Clinical trials: Corneal Diseases
Dry Eye Syndromes, Corneal Disease
Prospective Study to Validate the Imaging Biomarker for NCP (R33)
The aim of this study is establish the reliability and clinical utility of microneuromas as identified via in vivo confocal microscopy as the diagnostic biomarker for NCP.
- Trial name
- NCT05653921
- Testing
- In vivo confocal microscopy (IVCM)
- Where
- 2 sites in United States
- Volunteers
- 438 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center
Keratoconus
Correlation Between Eye Rubbing and Keratoconus Severity in a Treatment-naive Keratoconic Population
determination if, within a keratoconic population, strong eye rubbing was correlated with visual acuity, spherical equivalent value, biomicroscopic signs, corneal pachymetry, keratometry, and tomography classification…
- Trial name
- FROTT EYES (NCT02883881)
- Volunteers
- 33 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Epidermolysis Bullosa Dystrophica, Epidermolysis Bullosa Dystrophica, Recessive
A Natural History Study of Corneal Abrasions in Patients With Dystrophic Epidermolysis Bullosa (DEB)
This study is a non-interventional, observational study that will evaluate the natural history of corneal abrasions in patients with Dystrophic Epidermolysis Bullosa (DEB).
- Conditions
- Epidermolysis Bullosa Dystrophica, Epidermolysis Bullosa Dystrophica, Recessive, Epidermolysis Bullosa Dystrophica Dominans
- Trial name
- NCT06563414
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Krystal Biotech, Inc.
Ocular Surface Disease
LK Scleral Lens for Patients With Intractable Ocular Surface Diseases
Scleral lenses have emerged as an efficacious treatment option for various types of intractable ocular surface diseases with many advantageous results.
- Trial name
- NCT04535388
- Testing
- LK scleral lens
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Corneal Transplantation
The German Keratoplasty Registry of the German Ophthalmological Society (DOG)
Aim of this study is to reflect on the changing trends in absolute numbers, surgical techniques and indications of corneal transplantations being performed in Germany.
- Trial name
- NCT03381794
- Testing
- Corneal transplantation
- Where
- Germany
- Volunteers
- 100,000 people
- Sponsor
- Universität des Saarlandes
Infectious Keratitis
Investigation of the Microbiome of the Cornea in Microbial Keratitis
Design: Prospective observational diagnostic study and methods-comparison. Aims: The overall aim of the project is to better define the pathogenic microorganisms in patients with microbial keratitis (MK) through a better…
- Trial name
- STOICA (NCT04030403)
- Where
- United Kingdom
- Volunteers
- 219 people
- Sponsor
- Liverpool University Hospitals NHS Foundation Trust
Keratoconjunctivitis Sicca (KCS)
Intra-Nasal Mechanical Stimulation (INMEST) as a Treatment of Keratoconjunctivitis Sicca (Dry Eye Syndrome)
The purpose of the study is to evaluate how treatment with Intra-Nasal Mechanical Stimulation (INMEST) in the nasal cavity in patients with Keratoconjunctivitis sicca can relieve these symtoms.
- Trial name
- NCT03418259
- Testing
- KCS Medical Device
- Where
- Sweden
- Volunteers
- 70 people
- Sponsor
- Karolinska Institutet
Keratoconus
The Possible Role of Thyroxine in Keratoconus Development
Keratoconus (KC) is a corneal ectatic disorders, with incidence rate 1 per 50,000 among the population. Hormonal imbalances may be associated with KC as it affects the corneal metabolism.
- Trial name
- NCT03637673
- Testing
- No intervention
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Alexandria University
Myopia
Study on the Effect of Mitomycin C 0.02% on the Corneal Endothelial After Photorefractive Keratectomy in Moderate Myopia
In this study 126 eyes in 63 patients with moderate bilateral myopia and astigmatism between -3 and -5 (SE difference between two eyes should not be more than 0.75 and the residual corneal thickness>350 μ ) were entered in the…
- Trial name
- NCT00999973
- Testing
- Mitomycin C 0.02%
- Where
- Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Corneal Edema
A Phase 2 Study Evaluating the Safety and Efficacy of Netarsudil Ophthalmic Solution in Patients With Corneal Edema Due to Fuchs Corneal Dystrophy
Two different dosing regimens (QD and BID) of netarsudil will be studied to evaluate their efficacy in reducing or resolving corneal edema in subjects with FCD.
