Cataract Surgery Clinical Trial
Official title:
A Multicenter, Randomized, Double-Masked, Vehicle-Controlled, Parallel-Group, Phase 2 Study of the Efficacy and Safety of RTA 408 For the Prevention of Corneal Endothelial Cell Loss in Patients Undergoing Cataract Surgery
Verified date | February 2024 |
Source | Biogen |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study assesses the efficacy and safety of two concentrations of omaveloxolone (RTA 408) ophthalmic suspension for the prevention of corneal endothelial cell loss following cataract surgery.
Status | Completed |
Enrollment | 307 |
Est. completion date | April 30, 2015 |
Est. primary completion date | February 28, 2015 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 80 Years |
Eligibility | Inclusion Criteria: 1. Be male or female and =18 years of age and =80 years of age 2. Plan to undergo cataract extraction by phacoemulsification with the implantation of a posterior chamber intraocular lens 3. Have the potential, in the opinion of the investigator, to improve best-corrected visual acuity in the study eye after surgery 4. Have Grade 3, 4, or 5 nuclear cataract in the study eye, according to the LOCS III 5. Have corneal endothelium in the study eye that can be accurately assessed using specular microscopy 6. Have endothelial cell density of >1800 cells/mm2 in the study eye at the Screening Visit 7. Have a pinhole visual acuity (VA) of at least 1.0 logarithm of the minimum angle of resolution (logMAR) in the study eye and fellow eye as measured using an Early Treatment for Diabetic Retinopathy Study (ETDRS) chart Exclusion Criteria: 1. Have a score >0 on the ocular pain assessment at the Screening Visit or the Randomization Visit in the study eye 2. Have an active immunosuppressive disease or an autoimmune disease that, in the opinion of the investigator, could affect the quality of the ocular surface 3. Have active or chronic/recurrent ocular or systemic disease that is uncontrolled and will likely affect wound healing 4. Have an intraocular pressure (IOP) =5 mmHg in either eye 5. Have had corneal or retinal surgery (laser or incisional) within the past 6 months, or be planning to have laser or incisional surgery during the study period in the study eye 6. Have the presence of guttae Stage 2 or greater or other abnormality in the study eye that does not allow for accurate corneal endothelial cell assessments |
Country | Name | City | State |
---|---|---|---|
United States | Argus Research | Cape Coral | Florida |
United States | Cincinnati Eye Institute | Cincinnati | Ohio |
United States | Chicago Cornea Consultants | Hoffman Estates | Illinois |
United States | Levenson Eye Associates | Jacksonville | Florida |
United States | Harvard Eye Associates | Laguna Hills | California |
United States | JacksonEye | Lake Villa | Illinois |
United States | Hull Eye Center | Lancaster | California |
United States | Discover Vision Centers | Leawood | Kansas |
United States | See Clearly Vision Group | McLean | Virginia |
United States | Alterman, Modi and Wolter | Poughkeepsie | New York |
United States | R & R Eye Research | San Antonio | Texas |
United States | Associated Eye Care | Stillwater | Minnesota |
United States | Opthalmic Consultants of Boston | Waltham | Massachusetts |
United States | Talamo Hatch Laser Eye Consultants | Waltham | Massachusetts |
United States | Comprehensive Eye Care | Washington | Missouri |
Lead Sponsor | Collaborator |
---|---|
Reata, a wholly owned subsidiary of Biogen | AbbVie |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change From Baseline in Central Corneal Endothelial Cell Counts | Count of central corneal endothelial cells 12 weeks post cataract surgery, compared to baseline | 12 weeks | |
Secondary | Percentage of Patients With Absence of Anterior Chamber Cells at 2 Weeks After Cataract Surgery | Absence of of anterior chamber cells is defined as anterior chamber cells = 0 | 2 weeks | |
Secondary | Percentage of Patients With Absence of Anterior Chamber Flare at 2 Weeks After Cataract Surgery | Absence of of anterior chamber flare is defined as anterior chamber flare = 0 | 2 weeks | |
Secondary | Percentage of Patients With Clinical Cure (Absence of Anterior Chamber Cells + Flare) at 2 Weeks After Cataract Surgery | Absence of of anterior chamber cells + flare is defined as anterior chamber cells + flare = 0 | 2 weeks | |
Secondary | Percentage of Patients Who Were Pain Free 1 Day After Cataract Surgery | 1 day | ||
Secondary | Change From Baseline in Central Corneal Endothelial Cell Counts | Count of central corneal endothelial cells 6 weeks post cataract surgery, compared to baseline | 6 weeks |
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