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Study to Evaluate OXERVATE® in Patients With Stage 1 Neurotrophic Keratitis

An 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)

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04485546
Acronym
DEFENDO
Enrollment
37
Registered
2020-07-24
Start date
2020-09-09
Completion date
2022-03-30
Last updated
2025-11-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neurotrophic Keratitis

Keywords

Stage 1 Neurotrophic Keratitis, Corneal Disease, Ocular Disease

Brief summary

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).

Detailed description

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)

Interventions

OXERVATE® 0.002% (20 mcg/mL) cenegermin-bkbj ophthalmic solution administered as one drop in the affected eye(s), 6 times a day at 2-hour intervals for 8 weeks, in patients with Stage 1 neurotrophic keratitis.

Sponsors

Dompé US
CollaboratorUNKNOWN
Dompé Farmaceutici S.p.A
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

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.

Design outcomes

Primary

MeasureTime frameDescription
Corneal Epithelial HealingWeek 8Percentage of patients who experienced corneal epithelial healing. Corneal epithelial healing was defined by the central reading center as the absence of persistent epithelial staining abnormalities related to disease.

Countries

United States

Participant flow

Participants by arm

ArmCount
OXERVATE® 0.002% (20 mcg/mL) Cenegermin-bkbj
cenegermin-bkbj: Cenegermin-bkbj ophthalmic solution administered as one drop in affected eye(s) every 2 hours 6 times daily for 8 weeks
37
Total37

Baseline characteristics

CharacteristicOXERVATE® 0.002% (20 mcg/mL) Cenegermin-bkbj
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
18 Participants
Age, Categorical
Between 18 and 65 years
19 Participants
Age, Continuous64.6 years
STANDARD_DEVIATION 11.89
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
35 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race/Ethnicity, Customized
Race
Asian
1 Participants
Race/Ethnicity, Customized
Race
Black or African American
3 Participants
Race/Ethnicity, Customized
Race
Other
1 Participants
Race/Ethnicity, Customized
Race
White
32 Participants
Region of Enrollment
United States
37 participants
Sex: Female, Male
Female
28 Participants
Sex: Female, Male
Male
9 Participants
Treated Eyes
Participants with Treated Non-Study Eye
15 participants
Treated Eyes
Participants with Treated Study Eye
37 participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 370 / 371 / 37
other
Total, other adverse events
22 / 3713 / 3716 / 37
serious
Total, serious adverse events
1 / 370 / 377 / 37

Outcome results

Primary

Corneal Epithelial Healing

Percentage of patients who experienced corneal epithelial healing. Corneal epithelial healing was defined by the central reading center as the absence of persistent epithelial staining abnormalities related to disease.

Time frame: Week 8

Population: Full Analysis Set (FAS) - All enrolled patients who received at least one dose of the study drug. The FAS was used both for efficacy and safety analyses. Observed cases (n=33)

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
OXERVATE® 0.002% (20 mcg/mL) Cenegermin-bkbjCorneal Epithelial HealingNo5 Participants
OXERVATE® 0.002% (20 mcg/mL) Cenegermin-bkbjCorneal Epithelial HealingYes28 Participants

Source: ClinicalTrials.gov · Data processed: Feb 9, 2026