A Long-Term Safety Follow-up Registry for Patients Who Received Treatment With Prademagene Zamikeracel for Recessive Dystrophic Epidermolysis Bullosa (RDEB) in the Post-Marketing Setting

July 8, 2026 updated by: Abeona Therapeutics, Inc

The goal of this observational study is to evaluate the long-term safety and wound healing durability (up to 15 years) for participants with Recessive Dystrophic Epidermolysis Bullosa (RDEB) who were treated with pz-cel. The main questions it aims to answer are:

  • The long-term safety profile of pz-cel.
  • The wound healing durability of pz-cel.
  • The occurrence of all malignancies after treatment with pz-cel, regardless of type or location, in individuals who received pz-cel treatment for RDEB in the post-marketing setting.

Participants will then be followed annually up to 15 years post-treatment. Assessments will occur via remote data collection. If the participants provider determines an office visit is necessary after the first year, some of this data can be collected in person as well. Annual assessments will include, but are not limited to:

  • Review of Adverse Events (AEs), Serious Adverse Events (SAEs), hospitalizations, and any evidence of malignancies and potential retroviral infection
  • Wound-healing durability data collection via the modified Caregiver Global Impression of Change for Wound Healing
  • Any changes in concomitant medications and procedures.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Estimated)

250

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 Locations

  • United States
    • California
      • Palo Alto, California, United States, 94304
        • Recruiting
        • Lucile Packard Children's Hospital
        • Principal Investigator:
          • Joyce Teng
        • Contact:
    • Colorado
      • Aurora, Colorado, United States, 80045
    • Illinois
      • Chicago, Illinois, United States, 60611
        • Recruiting
        • Ann & Robert H. Lurie Children's Hospital of Chicago - Department of Dermatology
        • Principal Investigator:
          • Amy Paller
        • Contact:
    • Texas
      • Galveston, Texas, United States, 77555
        • Recruiting
        • University of Texas Medical Branch
        • Contact:
        • Principal Investigator:
          • Lindy Ross

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

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

RDEB patients who received pz-cel treatment

Description

Inclusion Criteria:

  • Willing and able to give consent/assent; if under the age of 18, guardian(s) is(are) willing and able to give consent.
  • Patients who received treatment with prademagene zamikeracel in the post-marketing setting.

Exclusion Criteria:

• Inability to properly follow the protocol as determined by the Principal Investigator (PI).

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Patients with RDEB who received pz-cel treatment in the post-marketing setting
Combination product: Prademagene Zamikeracel
ZEVASKYN® (prademagene zamikeracel) is a type of gene therapy made from your own skin cells that is surgically applied to treat wounds in both children and adults who have recessive dystrophic epidermolysis bullosa (RDEB).
Other Names:
  • EB-101
  • Pz-cel

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
The number and incidence of treatment-related malignancies.
Time Frame: From enrollment to 15 years post-treatment
From enrollment to 15 years post-treatment
The number and incidence of treatment-emergent SAEs, including systematic and wound specific SAEs
Time Frame: From enrollment to 15 years post-treatment
From enrollment to 15 years post-treatment
The number and incidences of treatment-related SAEs related to pz-cel, including systematic and wound-specific SAEs.
Time Frame: From enrollment to 15 years post-treatment
From enrollment to 15 years post-treatment
The number and incidence of positive RCR testing results required for AEs and SAEs where retroviral infection is a consideration
Time Frame: From enrollment to 15 years post-treatment
From enrollment to 15 years post-treatment

Other Outcome Measures

Outcome Measure
Time Frame
Categorical impression of change in wound healing over time via the modified Caregiver Global Impression of Change for Wound Healing (mCrGI-WH)
Time Frame: Yearly, from 1- year post-treatment to 15- years post-treatment
Yearly, from 1- year post-treatment to 15- years post-treatment

Collaborators and Investigators

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

Sponsor

Abeona Therapeutics, Inc

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)

July 25, 2025

Primary Completion (Estimated)

April 1, 2045

Study Completion (Estimated)

April 1, 2045

Study Registration Dates

First Submitted

July 8, 2026

First Submitted That Met QC Criteria

July 8, 2026

First Posted (Actual)

July 14, 2026

Study Record Updates

Last Update Posted (Actual)

July 14, 2026

Last Update Submitted That Met QC Criteria

July 8, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Pz-cel-RY-401

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

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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