best dose of radiation to be used when treating stage I-III non-small cell lung cancer (NSCLC) with stereotactic body radiation therapy (SBRT) or hypo-fractionated radiotherapy (HypoFrx-RT) that is…
- Conditions
- Non-small Cell Lung Cancer, Non-small Cell Carcinoma, Non-small Cell Lung Cancer Stage I, Non-small Cell Lung Cancer Stage II
- Trial name
- NCT05451173
- Testing
- Stereotactic body radiotherapy, Hypofractionated radiotherapy, Durvalumab
- Where
- China
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Alexander Chi
Coronary Artery Disease
Clinical Values of Dose Reduction Techniques in Computed Tomography (CT) Coronary Artery Imaging With 64-row Multi-Slice Helical CT
To evaluate the clinical values of using dose reduction techniques in 64-row multi-slice CT coronary artery imaging.
- Trial name
- NCT01060657
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- General Hospital of Chinese Armed Police Forces
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
Pancreatic Cancer
A Dose Escalation Trial of Stereotactic Body Radiotherapy (SBRT) After Induction Chemotherapy for Locally Advanced Pancreatic Cancer
The purpose of this study is to find out the maximum dose of SBRT that can be safely given after chemotherapy for treatment of pancreatic cancer that cannot be removed surgically.
- Trial name
- NCT02643498
- Testing
- Stereotactic Body Radiotherapy (SBRT)
- Where
- 7 sites in United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Vitamin D Status
Maintenance of Vitamin D Level by UVB Radiation
The purpose of the study is to determine the frequency of UVB radiations necessary to maintain the Vitamin D level during winter time.
- Trial name
- NCT01101243
- Testing
- Broadband UVB, Control group
- Where
- Denmark
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Healthy
Novel Positron Emission Tomography (PET) Radiotracer to Image Phosphodiesterase-4B (PDE4B)
Background: The new drug 18F-PF-06445974 has a little radioactivity. This can be seen by a positron emission tomography (PET) scan. The drug helps researchers see a protein, PDE4B, in the brain.
- Trial name
- NCT03030391
- Testing
- PET, MRI
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
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
Breast Neoplasms
Comparison of Full-Field Digital Mammography With Digital Breast Tomography for Screening Call-Back Rates
This multicenter trial using Hologic digital mammography units will evaluate the specificity of 2-D full field digital mammography (FFDM) versus a combination of 2-D and 3-D tomosynthesis imaging in breast cancer screening.
- Trial name
- NCT01236781
- Testing
- Screening Tomosynthesis, Diagnostic Tomosynthesis
- Where
- 2 sites in United States
- Volunteers
- 558 people, healthy volunteers welcome
- Sponsor
- American College of Radiology
Malignant Neoplasm of Breast, Hodgkin Disease
Defining PET / CT Protocols With Optimized F18-FDG (Fluorodeoxyglucose) Dose, Focusing on Reduced Radiation Dose and Improved Image Quality
Identify the best combination of predictive variables that influence ionizing radiation dose and improved image quality through analysis and quantification of PET-CT images in simulators and patients.
- Conditions
- Malignant Neoplasm of Breast, Hodgkin Disease, Non-Hodgkin Lymphoma, Follicular (Nodular), Malignant Neoplasm of Bronchus and Lung
- Trial name
- pet-ct (NCT02378337)
- Testing
- Image quantify
- Where
- Brazil
- Volunteers
- 335 people, healthy volunteers welcome
- Sponsor
- Hospital Sao Rafael
Healthy
PET Whole Body Imaging Using a Peripheral Benzodiazepine Receptor Ligand [C-11]PBR28
In this study we will examine where the radioactive tracer [11C]PBR28 is distributed in the body of healthy volunteers to calculate the radiation exposure to organs of the body.
- Trial name
- NCT00407693
- Testing
- [C-11]PRB28
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Radiation Exposure
Hyper Adduction of Right Radial Artery/Arm vs Left Drag Over Technique
Several studies have shown that operator exposure via left transradial catheterization has yielded less operator exposure compared to standard right transradial procedure.
- Trial name
- HARRA (NCT05833516)
- Testing
- Cardiac Catheterization
- Where
- United States
- Volunteers
- 534 people, healthy volunteers welcome
- Sponsor
- Maimonides Medical Center
Cervical Cancer
Radiation With Chemotherapy and a Study Drug to the Para-Aortic Nodes in Cervical Cancer
Investigator has since decided not to pursue this protocol further. No patients were enrolled. This study is to determine the maximum tolerated dose of external beam radiation to the para-aortic lymph nodes using intensity…
- Trial name
- NCT00137358
- Testing
- Radiation Therapy, Cisplatin, Amifostine
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Healthy Volunteer Study
Phase 1 BIO 300 Oral Suspension
This is a two-part study of BIO 300 Oral Suspension in healthy male and female volunteers. The first part is a multiple ascending dose (MAD) study to test the safety, pharmacokinetics (PK) and pharmacodynamics (PD) of the drug…
- Trial name
- NCT06741345
- Testing
- BIO 300 Oral Suspension
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Humanetics Corporation
Bone Metastases, Radiotherapy Side Effect
A Prospective Randomized Trial of High Dose Versus Standard Dose Stereotactic Radiotherapy for Pain Control in Patients With Bone Metastases
In the present study, we will prospectively evaluate the pain response and treatment failure rate to determine the most favorable radiation dose in single fraction stereotactic radiotherapy using the modern highly conformal…
- Trial name
- NCT04063254
- Testing
- Stereotactic Radiotherapy
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
AI (Artificial Intelligence), Mammary Cancer
Experiment on the Use of Innovative Computer Vision Technologies for Analysis of Medical Images in the Moscow Healthcare System
It is planned to integrate various services based on computer vision technologies for analysis of the certain type of x-ray study into Moscow Unified Radiological Information Service (hereinafter referred to as URIS).
- Conditions
- AI (Artificial Intelligence), Mammary Cancer, Lung Cancer, X-Rays; Lesion
- Trial name
- NCT04489992
- Where
- Russia
- Volunteers
- 133,000 people, healthy volunteers welcome
- Sponsor
- Research and Practical Clinical Center for Diagnostics and Telemedicine Technologies of the Moscow Health Care Department
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