Clinical trials: Anterior Segment Diseases
Neurotrophic Keratitis, Neurotrophic Keratopathy
Open-label Trial to Evaluate Efficacy and Safety of rhNGF on Corneal Thickness Via AS-OCT in Neurotrophic Keratitis
Primary Objective: To assess the efficacy of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on overall corneal thickness via AS-OCT in patients with stage 3 neurotrophic keratitis with respect to change from baseline at weeks 4…
- Conditions
- Neurotrophic Keratitis, Neurotrophic Keratopathy, Corneal Ulcer
- Trial name
- IMAGO (NCT06411145)
- Testing
- OXERVATE® 0.002%
- Sponsor
- Dompé Farmaceutici S.p.A
Myopia, Hyperopia
Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive Errors
This study evaluates corneal epithelial thickness using anterior segment optical coherence tomography (AS-OCT) in patients with refractive errors.
- Conditions
- Myopia, Hyperopia, Astigmatism, Emmetropia
- Trial name
- NCT07647146
- Where
- Egypt
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Sohag University
Glaucoma, Glaucoma Following Surgery
Anterior-segment OCT (AS-OCT) and Intraoperative OCT (iOCT) for Trans- Conjunctival Needle Revision (TCNR)
Trabeculectomy is a very important and commonly performed glaucoma operation. It allows fluid from inside the eye to exit into a space called a bleb located on the surface of the eye under the upper eyelid.
- Trial name
- NCT05790408
- Testing
- Digital microscope integrated with intraoperative OCT (Zeiss Artevo 800, Carl Zeiss Meditec AG), Spectralis Anterior-segment OCT (AS-OCT) (Heidelberg Engineering)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Northwestern University
Cataract
A Cataract Surgery Clinical Trial
The purpose of the study is to compare the efficiency and safety of UNITY™ Vitreoretinal Cataract System (UNITY VCS) to CENTURION® Vision System with Active Sentry (CAS) in adult subjects with grade 2 or greater nuclear sclerotic…
- Trial name
- NCT07044674
- Testing
- UNITY Vitreoretinal Cataract System, CENTURION Vision System with Active Sentry, Anterior segment ophthalmic surgery
- Where
- 5 sites in United States
- Sponsor
- Alcon Research
Blepharitis, Conjunctivitis
Evaluation and Treatment of Patients With Corneal and External Diseases
This study offers evaluation and treatment for patients with certain corneal and external diseases of the eye (diseases of the surface of the eye and its surrounding structures).
- Conditions
- Blepharitis, Conjunctivitis, Corneal Disease, Dacryoadenitis
- Trial name
- NCT00008541
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- National Eye Institute (NEI)
Acute Myocardial Infarction With ST Segment Elevation
3 Nehb Precordial Leads Anterior, Dorsalis and Inferior Allow Accurate Diagnostics of Different Heart Conditions
The method of ECG recording with the use of three bipolar leads A (anterior), D dorsalis) and J (or I - inferior) was introduced in 1938 by German electrophysiologist W. Nehb.
- Trial name
- Nehb-STEMI (NCT00623896)
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Assaf-Harofeh Medical Center
Uveitis, Anterior
Safety and Efficacy Study of Iontophoresis and Dexamethasone Phosphate to Treat Anterior Uveitis
The purpose of this study is to define a safe and effective dose of iontophoretic delivery of dexamethasone phosphate ophthalmic solution using the EyeGate® II Drug Delivery System in patients with non-infectious anterior segment…
- Trial name
- NCT00694135
- Testing
- EGP-437 1.6 mA-min at 0.4 with EyeGate® II System, EGP-437 4.8 mA-min at 1.2 mA with EyeGate® II System, EGP-437 10.0 mA-min at 2.5 mA with EyeGate® II System
- Where
- 19 sites in United States, India
- Volunteers
- 40 people
- Sponsor
- Eyegate Pharmaceuticals, Inc.
Cytomegalovirus Anterior Segment Infection, Anterior Uveitis
Topical Administration of 0.15% Ganciclovir Gel for CMV Anterior Uveitis / Endotheliitis
Objective of this study is to investigate the intracameral level of ganciclovir following topical application of 0.15% ganciclovir gel (VIRGAN©) for Cytomegalovirus (CMV) anterior uveitis and endothelitis.
- Conditions
- Cytomegalovirus Anterior Segment Infection, Anterior Uveitis, Endotheliitis
- Trial name
- Virgan (NCT01647529)
- Testing
- Ganciclovir
- Where
- Singapore
- Volunteers
- 29 people
- Sponsor
- Singapore National Eye Centre
Open Angle Glaucoma, Narrow Angles
Comparison of Gonioscopy With Cirrus and Visante
The aim of this study is to analyze similarities and evaluate interchangeability of Visante and Cirrus OCT (optical coherent tomography)and to compare agreement between gonioscopy and the two systems for evaluation of anterior…
- Conditions
- Open Angle Glaucoma, Narrow Angles, Angle Closure Glaucoma
- Trial name
- ASOCT (NCT01895686)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Wills Eye
Cataract
Next Generation Cataract Surgery Study
The purpose of this study is to obtain device-specific safety and performance clinical data to support marketability in Europe and to collect user preference data.
