Safety and Effectiveness of the PXL-Platinum 330 System

Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Collagen Cross-Linking in Eyes With Corneal Thinning Conditions

To evaluate the safety and effectiveness of the PXL Platinum 330 system for performing corneal cross-linking (CXL) for the treatment of ectatic disorders.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

Patients with progressive keratoconus, pellucid marginal degeneration, or at risk for post-refractive corneal ectasia will be recruited and undergo epithelial-on corneal crosslinking with the Peschke PXL-330 system using pulsed, accelerated energy delivery. Patients will undergo monitoring for 1 year, with serial measurements of corneal topography, visual acuity, intraocular pressure, and pachymetry.

Study Type

Interventional

Enrollment (Anticipated)

300

Phase

  • Phase 2
  • Phase 1

Contacts and Locations

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

Study Contact

Study Contact Backup

Study Locations

    • Colorado
      • Littleton, Colorado, United States, 80120
        • Recruiting
        • Colorado Eye Consultants/Corneal Consultants of Colorado
        • Contact:
        • Contact:
        • Principal Investigator:
          • S. Lance Forstot, M.D.
        • Sub-Investigator:
          • Robert I Fish, M.D.
        • Sub-Investigator:
          • Karen M Repine, M.D.
    • Illinois
      • Highland Park, Illinois, United States, 60035
        • Active, not recruiting
        • Chicago Cornea Consultants, Ltd.
    • Ohio
      • Brecksville, Ohio, United States, 44141
        • Recruiting
        • Cleveland Eye Clinic
        • Sub-Investigator:
          • William Wiley, MD
        • Sub-Investigator:
          • Kathleen Jee, MD
        • Sub-Investigator:
          • Jeffrey Augustine, OD
        • Sub-Investigator:
          • Kayla Karpuk, OD

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

8 years and older (ADULT, OLDER_ADULT, CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Diagnosis of keratoconus, forme fruste keratoconus, post-LASIK ectasia, pellucid marginal degeneration, forme fruste pellucid marginal degeneration, history of radial keratotomy with fluctuating vision, Terrien's marginal degeneration.
  2. Must have provided informed consent, documented it in writing, and have been given a copy of the signed informed consent form.
  3. Must be willing and able to return for scheduled treatment and follow-up examinations for the duration of the study.
  4. Must be at least 8 years of age.
  5. Non-consenting/impaired individuals with a LAR's signature

Exclusion Criteria:

  1. Corneal thickness < 300 microns measured by ultrasound or Pentacam.
  2. Contraindications or sensitivities to any study medications or their components.
  3. Pregnancy or breastfeeding.
  4. Any history of Herpes simplex corneal disease in an eye to be treated.
  5. Nystagmus or any other condition that would, in the judgement of the investigator, prevent a steady gaze during the treatment.
  6. Inability to cooperate with diagnostic tests.
  7. Current enrollment in another ophthalmic clinical trial.

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
  • Masking: DOUBLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: Pulsed, Accelerated
5 mW, 10 sec on, 10 sec off, 24 minutes of illumination Intervention: PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
Riboflavin will be used to load the cornea, followed by UV-A crosslinking of the cornea
Other Names:
  • Corneal cross-linking
ACTIVE_COMPARATOR: Conventional
4 mW, 10 sec on, 10 sec off, 30 minutes of illumination Intervention: PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
Riboflavin will be used to load the cornea, followed by UV-A crosslinking of the cornea
Other Names:
  • Corneal cross-linking

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Corrected distance visual acuity
Time Frame: 6 months
Change in corrected distance visual acuity (CDVA) at the last required study visit (6 months post-op), compared to baseline.
6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Uncorrected visual acuity
Time Frame: 6 months
Change in UCVA at 6 months, compared to baseline.
6 months
Keratometry
Time Frame: 12 months
Change in Kmax, compared to baseline.
12 months

Collaborators and Investigators

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

Sponsor

Investigators

  • Principal Investigator: S. Lance Forstot, M.D., Colorado Eye Consultants/Corneal Consultants of Colorado

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)

June 1, 2020

Primary Completion (ANTICIPATED)

June 30, 2022

Study Completion (ANTICIPATED)

June 30, 2023

Study Registration Dates

First Submitted

May 20, 2020

First Submitted That Met QC Criteria

May 20, 2020

First Posted (ACTUAL)

May 26, 2020

Study Record Updates

Last Update Posted (ACTUAL)

January 25, 2022

Last Update Submitted That Met QC Criteria

January 24, 2022

Last Verified

January 1, 2022

More Information

Terms related to this study

Other Study ID Numbers

  • PXL-330

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

Yes

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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