Clinical trials: Angiogram
Circumscribed Choroidal Haemangioma, Optical Coherence Tomography Angiography
Quantitative Evaluation of Parafoveal Microvasculature Changes in Eyes With Exudative Circumscribed Choroidal Haemangioma: An Optical Coherence Tomography Angiography Study
The study aims to quantitative evaluation of parafoveal microvasculature changes in eyes with exudative circumscribed choroidal haemangioma using optical coherence tomography angiography.
- Conditions
- Circumscribed Choroidal Haemangioma, Optical Coherence Tomography Angiography, Macular
- Trial name
- NCT04449900
- Testing
- This is observational study with the examination of OCTA
- Where
- China
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Distal Femoral, Proximal Tibial
Subchondral Perfusion Mapping Using Indocyanin Green Laser
Laser Angiography using indocyanin green (ICG) is a relatively new technique and has been utilized to assess the viability of soft tissue, most prominently in the general surgery and plastic surgery literature.
- Conditions
- Distal Femoral, Proximal Tibial, Knee Surgery
- Trial name
- ICG (NCT02918383)
- Testing
- Indocyanin Green Dye (ICG)
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Angiography, Glaucoma, Open-Angle
The Relationship Between Macular OCTA and GCIPL and Their Combinational Index Using AI
Macular GCIPLT and vessel density will be measured with Spectralis optical coherence tomography and Topcon swept-source OCT respectively.
- Trial name
- NCT03369886
- Testing
- Optical Coherence Tomography Angiography (OCTA)
- Where
- South Korea
- Volunteers
- 206 people, healthy volunteers welcome
- Sponsor
- Pusan National University Hospital
Retinal Vascular
Physiologic Changes of Posterior Ocular Segment During the Menstrual Cycle
Changes of luteinizing hormone (LH), estrogen and progesterone during the menstrual cycle influence the ocular physiology in both anterior and posterior segments.
- Trial name
- NCT04731207
- Testing
- Optovue®
- Where
- Thailand
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Diabetic Retinopathy
WF and PR OCTA in Diabetic Retinopathy
Diabetic retinopathy (DR) is a leading cause of vision loss in working-age Americans. Capillary damage from hyperglycemia causes vision loss through downstream effects, such as retinal ischemia, edema, and neovascularization…
- Trial name
- NCT03922932
- Where
- United States
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Cataract, Diabetic Retinopathy
Diabetic Retinopathy and OCT-A Changes Post-cataract Surgery
The purpose of this study is to use optical coherence tomography angiography (OCT-A) to compare retinal vasculature after uncomplicated cataract surgery in patients with and without diabetic retinopathy.
- Conditions
- Cataract, Diabetic Retinopathy, Macular Edema Due to Diabetes Mellitus
- Trial name
- NCT04660006
- Testing
- Cataract surgery
- Where
- Canada
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Chronic Musculoskeletal Disease, Transarterial Embolization
The Combined Utility of Angio-CT and MRI in Managing Chronic Musculoskeletal Pain: a Prospective Study to Evaluate the Efficacy of Transarterial Microembolization
Transarterial microembolization (TAME) is a novel treatment option for chronic musculoskeletal pain, especially suitable for patients who have not responded to conservative treatment or are unsuitable for surgical procedures.
- Conditions
- Chronic Musculoskeletal Disease, Transarterial Embolization, Magnetic Resonance Imaging, Angiography
- Trial name
- NCT06509087
- Testing
- Transarterial microembolization (TAME)
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tri-Service General Hospital (TSGH)
Glaucoma
Retinal Blood Flow and Autoregulation
The purpose of this study is to establish autoregulation of retinal blood flow in arterioles and capillaries as a biomarker for early primary open angle glaucoma.
- Trial name
- NCT05344274
- Testing
- Indocyanine Green Angiography, Isocapnic Oxygen, Ocular Imaging with Optical Coherence Tomography (OCT) and Adaptive Optics (AO)
- Where
- 4 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Coronary Artery Disease (CAD) (E.G., Angina, Myocardial Infarction, and Atherosclerotic Heart Disease (ASHD))
Expansion of SCG/GCG-Based CAD Sceering: Inclusion of Healthy Controls and CCTA Patients
This study evaluates a new, non-invasive method for screening coronary artery disease (CAD) using seismocardiography (SCG) and gyrocardiography (GCG).
- Trial name
- HF-CAD-CCTA (NCT06880133)
- Testing
- Seismocardiography (SCG) and Gyrocardiography (GCG) Screening
- Where
- Uzbekistan
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- Heart Force Medical Inc.
