Clinical trials: Retinal Function
Thyroid Carcinoma, Thyroid Nodule (Benign)
Function Integrity of Neck Anatomy in Thyroid Surgery
Recent trends in the management of patients with low-risk papillary thyroid carcinoma who have a nonsuspicious or cytologically benign contralateral nodule call into question the need for routine total thyroidectomy.
- Conditions
- Thyroid Carcinoma, Thyroid Nodule (Benign), Ablation; Retina
- Trial name
- NCT04666103
- Testing
- Intraoperative thermal ablation
- Where
- China
- Volunteers
- 1,264 people
- Sponsor
- Wuhan University
AMD - Age-Related Macular Degeneration
Repeated Low-Level Red-Light Therapy in Dry Age-Related Macular Degeneration
This prospective, double-blind, randomized controlled trial aims to evaluate the efficacy and safety of repeated low-level red-light (RLRL) therapy in patients with dry age-related macular degeneration (AMD).
- Trial name
- NCT07409389
- Testing
- RLRL device
- Where
- China
- Volunteers
- 94 people
- Sponsor
- The Hong Kong Polytechnic University
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Diabetic Retinopathy, Vitreomacular Traction
Methotrexate Infusion and Intrasilicone Injection During Diabetic Vitrectomy
The goal of this interventional clinical trial is to assess anatomical and functional outcomes of methotrexate use in irrigating fluid during parsplana vitrectomy combined with intrasilicone injection at end of surgery in…
- Trial name
- NCT06038968
- Testing
- Methotrexate 25 MG/ML, parsplana vitrectomy
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Minia University
Type 2 Diabetes, Microvascular Function
The Effect of Pyridoxamine Supplementation on Microvascular Function in Type 2 Diabetes
Patients with type 2 diabetes have an increased risk of developing vascular complications. Microvascular dysfunction might be caused by the increased production of methylglyoxal under hyperglycaemic conditions.
- Conditions
- Type 2 Diabetes, Microvascular Function, Retinopathy, Diabetic, Nephropathy, Diabetic
- Trial name
- PYRAMID (NCT06376240)
- Testing
- Pyridoxamine 300mg per day
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- Maastricht University Medical Center
Solid Tumors With PTCH1 Loss-of-function Mutations
A Study Evaluating the Safety and Efficacy of ENV-101 (Taladegib) in Patients With Advanced Solid Tumors Harboring PTCH1 Loss of Function Mutations
This study employs a 2-stage design that aims to evaluate the efficacy and safety of ENV- 101, a potent Hedgehog (Hh) pathway inhibitor, in patients with refractory advanced solid tumors characterized by loss of function (LOF)…
- Trial name
- NCT05199584
- Testing
- ENV-101 (taladegib)
- Where
- 16 sites in United States
- Volunteers
- 20 people
- Sponsor
- Endeavor Biomedicines, Inc.
Primary Open Angle Glaucoma
Correlation of Optic Disk Morphology and Ocular Perfusion Parameters in Patients With Primary Open Angle Glaucoma
Glaucoma is one of the most common causes of blindness in the industrialized nations. For a long time glaucoma has been defined as a disease in which high intraocular pressure (IOP) leads to irreversible optic disc damage and…
- Trial name
- NCT00803504
- Testing
- ocular blood flow measurement
- Where
- Austria
- Volunteers
- 103 people
- Sponsor
- Medical University of Vienna
Macular Degeneration, Dry, Primary Open-angle Glaucoma
Retinal Photoreceptor Outer Segment Length Before and After Light Stimulation - a Pilot Study
It has been shown that reactions of human retinal photoreceptors to a light stimulus can be measured with custom-made, research prototype optical coherence tomography (OCT) systems.
- Trial name
- NCT03921931
- Testing
- White light stimulation
- Where
- Austria
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Age-Related Macular Degeneration
Treatment of Diabetic Macular Edema With 0.5mg Intraocular Ranibizumab (Lucentis)
In this prospective, open-label clinical study is to investigate the behavior of the retinal functions during development of diabetic macular disease (DME) under the influence of Lucentis.
- Trial name
- NCT01638858
- Testing
- Lucentis (Ranibizumab)
- Where
- Germany
- Volunteers
- 25 people
- Sponsor
- University of Luebeck
Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion
Retinal Oxygen Saturation, Blood Flow, Vascular Function and High Resolution Morphometric Imaging in the Living Human Eye
Canadians fear loss of vision more than any other disability. Vision loss has an enormous impact on quality-of-life and is extremely costly from a societal and economic perspective.
- Conditions
- Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion, Branch Retinal Vein Occlusion, Central Retinal Vein Occlusion
- Trial name
- NCT01348633
- Where
- Canada
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Hypercholesterolemia
Effect of Irbesartan on Endothelial Function of the Retinal Vasculature in Patients With Hypercholesterolemia
The retinal vasculature is morphologically and functionally related to the cerebral vessels due to its common origin from the internal carotid artery.
