Long-Term Follow-up Protocol
Public ClinicalTrials.gov record NCT04917887. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Prospective, Observational, Long-Term Follow-Up (LTFU) Study to Evaluate the Long-Term Safety of the Krystal Biotech, Inc. Gene Therapy Backbone Products Using HSV-1 Backbone
Study identification
- NCT ID
- NCT04917887
- Recruitment status
- Recruiting
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Krystal Biotech, Inc.
- Industry
- Enrollment
- 50 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 6 Months and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 24, 2021
- Primary completion
- May 24, 2028
- Completion
- May 24, 2028
- Last update posted
- Jun 7, 2021
2021 – 2028
United States locations
- U.S. sites
- 3
- U.S. states
- 2
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mission Dermatology Center | Rancho Santa Margarita | California | 92688 | Recruiting |
| Stanford University | Redwood City | California | 94063 | Recruiting |
| Pediatric Skin Research | Coral Gables | Florida | 33146 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04917887, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 7, 2021 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04917887 live on ClinicalTrials.gov.