Clinical trials: Choroid
Choroid, Retina
Effect of Different Wavelengths of Repeated Low-Level Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensity of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05796856
- Testing
- repeated low level light device (Eyerising [Suzhou Xuanjia Optoelectronics Technology)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Choroid Disease, Carotid Stenosis
Ophthalmologic Outcomes in Patients With Carotid Artery Stenosis
The retinal vessels have been shown to reflect vascular changes inherent to systemic pathologies, even when no ocular disease is identified.
- Conditions
- Choroid Disease, Carotid Stenosis, Carotid Atherosclerosis, Retinal Disease
- Trial name
- NCT05623293
- Testing
- eye - Optcial coherence tomography
- Where
- Portugal
- Volunteers
- 40 people
- Sponsor
- Universidade do Porto
Uveitis, Conjunctivitis
Ocular Manifestations in Rheumatic Diseases
This is a search strategy for determining the prevalence of ocular complications in inflammatory rheumatic diseases for the purposes of a meta analysis.
- Conditions
- Uveitis, Conjunctivitis, Keratoconjunctivitis Sicca, Xerophthalmia
- Trial name
- NCT03753893
- Testing
- No intervention used
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Epinephrine Toxicity, Cataract
The Effect of Intracameral Carbachol and Epinephrine on Choroidal Thickness
81 eyes of 81 patients undergoing cataract surgery were included in this prospective interventional study. During cataract surgery, intracameral carbachol was applied to 27 eyes, intracameral epinephrine was administered to 20…
- Conditions
- Epinephrine Toxicity, Cataract, Carbachol Adverse Reaction, Choroid Disease
- Trial name
- NCT05225597
- Testing
- Intracameral administration of epinephrine and carbachol during cataract surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 81 people
- Sponsor
- Ordu University
Brain Tumors, Metastatic Disease
Donepezil in Treating Patients Who Have Undergone Radiation Therapy for Brain Tumors
RATIONALE: Donepezil may help lessen confusion and fatigue and improve mood and quality of life in patients who have undergone radiation therapy for brain tumors.
- Trial name
- NCT00369785
- Testing
- donepezil hydrochloride
- Where
- 16 sites in United States
- Volunteers
- 198 people
- Sponsor
- Wake Forest University Health Sciences
Brain and Central Nervous System Tumors, Radiation Toxicity
Phase II Studies Of Donepezil And Ginkgo Biloba In Irradiated Brain Tumor
RATIONALE: Donepezil and EGb761 may be effective in improving neurocognitive function (such as thinking, attention, concentration, and memory) and may improve quality of life in patients who have undergone radiation therapy to…
- Trial name
- NCT00070161
- Testing
- EGb761, donepezil hydrochloride, cognitive assessment
- Where
- 4 sites in United States
- Volunteers
- 68 people
- Sponsor
- Wake Forest University Health Sciences
Central Nervous System Tumor, Pediatric, Chemotherapy-induced Nausea and Vomiting
Acupressure in Controlling Nausea in Young Patients Receiving Highly Emetogenic Chemotherapy
RATIONALE: Acupressure wristbands may prevent or reduce nausea and caused by chemotherapy. It is not yet known whether standard care is more effective with or without acupressure wristbands in controlling acute and delayed…
- Conditions
- Central Nervous System Tumor, Pediatric, Chemotherapy-induced Nausea and Vomiting, Unspecified Childhood Solid Tumor, Protocol Specific
- Trial name
- SCUSF1202 (NCT01346267)
- Testing
- Real Acupressure Band
- Where
- 25 sites in United States, Canada
- Volunteers
- 187 people
- Sponsor
- University of South Florida
Pediatric Disorder, Vitamin D Deficiency
Retinal Changes in Vitamin D Deficiency
Retinal tissue parameters of pediatric patients with vitamin D deficiency will be evaluated in this prospective case-control study. The patients will be divided into 2 groups according to the vitamin D level.
- Conditions
- Pediatric Disorder, Vitamin D Deficiency, Retinal Disease, Choroidal Disease
- Trial name
- VDD (NCT04891211)
- Testing
- Vitamin D deficiency
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Adiyaman University
Choroid
Three-dimensional Choroidal Vascularity Index in Common Fundus Diseases
Explore the changes of choroidal blood perfusion in common fundus diseases by three-dimensional choroidal vascularity index, an optical coherence tomography (OCT) parameter.
- Trial name
- NCT04790084
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Childhood Choroid Plexus Tumor, Childhood Ependymoblastoma
Palbociclib Isethionate in Treating Younger Patients With Recurrent, Progressive, or Refractory Central Nervous System Tumors
This phase I trial studies the side effects and best dose of palbociclib isethionate in treating younger patients with central nervous system tumors that have grown, come back, or not responded to treatment.
