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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, 8, and 16.
Secondary Objectives:
To assess the effects of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on corneal stromal thickness via AS-OCT in patients with stage 3 neurotrophic keratitis with respect to change from baseline at weeks 4, 8, and 16.
To assess the effects of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on corneal stromal reflectivity via AS-OCT in patients with stage 3 neurotrophic keratitis with respect to change from baseline at weeks 4, 8, and 16.
To assess the effects of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on corneal sensitivity via Cochet-Bonnet aesthesiometer in the center of the lesion with respect to change from baseline at weeks 4, 8, and 16.
Full description
This clinical study is a prospective, open-label, interventional, multicenter study of 8 weeks of treatment with 8 weeks of follow-up after treatment to evaluate the efficacy of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on corneal thickness and stromal clarity via AS-OCT in patients with stage 3 neurotrophic keratitis.
The study will be a total of 16 weeks in duration: an optional screening period of up to 2 weeks, followed by an 8-week treatment period and an 8-week follow-up period. At Visit 1.2 (Baseline and Study Product Dispense, Day -1), patients meeting the entry criteria for this study will be assigned to treatment with cenegermin-bkbj (20 mcg/mL) ophthalmic solution (which will be known as Study Product) beginning the morning following that visit, or Day 0.
After completion of the Treatment Period, all patients who do not meet deterioration or no improvement criteria will continue to be followed for an additional 8-week Follow-Up Period.
At any time during the study, patients may be seen for additional unscheduled visits as deemed necessary by the Investigator.
For patients who are prematurely discontinued from the study at any point, an exit examination should be completed which represents the next data collection visit in the study timeline. Once exited, the Investigator should direct patients for further treatment as appropriate. Patients in this study who are prematurely discontinued before completion of 8 weeks of treatment with cenegermin-bkbj (20 mcg/mL) ophthalmic solution will continue to be followed throughout the remainder of the study period, if able.
To minimize risk of bias, all images will be assessed at an independent central reading center (CRC). The study site will acquire the images and perform a quality check; however, no analysis is required to be conducted by the Investigator on site.
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Inclusion criteria
Exclusion criteria
In the opinion of the Investigator, evidence or confirmed culture of an active ocular infection (bacterial, fungal, protozoal) in either eye at the time of screening or baseline.
Evidence of a necrotizing herpetic ulcer in either eye at the time of screening or baseline.
Active or severe corneal/ocular inflammation that requires continuous medical therapy throughout the duration of the treatment, including eyelid-based disorders such as severe MGD or blepharitis.
Patients with posterior one-third corneal involvement or if posterior one-third of cornea becomes involved during the time between screening and baseline measurements, or at the Investigator's discretion is close to perforation.
Patients who have excessive, pre-existing corneal opacification.
Any of the following within 90 days of study enrollment:
Patients who have punctal occlusion planned within the study period. Patients who have undergone punctal occlusion prior to entry into the study are eligible for enrollment provided that the punctal occlusion is maintained during the study period. If a punctal plug falls out of the study eye during the study, it must be reinserted within 7 days of discovery via examination by the Investigator.
Anticipated need to use therapeutic contact lenses, contact lens wear for refractive correction, or scleral contact lenses during the treatment period in the study eye.
Patients with eyelid or neuromuscular abnormality that may alter eyelid function or closure, thereby increasing exposure; this includes but is not limited to blepharospasm, cranial nerve palsy or paresis, entropion, ectropion, or floppy eyelid syndrome.
Previously been treated with OXERVATE®
Ocular surgeries (including but not limited to LASIK, PRK, tube shunt/trabeculectomy, cataract surgery) within the last 6 months.
History of corneal stromal surgery, including anterior lamellar keratoplasty (ALK), deep anterior lamellar keratoplasty (DALK), and penetrating keratoplasty (PKP) within 12 months of screening visit
Female patients who are pregnant or lactating at study screening or baseline, or those who are planning pregnancy during the period of study.
Premenopausal females not using a medically acceptable form of birth control (abstinence, pharmaceutical contraception, intrauterine device, surgically sterilized) during the treatment period.
History of drug addiction or alcohol abuse documented within the past 2 years.
Patients who are active smokers shall be excluded.
Actively participating in a clinical trial at time of enrollment.
Primary purpose
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17 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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