- Trial name
- Fuchs (NCT04498169)
- Testing
- Netarsudil Ophthalmic
- Where
- 12 sites in United States
- Volunteers
- 40 people
- Sponsor
- Aerie Pharmaceuticals
Corneal Transplantation
Prospective Study of Deep Anterior Lamellar Keratoplasty Using Acellular Porcine Cornea
The performance of keratoplasty is hampered by the limited availability of donor cornea in many countries, especially in Asia. For this reason, attempts have been made to fabricate artificial substitutes for natural human cornea.
- Trial name
- NCT03105466
- Testing
- Deep anterior lamellar keratoplasty, Acellular Porcine Cornea, Tacrolimus eye drops
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Corneal Diseases
Dynamic Light Scattering and Keratoscopy for Corneal Examination
This pilot study will examine the usefulness of a new instrument called the Dynamic Light Scattering (DLS) device for documenting and monitoring changes in the cornea, the front part of the eye where contact lenses are placed.
- Trial name
- NCT00050466
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Pterygium of Conjunctiva and Cornea
Vertical Split Conjunctival Autograft in Double-head Pterygia
15 eyes of 15 patients with primary double-headed pterygia that underwent vertical split conjunctival autograft pterygium surgery were retrospectively reviewed. All patients had primary double-headed pterygia.
- Trial name
- NCT03507283
- Testing
- Double head pterygia excision and repair
- Volunteers
- 15 people
- Sponsor
- Benha University
Pain, Postoperative, Pain, Chronic
fMRI and IVCM Cornea Microscopy of CXL in Keratoconus
Evaluation of neuroplasticity of pain pathways and corneal afferent nerve regeneration following corneal crosslinking (CXL) in keratoconus patients using fMRI and corneal In Vivo Confocal Microscopy (IVCM).
- Conditions
- Pain, Postoperative, Pain, Chronic, Pain, Acute, Surgical Injury
- Trial name
- NCT04439552
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Glaucoma, Suspect, Aberration, Corneal Wavefront
Ocular Changes With Alpha-2 Receptor Agonist.
selective alpha-2 receptor agonists cause changes in intraocular pressure and pupillary size thus may affect patient quality of life.
- Trial name
- NCT05670015
- Testing
- Low dosage selective alpha-2 receptor agonists topical eyedrop, High dosage selective alpha-2 receptor agonists topical eyedrop
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Benha University
Dry Eye Syndrome
Pilot Study to Clinical Evaluate Device Prototypes in Dry Eye Patients
The study will assess the safety, tolerability and feasibility of Lacrima investigational medical device to treat dry eye patients
- Trial name
- NCT01957670
- Testing
- Lacrima medical Prototypes
- Where
- Israel
- Sponsor
- Lacrima Medical LTD
Trachoma, Chlamydia
Tripartite International Research for the Elimination of Trachoma
Mass antimicrobial administrations have been remarkably successful in reducing the prevalence of the ocular strains of Chlamydia that cause trachoma.
- Trial name
- TIRET (NCT01202331)
- Testing
- mass treatment with oral azithromycin
- Where
- Ethiopia
- Volunteers
- 29,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Corneal Astigmatism
Toric IOL vs Non-toric IOL With LRI for Corneal Astigmatism
The purpose of the study is to compare the astigmatism reducing effect of a toric intraocular lens (IOL) (model MX60T - Bausch \& Lomb) with that of limbal relaxing incisional surgery combined with a non toric IOL (model MX60 …
- Trial name
- NCT03633851
- Testing
- Toric intraocular MX60T lens, Standard MX60 plus corneal incisions
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ashford and St. Peter's Hospitals NHS Trust
Macular Corneal Dystrophy
Fresh Corneal Lenticule Implantation in Macular Corneal Distrophy With Relex Smile Surgery
The aim of the study is to examine the effect of fresh corneal lenticule implantation as allogenic graft taken from myopic patients to implanted in patients with macular corneal dystrophy using Visumax Femtosecond Laser Smile…
- Trial name
- NCT04642729
- Testing
- Fresh Corneal Lenticule Implantation using Relex-Smile Surgery
- Where
- Kosovo
- Volunteers
- 15 people
- Sponsor
- Eye Hospital Pristina Kosovo
Cataracts Infantile, Subluxation of Lens
Anterior Versus Posterior Artisan Intraocular Lens Fixation in Aphakic Children With Insufficient Capsular Support.
The Artisan lens (Artisan Aphakic, Ophtec BV) is an iris- claw lens designed for implantation in children with insufficient capsular support.
- Conditions
- Cataracts Infantile, Subluxation of Lens, Intraocular Lens Complication, Corneal Endothelial Cell Loss
- Trial name
- NCT06396156
- Testing
- Anterior enclavation, Posterior enclavation
- Where
- 2 sites in Egypt
- Volunteers
- 32 people
- Sponsor
- Cairo University