- Conditions
- Childhood Choroid Plexus Tumor, Childhood Ependymoblastoma, Childhood Grade III Meningioma, Childhood High-grade Cerebellar Astrocytoma
- Trial name
- NCT02255461
- Testing
- palbociclib isethionate, pharmacological study, laboratory biomarker analysis
- Where
- 11 sites in United States
- Volunteers
- 35 people
- Sponsor
- Pediatric Brain Tumor Consortium
Childhood Choroid Plexus Tumor, Childhood Medulloblastoma
Study of Fixed vs. Flexible Filgrastim to Accelerate Bone Marrow Recovery After Chemotherapy in Children With Cancer
This randomized phase III trial studies flexible administration of filgrastim after combination chemotherapy to see how well it works compared to fixed administration of filgrastim in decreasing side effects of chemotherapy in…
- Conditions
- Childhood Choroid Plexus Tumor, Childhood Medulloblastoma, Childhood Pineoblastoma, Childhood Soft Tissue Sarcoma
- Trial name
- NCT01987596
- Testing
- filgrastim
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Barbara Ann Karmanos Cancer Institute
Uveal Melanoma, Choroid Neoplasm
Study Evaluating Single and Repeated Intravitreal Doses of ICON-1 in Patients With Uveal Melanoma
The purpose of this study is to evaluate the safety, tolerability, biological activity, pharmacokinetics and pharmacodynamic activity of single and repeated escalating intravitreal doses of ICON-1 in patients with primary uveal…
- Trial name
- NCT02771340
- Testing
- ICON-1
- Where
- 8 sites in United States
- Volunteers
- 10 people
- Sponsor
- Iconic Therapeutics, Inc.
Choroid Physiology
Circadian Macular Volume Changes in the Choroid
Choroidal volume measured fluctuates significantly over a 24 hour time frame.
- Trial name
- CVdi (NCT02223546)
- Where
- Austria
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Vitreous Diseases, Retinal Diseases
Advanced OCT and Adaptive Optics Imaging in Retinal Disease (The ACAD Study)
The objectives of this study include using the new technology of SS-OCT (swept source optical coherence tomography) to evaluate morphological abnormalities of the vitreous, retina and choroid and to assess the repeatability of…
- Conditions
- Vitreous Diseases, Retinal Diseases, Choroidal Diseases
- Trial name
- ACAD (NCT02828215)
- Testing
- Swept-source optical coherence tomography (SS-OCT)
- Where
- United Kingdom
- Volunteers
- 300 people
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Optical Coherence Tomography, Diabetic Retinopathy
A Longitudinal Study of Choroidal Changes After Cataract Surgery in Eyes With Diabetic Retinopathy
To determine the influence of phacoemulsification on choroidal vasculature in patients with diabetic retinopathy (DR) undergoing cataract surgery
- Conditions
- Optical Coherence Tomography, Diabetic Retinopathy, Choroid
- Trial name
- NCT04499768
- Where
- China
- Volunteers
- 46 people
- Sponsor
- Ruijin Hospital
High Myopia, Choroid
Effect of Caffeine on Ocular Circulation in High Myopes
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography.
- Trial name
- NCT03294967
- Testing
- Caffeine, Vitamin E
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Brain and Central Nervous System Tumors, Metastatic Cancer
Acute Side Effects in Patients Who Are Undergoing Stereotactic Radiosurgery for Brain Tumors or Other Brain Disorders
RATIONALE: Learning about the side effects of stereotactic radiosurgery in patients with brain tumors or other brain disorders may help doctors plan treatment and help patients live more comfortably.
- Conditions
- Brain and Central Nervous System Tumors, Metastatic Cancer, Radiation Toxicity
- Trial name
- NCT00255671
- Testing
- Questionnaire
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Case Comprehensive Cancer Center
Effects of the External Testosteron Intake Over the Choroids of the Patients With Androgen Deficiency
Effects of External Testosteron Intake on the Choroid: Enhance-depth Imaging Optical Coherence Tomography Study
According to the results Ciloğlu et al., CSC is related to elevated total testosterone levels. Testosterone may play a role in predisposing males to CSC.
- Trial name
- NCT04342247
- Testing
- external testosteron
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Neon Hospital
Choroid Plexus Tumors
Treatment of Tumors of the Choroid Plexus Epithelium
The goal of this clinical research study is to compare carboplatin to cyclophosphamide when given with etoposide, vincristine, and radiation therapy in the treatment of choroid plexus tumors.
- Trial name
- NCT00500890
- Testing
- Carboplatin, Cyclophosphamide, Etoposide
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- M.D. Anderson Cancer Center