- Trial name
- NCT00152698
- Testing
- Irbesartan
- Where
- Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Amblyopia ex Strabismus, Amblyopia ex Anisometropia
Neurovascular Coupling in Subjects With Amblyopia
Amblyopia is a developmental condition that is characterized by reduced vision of the eye due to the presence of a sensory impediment during visual development, such as strabismus (ocular misalignment) or anisometropia (unequal…
- Trial name
- NCT01746693
- Testing
- Dynamic Vessel Analyzer, Laser Doppler Velocimetry, 7-Tesla MRI
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Presence of Retinal Fluid, Changes in Macular Pigment Optical Density
Aflibercept 8 mg for nAMD: Early Anatomical and Functional Changes
Neovascular age-related macular degeneration (nAMD) is one of the main causes of irreversible vision loss in older people worldwide.
- Trial name
- NCT07074054
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Federico II University
Arterial Hypertension
Aliskiren on Retinal Vasculature Treatment Study
Hypertension affects approximately one fourth of the world population and therefore contributes substantially to the worldwide burden of cardiovascular (CV) disease and end-organ damage.
- Trial name
- ARTS (NCT01318395)
- Testing
- Aliskiren
- Where
- 2 sites in Germany
- Volunteers
- 56 people
- Sponsor
- University of Erlangen-Nürnberg Medical School
Open Angle Glaucoma, Low Tension Glaucoma
Validation of Retinal Oximetry in Glaucoma Patients: a Structural and Functional Correlation
Retinal ischemia is thought to play an important role in the pathogenesis of glaucoma. Up until today, very little is known about the metabolic alterations in the retina of glaucoma patients, since only techniques for surrogate…
- Trial name
- NCT01391247
- Where
- Belgium
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Retinal Detachment, Vitrectomy
Functional and Morphological Results of Rhegmatogenous Retinal Detachment Treated With Vitrectomy
To examine morphological and functional results after pars plana vitrectomy (PPV) with SF6 gas tamponade due to macula-on and macula-off rhegmatogenous retinal detachment (RRD) during six months of the follow-up.
- Trial name
- NCT03902795
- Testing
- Microperimetry, M-charts
- Where
- Poland
- Volunteers
- 62 people
- Sponsor
- Medical University of Lublin
Ocular Physiology
Short Term and Day to Day Reproducibility of Reflectometric Measurement of Retinal Oxygen Saturation in Healthy Subjects
Adequate perfusion and oxygenation is essential for the function of the inner retina. Although this is a well known fact, measurement of oxygen saturation in the eye is still a delicate and not fully explored task.
- Trial name
- NCT00991900
- Testing
- Measurement of oxygen saturation of retinal vessels with optical reflectometer
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Proliferative Diabetic Retinopathy, Macular Edema
Morphological and Functional Retinal Changes Following Retinal Photocoagulation
Imaging of retinal morphological changes with time secondary to laser treatment as assessed with high definition optical coherence tomography (OCT).
- Trial name
- pascal (NCT00682240)
- Testing
- laser treatment with PASCAL®, laser treatment with conventional laser system
- Where
- Austria
- Volunteers
- 64 people
- Sponsor
- Medical University of Vienna
Preeclampsia (PE), Endothelial Dysfunction
Does Nicotine Influence the Risk of Preeclampsia?
This prospective cohort study explores the long-term impact of pre-pregnancy smoking on vascular health in women predisposed to preeclampsia, conducted at the Medical University of Graz.
- Conditions
- Preeclampsia (PE), Endothelial Dysfunction, Hypertension in Pregnancy
- Trial name
- PRE_Smoking (NCT06645340)
- Testing
- This high-risk cohort underwent the same measurements during pregnancy: endothelial function, arterial stiffness, retinal microvasculature profile, measurement of Neprilysin, cotinine, telomere length
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Medical University of Graz
Retina, Ocular Physiology
Effect of Xalacom® (Latanoprost/Timolol) and Combigan® (Brimonidine/Timolol) Fixed Combination on Intraocular Pressure and Ocular Blood Flow in Patients With Primary Open Angle Glaucoma or Ocular Hypertension
Glaucoma is one of the most common causes of blindness in the industrialized nations. For a long time glaucoma has been defined as a disease in which high intraocular pressure (IOP) leads to irreversible optic disc damage and…
- Trial name
- NCT00706927
- Testing
- latanoprost 0.005% + timolol 0,5% fixed combination, brimonidine 0,2% + timolol 0,5% fixed combination
- Where
- Austria
- Volunteers
- 16 people
- Sponsor
- Medical University of Vienna