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Recruiting NCT04917887

NCT04917887 Long-Term Follow-up Protocol

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Clinical Trial Summary
NCT ID NCT04917887
Status Recruiting
Phase
Sponsor Krystal Biotech, Inc.
Condition Dystrophic Epidermolysis Bullosa
Study Type OBSERVATIONAL
Enrollment 50 participants
Start Date 2021-05-25
Primary Completion 2028-05-25

Eligibility & Interventions

Sex All sexes
Min Age 6 Months
Max Age N/A
Study Type OBSERVATIONAL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 50 participants in total. It began in 2021-05-25 with a primary completion date of 2028-05-25.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The main objective of this prospective, observational, long-term follow-up (LTFU) study is to evaluate the long-term safety profile of the gene therapy products evaluated by Krystal Biotech, Inc. which have a shared backbone of HSV-1, in participants who received at least one dose of investigational product (IP).

Eligibility Criteria

Inclusion Criteria: * All adult and pediatric participants who received at least one gene therapy treatment in a previous Krystal Biotech, Inc. sponsored study, and have discontinued or completed the parent treatment protocol (which do not have the LTFU embedded into the parent protocol), as applicable. * Consent/Assent must be obtained by the participants (and, parental/legal representative, when applicable) prior to any study-related data being collected. * Participant is willing and able to adhere to the protocol requirements. Exclusion Criteria: * Participants who enroll into a non-Krystal Biotech, Inc. interventional gene therapy clinical trial will be excluded from the study.

Contact & Investigator

Central Contact

Brittani Agostini

✉ bagostini@krystalbio.com

📞 4125865830

Frequently Asked Questions

Who can join the NCT04917887 clinical trial?

This trial is open to participants of all sexes, aged 6 Months or older, studying Dystrophic Epidermolysis Bullosa. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04917887 currently recruiting?

Yes, NCT04917887 is actively recruiting participants. Contact the research team at bagostini@krystalbio.com for enrollment information.

Where is the NCT04917887 trial being conducted?

This trial is being conducted at Rancho Santa Margarita, United States, Redwood City, United States, Coral Gables, United States.

Who is sponsoring the NCT04917887 clinical trial?

NCT04917887 is sponsored by Krystal Biotech, Inc.. The trial plans to enroll 50 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology