Clinical trials: Anterior Segment Diseases
Ophthalmopathy , Lacrimal System
Evaluation of Lacrimal Punctal Changes by Anterior Segment Optical Coherence Tomography AS-OCT After Topical Combined Antibiotics and Steroids Treatment in Cases of Inflammatory Punctual Stenosis
Punctal stenosis is an important etiological factor that should be considered when assessing patients with epiphora. Anatomically, acquired punctal stenosis is a condition in which the external opening of the lacrimal canaliculus…
- Trial name
- NCT05028907
- Testing
- 5 mg chloramphenicol, 1 mg dexamethasone sodium phosphate, 0.25 mg tetryzoline hydrochloride, 2 mg Hydroxypropyl Methyl Cellulose, 10 mg α-tocopherol acetate and 8 mg macrogol 400)., sodium hyaluronate, polyethylene and propylene glycol based) three times daily for three months
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Sohag University
Cataract
A Novel Congenital Cataract Category System
Congenital cataracts (CC) are the leading cause of childhood visual disabilities and treatable childhood blindness worldwide1. CC patients have a wide range of presentations of lens opacities and are generally categorized into…
- Trial name
- NCT02793869
- Where
- China
- Volunteers
- 428 people
- Sponsor
- Sun Yat-sen University
Spinal Fusion
Risk Factors of Second Surgery for Adjacent Segment Disease Following Anterior Cervical Discectomy and Fusion
Although the incidence of second surgery for adjacent segment disease (ASD) after anterior cervical discectomy and fusion (ACDF) has been reported, its risk factors remain elusive.
- Trial name
- 2nd ACDF (NCT03826329)
- Testing
- observational study
- Where
- Taiwan
- Volunteers
- 5,565 people
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Inflammation Eye
Evaluation of Inflammation of the Anterior Segment by Laser Flashmeter in Patients Having Undergone Surgery of the Posterior Segment (Vitrectomy or Preindentation) During the First Postoperative Year. (FLAVIC)
Observational study, monocentric, prospective, descriptive and comparative (eye operated vs fellow eye).
- Trial name
- FLAVIC (NCT03677700)
- Testing
- Laser Flare Meter
- Volunteers
- 100 people
- Sponsor
- Rennes University Hospital
Anophthalmia, Microphthalmia
National Cohort on Congenital Defects of the Eye
Congenital malformations of the eye comprise various developmental defects including microphthalmia, anophthalmia, aniridia, and anterior segment anomalies (such as Peters and Axenfeld-Rieger anomalies).
- Conditions
- Anophthalmia, Microphthalmia, Aniridia, Anterior Segment Dysgenesis 6, Peters Anomaly Subtype
- Trial name
- RaDiCoACOEIL (NCT05954403)
- Where
- France
- Volunteers
- 800 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Corneal Neovascularization, Corneal Graft Failure
Subconjunctival IVIg (Gamunex-C) Injection for Corneal Neovascularization and Inflammatory Conditions
The purpose of the study is to test the investigational drug Gamunex-C on the growth of blood vessels over the cornea. This study is being conducted by Dr. Balamurali Ambati at the Moran Eye Center at the University of Utah.
- Conditions
- Corneal Neovascularization, Corneal Graft Failure, Anterior Segment Inflammation
- Trial name
- NCT02042027
- Testing
- Gamunex-C
- Where
- United States
- Sponsor
- University of Utah
Aphakia
Intraocular Position of Secondary Iris-Fixated IOLs in Aphakic Eyes
The purpose of this study is to evaluate the intraocular stability and safety of secondary iris-fixated IOLs in aphakic patients.
- Trial name
- NCT00773266
- Where
- Germany
- Volunteers
- 16 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Keratoconus, High Myopia
Anterior Segment and Corneal Parameters in Keratoconus and High Myopic Astigmatism Using Schiempflug Imaging
The purpose of this study was to compare Scheimpflug corneal tomography findings in keratoconus and high myopic astigmatic eyes, as well as to establish the parameters distinguishing keratoconus from high myopic astigmatism.
- Trial name
- NCT06739018
- Testing
- pentacam scheimpflug tomography
- Where
- 2 sites in Egypt
- Volunteers
- 66 people
- Sponsor
- Assiut University
Posterior Chamber Phakic Intraocular Lens, Vault
Study on the Diagnostic Efficacy of ICL Selection and Prediction Depth Model Based on Eye Images
To evaluate the diagnostic efficacy of deep learning network model in implantable collamer lens selection and prediction in a multicenter cross-sectional study
- Conditions
- Posterior Chamber Phakic Intraocular Lens, Vault, Deep Neural Network, Myopia
- Trial name
- NCT06669728
- Testing
- AI diagnostic algorithm
- Where
- China
- Volunteers
- 326 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Nanchang University
Dry Eye
Cyclosporine 0.1% / Loteprednol 0.2% Effect on Anterior Segment Normalization
The CLEAN Study: Cyclosporine 0.1% / Loteprednol 0.2% Effect on Anterior Segment Normalization-A Prospective Cohort Study of Combination Therapy in the Treatment of Dry Eye
- Trial name
- CLEAN (NCT05322148)
- Testing
- Klarity CL, Cylcosporine 0.1%/Loteprednol Etabonate 0.2% Preservative Free
- Where
- 3 sites in United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
Measurement of the Elasticity of the Anterior Eye Segment
A Pilot Study to Test the Safety and Feasibility of a Brillouin Ocular Analyzer
A Brillouin ocular analyzer uses a low-power near infrared laser light to probe the viscoelastic properties of the cornea and crystalline lens in the eye.
- Trial name
- Brillouin I (NCT01775007)
- Testing
- Brillouin Ocular Analyser
- Where
- 2 sites in United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Refractive Errors, Myopia
Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault
This prospective non-comparative interventional study aims to analyse the pre-operative factors affecting the range of optimal ICL vaulting.
- Conditions
- Refractive Errors, Myopia, Myopic Astigmatism
- Trial name
- NCT05670626
- Testing
- Refractive Surgery
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Glaucoma, Angle-Closure
AS-OCT Evaluation of Iridocorneal Angle of Patients of Angle Closure Glaucoma After Phacoemulsification
Evaluation of the effect of phacoemulsification and YAG Laser peripheral iridotomy on the anterior chamber angle anatomic parameters in PACG eyes, using anterior segment optical coherence tomography (SS ASOCT) device
- Trial name
- NCT05332665
- Testing
- AS-OCT, YAG laser PI
- Where
- Egypt
- Volunteers
- 15 people
- Sponsor
- Minia University
Anterior Uveitis
Safety and Efficacy of Iontophoretic Dexamethasone Phosphate Ophthalmic Solution in Non-Infectious Anterior Uveitis
The purpose of this study is to evaluate the safety and efficacy of ocular iontophoresis with dexamethasone phosphate ophthalmic solution EGP-437 using the EyeGate® II Drug Delivery System (EGDS) compared to prednisolone acetate…
- Trial name
- EGP-437-006 (NCT02517619)
- Testing
- Dexamethasone Phosphate Ophthalmic Solution, Prednisolone Acetate Ophthalmic (1%)
- Where
- United States
- Volunteers
- 251 people
- Sponsor
- Eyegate Pharmaceuticals, Inc.
Ocular Surface Disease
Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device
Conjunctival goblet cells secrete mucin, vital for tear film stability. Dysfunction can cause tear film issues and lead to diseases like dry eye. Imaging these cells is crucial for diagnosis and treatment.
- Trial name
- NCT06427629
- Testing
- Imaging of conjunctival goblet cell
- Where
- South Korea
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Acute Anterior ST-Segment Elevation Myocardial Infarction
Prophylactic IABP in Delayed-Presentation Anterior STEMI
PROACTIVE-AMI is a prospective, multicenter, randomized, open-label trial with blinded endpoint adjudication evaluating whether prophylactic intra-aortic balloon counterpulsation (IABP) initiated before primary percutaneous…
- Trial name
- PROACTIVE-AMI (NCT07761455)
- Testing
- Intra-Aortic Balloon Pump, Primary Percutaneous Coronary Intervention
- Where
- 4 sites in China
- Volunteers
- 504 people
- Sponsor
- Qilu Hospital of Shandong University
Cataract, Healthy Eye
The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment parameters with the ANTERION
- Conditions
- Cataract, Healthy Eye, Cornea Abnormality, Post-Keratorefractive Surgery
- Trial name
- NCT04130490
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Anterior Urethral Stricture, Male
Anatomical and Functional Outcome of PSG Vs BMG for Urethral Substitution in Long Segment Anterior Urethral Strictures
This study aims to compare the penile skin graft and buccal mucosal graft for substitution of long anterior urethral strictures using one-sided dorsal perineal approach.
- Trial name
- NCT06056856
- Testing
- Penile skin graft substituttion urethroplasty, Buccal Mucosal Graft substitution urethroplasty
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Al-Azhar University
Dry Eye Syndromes
Repeatability and Agreement of Anterior Segment Optical Coherence Tomography (AS-OCT) and Thermography
Dry eye is a common condition that affects vision and quality of life in patients. Dry eye clinical research is limited to follow up of disease progression.
- Trial name
- NCT01479790
- Testing
- EyeGiene
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Age Related Cataracts, Pseudoexfoliation Syndrome
Outcome of Two Surgical Methods for IOLImplantation in Eyes With Pseudoexfoliation Syndrome
The aim of this study is to compare the surgical outcomes of the two IOL implantation methods for eyes with cataract and PEX in a single-center and with highly experienced surgeons.
- Trial name
- NCT06053554
- Testing
- Phakoemulsification, Ziemer Z8 Femtolaser, Kowa Avansee Preset
- Where
- Austria
- Volunteers
- 120 people
- Sponsor
- Medical University of Vienna