Abdominal Aortic Aneurysm
Carbon Dioxide Guided Angiography in Endovascular Abdominal Aortic Aneurysm Repair
Endovascular aneurysm repair (EVAR) has lower short-term morbidity and mortality than open surgery. Intra-arterial contrast agents are an important component of successful EVAR as the tool of choice for preoperative evaluation of…
- Trial name
- NCT04444999
- Testing
- Carbon Dioxide Angiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Multi Vessel Coronary Artery Disease
Angiogram Based Fractional Flow Reserve in Patients With Multi-Vessel Disease
This is a prospective, observational, single-center, single-arm, clinical trial designed to assess the efficacy of FFRangio in measuring FFR obtained from angiography compared to Invasive FFR for diagnosing hemodynamically…
- Trial name
- NCT03455244
- Testing
- FFRangio
- Where
- Japan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- CathWorks Ltd.
Retinal Vascular
Physiologic Change of Posterior Ocular Segment During Pregnancy
Women's physiology changes markedly during normal pregnancy. The most distinct alterations occur in the hormonal and cardiovascular systems. There is a dramatic increase in both estrogen and progesterone.
- Trial name
- NCT04731415
- Testing
- Optical coherence tomography and optical coherence tomography angiography (Optovue®)
- Where
- Thailand
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Pain, Anxiety
Effect of Acupressure on Pain, Anxiety and Vital Signs in Patients With Coronary Angiography
The study was planned to determine the effect of acupressure on pain, anxiety and vital signs of patients with coronary angiography.
- Conditions
- Pain, Anxiety, Vital Signs, Coronary Angiography
- Trial name
- NCT05082506
- Testing
- Acupressure
- Where
- Cyprus
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Eastern Mediterranean University
Pregnancy Related
Retinal and Choroidal Microvascular Changes During Pregnancy Period Detected With Optical Coherence Tomography Angiography
During pregnancy many physiological changes and adaptations occur.Hormonal, hematological and hemodynamic changes are responsible for most of the ocular adaptations.We are planning to compare the choroid and retinal blood flow…
- Trial name
- NCT04950855
- Testing
- Optical Coherence Tomography,Optical Coherence Tomography Angiography(Topcon)
- Where
- Turkey (Türkiye)
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
Large Vessel Vasculitis, Takayasu Arteritis
Long-Axial Field of View (LAFOV) [18F]FDG PET/CT Imaging in Large Vessel Vasculitis (LVV): Protocol Optimisation Study.
Large vessel vasculitis (LVV) is an autoimmune inflammatory disorder affecting the major arteries of the body. The diagnosis and monitoring this condition can be challenging, as patients often present with symptoms that are…
- Conditions
- Large Vessel Vasculitis, Takayasu Arteritis, Giant Cell Arteritis (GCA)
- Trial name
- LAVA-FLOW (NCT07628075)
- Testing
- [18F]FDG Long-Axial Field of View (LAFOV)-PET/CT, CT Angiogram, MR Angiogram
- Where
- 3 sites in United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Coronary Artery Disease, Anxiety
Music Listenıng And Training Before Coronary Angıography
The aim of this study was to investigate the effects of education and music listening on the anxiety and physiological parameters experienced by individuals undergoing elective coronary angiography.
- Conditions
- Coronary Artery Disease, Anxiety, Music, Education
- Trial name
- NCT04651075
- Testing
- music listening, individual training
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Abant Izzet Baysal University
Perforator Flap Surgery
Comprehensive Imaging of Perforator Vessels and Subcutaneous Vascular Network With No-Exogenous Contrast and Non-Ionizing-Radiation Magnetic Resonance Angiography
In this study the investigators plan to enroll a total of 25 evaluable volunteers (volunteer population) for the development and optimization of perforator imaging protocols and 50 evaluable clinical patients receiving flap…
- Trial name
- NCT03567018
- Testing
- MRI Scan
- Where
- 2 sites in United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Cincinnati
Procedural Pain, Procedural Anxiety
The Effect of Music Therapy and Breathing Exercise on Anxiety and Pain in Patients Undergoing Coronary Angiography
Coronary angiography serves as the primary diagnostic technique for cardiovascular disease. However, this invasive procedure commonly triggers pain, anxiety, and fear in patients.
- Trial name
- NCT06264960
- Testing
- Music therapy, Breathing exercise
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- Ulku Gunes
Choroidal Neovascular Membrane In Wet Age Related Macular Degeneration And In Pathological Myopia
Optical Coherence Tomography Angiography Criteria Of The Choroidal Neovascular Membrane In Wet Age Related Macular Degeneration And In Pathological Myopia (Comparative Study).
This study aims to compare choroidal neo-vascular membrane criteria in cases of age-related macular degeneration and cases of pathological myopia.
- Trial name
- NCT05562336
- Testing
- Optical coherence tomography angiography
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Sohag University
Retinal Microcirculation Disorder
Influence of Daily Activities on Retinal Microcirculation
The daily behaviors such as drinking coffee, wine, reading, exercise and body postural changes may have influence on the function or morphology of the retinal microcirculation in healthy people.A recent study found that the…
- Trial name
- NCT03416088
- Testing
- Beverage consumption, Daily reading, Body motion
- Where
- China
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Jiannan Huang