Clinical trials: Cornea Disease
Trachoma, Chlamydia Trachomatis
Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger
Trachoma is a disease of poverty, which in the hyperendemic areas affects all individuals by the time they are two years old. Active disease is concentrated in children and occurs sporadically in adults.
- Trial name
- NCT00618449
- Testing
- Azithromcyin, Azithromycin
- Where
- 2 sites in United States, Niger
- Volunteers
- 1,139 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Conjunctivitis
A Comparison of the RPS Adeno Detector IV to Viral Cell Culture at Detecting Adenoviral Conjunctivitis
To engage in a multi-center, prospective, masked clinical trial to investigate a non-invasive, rapid diagnostic test, the RPS Adeno Detector IV's ability to detect the presence of the adenovirus (ADV) antigen in cases of acute…
- Trial name
- NCT00921895
- Testing
- RPS Adeno Detector IV
- Where
- 8 sites in United States
- Volunteers
- 128 people
- Sponsor
- Rapid Pathogen Screening
Trachoma
A Surveillance and Azithromycin Treatment for Newcomers and Travelers Evaluation: The ASANTE Trial
Infection with C. Trachomatis has decreased substantially in trachoma endemic areas following repeated annual mass drug administration (MDA) with azithromycin, although not as rapidly as anticipated.
- Trial name
- ASANTE (NCT01767506)
- Testing
- Surveillance and treatment with azithromycin of newcomer and traveler families, Usual care
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Trachoma
Azithromycin Reduction to Reach Elimination of Trachoma
The investigators propose a randomized controlled trial of discontinuation versus continuation of annual mass azithromycin distribution in hypoendemic communities of Maradi, Niger.
- Trial name
- ARRET (NCT04185402)
- Testing
- Azithromycin
- Where
- Niger
- Volunteers
- 3,931 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Keratoconus, Cornea Ectasia
Safety and Efficacy of Corneal Crosslinking Using the PXL-Platinum 330 for Eyes With Corneal Ectatic Conditions
To evaluate the safety and effectiveness of the PXL Platinum 330 device for performing Corneal Crosslinking in patients with corneal thinning conditions.
- Trial name
- NCT04240457
- Testing
- Epithelial-on Corneal Crosslinking with the PXL 330 Platinum system.
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Arbor Center for Eye Care
Fungal Keratitis
Therapeutic Exploratory Study of Comparing Natamycin and Voriconazole to Treat Fungal Corneal Ulcer
We evaluated whether voriconazole is a superior treatment to natamycin for filamentous fungal keratitis in a randomized, masked, controlled trial.
- Trial name
- MUTT_TE (NCT00557362)
- Testing
- Natamycin 5%, Voriconazole, Corneal de-epithelialization
- Where
- 2 sites in India
- Volunteers
- 120 people
- Sponsor
- University of California, San Francisco
Corneal Ulcer, Eye Infections, Fungal
The Mycotic Ulcer Treatment Trial II: A Randomized Trial Comparing Oral Voriconazole vs Placebo
The purpose of this study is to determine if the addition of oral voriconazole to topical treatment regimens results in lower rates of perforation in severe fungal corneal ulcers.
- Trial name
- MUTTII (NCT00997035)
- Testing
- Voriconazole
- Where
- 7 sites in United States, India and 1 more
- Volunteers
- 240 people
- Sponsor
- University of California, San Francisco
Keratoconus
Safety Study of the VEGA UV-A System to Treat Keratoconus
The purpose of this research study is to test the safety, tolerability, and effectiveness of corneal collagen cross-linking (CXL), when used to treat keratoconus.
- Trial name
- NCT01190306
- Testing
- The VEGA UV-A Illumination System, Riboflavin
- Where
- 9 sites in United States
- Volunteers
- 127 people
- Sponsor
- Topcon Medical Systems, Inc.
Keratoconus and Ectasia
Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and Ectasia
The purpose of this research study is to evaluate the long tern safety and effectiveness of cross-linking in eyes with keratoconus and ectasia.
- Trial name
- NCT01398852
- Testing
- Riboflavin, VEGA UV-A Illumination System
- Where
- 13 sites in United States
- Volunteers
- 500 people
- Sponsor
- Topcon Medical Systems, Inc.
Keratoconus
German Corneal Cross Linking Register
Corneal Cross Linking is new treatment modality for patients with keratoconus. A keratoconus is characterized by progressive bulging and thinning of the eye's cornea.
- Trial name
- NCT00560651
- Testing
- CCL (Corneal Cross Linking)
- Where
- 2 sites in Germany
- Volunteers
- 356 people
- Sponsor
- Suphi Taneri
Trichiasis
Identification of TT Cases by Community Treatment Assistants: An Assessment
To achieve the goal of trachoma control as mandated by the World Health Organization, countries must reduce the backlog of trichiasis surgery cases to less than 1/1,000 of their population.
