DOMPE -MT Neurotrophic Keratitis

April 24, 2025 updated by: Toyos Clinic

TITLE: Toyos Clinic / A Phase 4 Study to Assess Longer Duration of Treatment With Cenegermin in Moderate to Severe Dry Eye-Associated Neurotrophic Keratitis

TITLE: Toyos Clinic / A Phase 4 Study to Assess Longer Duration of Treatment with Cenegermin in Moderate to Severe Dry Eye-Associated Neurotrophic Keratitis

Study Overview

Status

Active, not recruiting

Study Type

Interventional

Enrollment (Estimated)

10

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Tennessee
      • Nashville, Tennessee, United States, 37215
        • Toyos Clinic

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:1. Provision of signed and dated informed consent form and HIPPA authorization.

2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Male or female, aged 18 to 85. 4. Subjects with moderate to severe ocular pain defined as SANDE questionnaire score of >25 mm at time of screening not due to causes other than dry eye associated with NK in the opinion of the investigator.

5. Have used and/or desired to use an artificial tear substitute for dry eye symptoms in the past 3 months.

6. Have normal lid anatomy. 7. For females of reproductive potential:use of highly effective contraception for at least 1 month prior to screening and agreement to use such a method during study participation.

8. For males of reproductive potential:use of condoms or other methods to ensure effective contraception with partner 9. Are postmenopausal (no menstrual cycle for at least one year prior to Visit 1) or have undergone bilateral tubal ligation, hysterectomy, hysterectomy with uni- or bilateral oophorectomy, or bilateral oophorectomy.

10. Patients with stage 1 NK characterized by epithelial irregularity most commonly in the form of punctate keratopathy without epithelial defect or Stage 2 (persistent epithelial defect, PED).

11. PED or corneal ulceration of at least 2 weeks duration refractory to one or more conventional non-surgical treatments for neurotrophic keratitis (e.g., preservative-free artificial tears, gels or ointments; discontinuation of preserved topical drops and medications that can decrease corneal sensitivity; therapeutic contact lenses).

12. Evidence of decreased corneal sensitivity (≤ 4 cm using the Cochet-Bonnet aesthesiometer) within the area of the PED or corneal ulcer and outside of the area of the defect in at least one corneal quadrant.

13. BCDVA of 20/200 or better by Snellen or >/=0.1 decimal units.

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Exclusion Criteria:

  1. Have a known hypersensitivity or contraindication to the investigational product or their components.
  2. Severe systemic allergy.
  3. Topical glaucoma medications or oral medications that are not being taken at a stable dose for the past 90 days.
  4. Topical dry eye medications within the last month except unpreserved artificial tears which will be allowed throughout the study as needed.
  5. Active viral, fungal or bacterial infection or active intraocular inflammation.
  6. Subjects must be unwilling to abstain from eyelash growth medications for the duration of the trial.
  7. Subjects must not have had penetrating intraocular surgery, refractive surgery or corneal transplantation, eyelid surgery within 12 weeks prior to Visit 1.
  8. Febrile illness within one week of screening visit.
  9. Treatment with another investigational drug or other investigational intervention withinone month of screening visit.
  10. Have serious or severe disease or uncontrolled medical condition that in the judgment of the investigator could confound study assessments or limit compliance.
  11. Subjects that are currently pregnant or intend to become pregnant during the course of the study, are breastfeeding, or who are unwilling to use highly effective birth control measures such as hormonal contraceptives, and/or mechanical barrier methods during the course of the trial.
  12. Use of contact lenses during trial.
  13. Amniotic membranes within two weeks prior to screening.
  14. Punctal plugs will be allowed as long as they have remained stable for at least 90 days.
  15. No neurostimulation including varencicline, acupuncture or TrueTear or like devices within one month of screening.

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Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: 8 week cenegermin treatment
All participants receive cenegermin topical ophthalmic drops 20mcg/ml six times daily for a treatment period of either 8 or 16 weeks followed by a follow up period total52 weeks total for each study arm.
Oxervate (cenegermin-bkbj) is commonly used to treat neurotrophic keratitis
Active Comparator: 16 week cenegermin
All participants receive cenegermin topical ophthalmic drops 20mcg/ml six times daily for a treatment period of either 8 or 16 weeks followed by a follow up period total52 weeks total for each study arm.
Oxervate (cenegermin-bkbj) is commonly used to treat neurotrophic keratitis

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
TITLE: Toyos Clinic / A Phase 4 Study to Assess Longer Duration of Treatment with Cenegermin in Moderate to Severe Dry Eye-Associated Neurotrophic Keratitis
Time Frame: 8 months
8 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 21, 2023

Primary Completion (Estimated)

September 25, 2025

Study Completion (Estimated)

September 25, 2025

Study Registration Dates

First Submitted

April 17, 2025

First Submitted That Met QC Criteria

April 24, 2025

First Posted (Actual)

April 27, 2025

Study Record Updates

Last Update Posted (Actual)

April 27, 2025

Last Update Submitted That Met QC Criteria

April 24, 2025

Last Verified

April 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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