- Trial name
- NCT06071104
- Testing
- Anterior segment ophthalmic surgery, UNITY VCS
- Where
- 4 sites in United States
- Volunteers
- 121 people
- Sponsor
- Alcon Research
Keratoconus
Evaluation of Corneal Epithelial Mapping in Diagnosis of Early Keratoconus by Anterior Segment Optical Coherence Tomography
The cornea, as the outermost refractive structure of the eye, plays a critical role in maintaining clear vision. Its transparency and structural integrity are essential for optimal visual function.
- Trial name
- NCT06914973
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Assiut University
Cataract
Anterior Segment Changes After Phacoemulsification in Cataractous Eyes with Shallow Anterior Chamber
Phacoemulsification in shallow anterior chamber is considered to be more hazardous regarding risk of intraoperative and postoperative complications.
- Trial name
- NCT06745596
- Testing
- cataract surgery 1, cataract surgery 2
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Zagazig University
Ankylosing Spondylitis (AS), Spine Fracture
A Retrospective Cohort Study About Surgical Efficacy for Lower Cervical Fractures in Ankylosing Spondylitis
The purpose of this retrospective cohort study was to observe and compare the efficacy of anterior cervical long segment fixation, posterior long segment fixation, and combined anterior and posterior fixation for the treatment of…
- Trial name
- NCT06873074
- Testing
- anterior long segment cervical fixation, posterior long segment cervical fixation, combined anterior and posterior fixation
- Where
- China
- Volunteers
- 162 people
- Sponsor
- Zhou Fang
Pigment Dispersion Syndrome, Pigmentary Glaucoma
A Novel Argon Laser Iridoplasty for Pigment Dispersion Syndrome
Pigment dispersion syndrome is a rare condition where anomalous iris configuration leads to posterior iris bowing with subsequent friction with the lenticulozonular unit resulting in dispersion of pigment from the back surface of…
- Trial name
- NCT05231928
- Testing
- Argon Laser Iridoplasty
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Fayoum University
Meibomian Gland Dysfunction, Cataract
Ultrahigh-resolution Optical Coherence Tomography Imaging of the Anterior Eye Segment Structures
The development of optical coherence tomography (OCT) and its application for in vivo imaging has opened entirely new opportunities in ophthalmology.
- Conditions
- Meibomian Gland Dysfunction, Cataract, Glaucoma, Corneal Transplantation
- Trial name
- NCT03461978
- Testing
- Ultrahigh resolution Spectral Domain OCT
- Where
- Austria
- Volunteers
- 14 people
- Sponsor
- Medical University of Vienna
Eye Diseases
Screening for Research Subjects With Anterior Segment Diseases
This study will identify patients with anterior segment disease who may be eligible to participate in current or future NEI studies on this disease.
- Trial name
- NCT00088348
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- National Eye Institute (NEI)
Cataract
A Clinical Investigation of MINIVISC® PLUS 14 mg/ml Fermented Ophthalmic Viscosurgical Device (OVD-F), Used for Cataract Surgery and Implantation of Intraocular Lenses, Glaucoma Surgery, Anterior Segment Surgery and Corneal Transplantation (CGAC)
A clinical investigation to confirm the clinical safety and performance of OVD-F device MINIVISC® PLUS 1.4 % for cataract surgery and implantation of intraocular lenses, glaucoma surgery, anterior segment surgery and corneal…
- Trial name
- Minivisc01 (NCT07184437)
- Testing
- OVD-F device Minivisc®PLUS 14 mg/ml
- Where
- 6 sites in Belgium, Sweden
- Volunteers
- 134 people
- Sponsor
- Bohus Biotech AB
Keratoconus, Forme Fruste Keratoconus
Corneal Biomechanical Properties and Anterior Segment Parameters, in Forme Fruste Keratoconus
The present study attempts to evaluate the diagnostic capacity of a) anterior segment parameters b) biomechanical metrics and c) a combination model, in differentiating Forme Fruste Keratoconus (FFK) from healthy corneas.
- Trial name
- NCT01448408
- Where
- Greece
- Sponsor
- Democritus University of Thrace
Radiculopathy, Cervical, Myelopathy Cervical
Cervical Arthroplasty Cost Effectiveness Study (CACES)
To date, no consensus exists on which anterior surgical technique is more cost-effective to treat cervical degenerative disc disease (CDDD).
- Conditions
- Radiculopathy, Cervical, Myelopathy Cervical, Myelopathy, Compressive, Radiculopathy, Cervical Region
- Trial name
- CACES (NCT04623593)
- Testing
- ACDF, ACDA
- Where
- Netherlands
- Volunteers
- 198 people
- Sponsor
- Valérie Schuermans
Anterior Myocardial Infarction
Effects of Pressure-controlled Intermittent Coronary Sinus Occlusion (PiCSO) Therapy on miRNAs Expression and Absolute Microvascular Resistance by Continuous Thermodilution in ST-segment Elevation Myocardial Infarction (STEMI) Patients: PiCSO-STEMI TRIAL
In this study we pretend to determine the molecular (miRNAs expression, angiogenic and inflammatory biomarkers) and microcirculatory (assessed by the innovative continuous intracoronary thermodilution technique) effects of PiCSO…
- Trial name
- PiCSO-STEMI (NCT05644925)
- Testing
- PiCSO Impulse System, Percutaneous Coronary Intervention (PCI)
- Sponsor
- Fundacio Privada Mon Clinic Barcelona