This study is to evaluate the safety and efficacy of OXERVATE® 0.002% (20 mcg/mL) cenegermin-bkbj ophthalmic solution in patients with Stage 1 neurotrophic keratitis (NK).

This is a 8-week, multicenter, open label, prospective study with 24 weeks of follow-up to evaluate safety and efficacy of OXERVATE® 0.002% (20 mcg/mL) cenegermin-bkbj ophthalmic solution in patients with Stage 1 neurotrophic keratitis (NK)

Inclusion Criteria:

1. Male or female aged ≥ 18 years.
2. Patients with Stage 1 NK defined by the Mackie criteria

Exclusion Criteria:

1. Evidence of an active ocular infection (bacterial, viral, protozoal) in either eye.
2. Have current or history of conditions that may confound the study data including but not limited to Ocular Cicatricial Pemphigoid (OCP), Graft Versus Host Disease (GVHD), neuromyelitis optica, uncontrolled dry eye, and Steven Johnson's syndrome.
3. History of severe systemic allergy or severe ocular allergy (including seasonal conjunctivitis expected during the subject's participation in the trial) or chronic conjunctivitis and/or keratitis other than dry eye disease.
4. Patients with severe vision loss with no potential for visual improvement in the study eye, in the opinion of the investigator, or if the subject is deemed legally blind.
5. Ocular surgery or elective ocular surgery expected during participation in the trial.
6. Patients with eyelid abnormality that may alter eyelid function including but not limited to Blepharospasm, Cerebrovascular accident, entropion, ectropion, floppy lid syndrome.

34 Weeks

An AE was defined as any untoward medical occurrence in a patient or clinical investigation patient administered a pharmaceutical product that did not necessarily have a causal relationship with this treatment.

Safety evaluations were based on adverse event (AE) monitoring, intraocular pressure (IOP), slit lamp exam, and external eye exam.