- Trial name
- SIMBA (NCT01783743)
- Testing
- TT Training Program and TT Screening Card
- Where
- United States
- Volunteers
- 27,473 people
- Sponsor
- Johns Hopkins University
Child Development
Antibiotic Resistance and Microbiome in Children Aged 6-59 Months in Nouna, Burkina Faso
The use of antibiotics has saved millions of human lives, however consumption of antibiotics can select for antibiotic resistant organisms and may lead to changes in commensal microbiome.
- Trial name
- ARMCA (NCT03187834)
- Testing
- Azithromycin, Amoxicillin, Cotrimoxazole
- Where
- 2 sites in United States, Burkina Faso
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Ectasia
Corneal Collagen Cross-Linking for Ectasia (CXL)
Prospective, randomized multicenter study to determine the safety and effectiveness of performing corneal collagen cross-linking (CXL) using riboflavin and UVA light in eyes with ectasia after refractive surgery.
- Trial name
- CXL (NCT00674661)
- Testing
- riboflavin ophthalmic solution, UVA Irradiation
- Where
- 10 sites in United States
- Volunteers
- 130 people
- Sponsor
- Glaukos Corporation
Acanthamoeba Keratitis
Polihexanide (PHMB) Eye Drops in Patients Affected by Acanthamoeba Keratitis
Prospective randomized study to evaluate the efficacy, safety and tolerability of 0.08% polihexanide (PHMB) eye drops in patients affected by acanthamoeba keratitis.
- Trial name
- NCT03274895
- Testing
- PHMB 0.08%, Propamidine 0.1%, PHMB 0.02%
- Where
- 6 sites in Italy, Poland and 1 more
- Volunteers
- 135 people
- Sponsor
- SIFI SpA
Keratoconus, Corneal Diseases
Collagen Cross-Linking With Ultraviolet-A in Asymmetric Corneas
This study will assess changes in visual acuity and corneal symmetry after corneal collagen cross-linking (CXL) of asymmetric corneas.
- Conditions
- Keratoconus, Corneal Diseases, Eye Diseases, Photosensitizing Agents
- Trial name
- NCT03029104
- Testing
- CXLO Corneal Strengthening Solution and UVA Illumination Device
- Where
- 9 sites in United States
- Volunteers
- 2,228 people
- Sponsor
- Cxlusa
Keratoconus, Post-Refractive Ectasia
Corneal Crosslinking in Patients With Keratoconus and Post-Refractive Ectasia
The purpose of this study is to evaluate the effectiveness of using riboflavin and UV light to treat progressive keratoconus or post-refractive corneal ectasia.
- Trial name
- NCT01143389
- Testing
- Riboflavin, UVX light
- Where
- United States
- Volunteers
- 510 people
- Sponsor
- Price Vision Group
Progressive Keratoconus
Corneal Collagen Cross-linking for Progressive Keratoconus
Prospective, randomized multicenter study to determine the safety and effectiveness of performing cornea collagen cross-linking (CXL) using riboflavin and UVA light in eyes with progressive keratoconus.
- Trial name
- CXL (NCT00647699)
- Testing
- riboflavin ophthalmic solution, UVA Irradiation
- Where
- 10 sites in United States
- Volunteers
- 147 people
- Sponsor
- Glaukos Corporation
Infectious Keratitis
Cross Linking for Treatment of Corneal Infection
This study is comparing 45 minute and 30 minute treatment durations with the UVX corneal cross linking system to treat corneal infections.
- Trial name
- NCT00912509
- Testing
- riboflavin, UVX Light
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Price Vision Group
Keratoconjunctivitis Sicca
Efficacy Study of Cyclosporine Ophthalmic Emulsion in Patients With Dry Eye Disease
This study will evaluate the efficacy of cyclosporine ophthalmic solution vs. other non-prescription treatments in patients with dry eye disease.
- Trial name
- NCT00717418
- Testing
- cyclosporine ophthalmic emulsion 0.05%, artificial tears
- Where
- United States
- Volunteers
- 781 people
- Sponsor
- Allergan
Corneal Ulcer, Eye Infections, Fungal
Mycotic Ulcer Treatment Trial I
The purpose of this study is to determine if natamycin or voriconazole results in better visual outcomes in fungal corneal ulcers, especially visual acuity.
- Trial name
- MUTT I (NCT00996736)
- Testing
- Natamycin, Voriconazole
- Where
- 3 sites in United States, India
- Volunteers
- 323 people
- Sponsor
- University of California, San Francisco