A Phase I Study of KB301, a Replication-Incompetent, Non-Integrating Vector Expressing Human Type III Collagen (COL3) for the Treatment of Superficial Skin Depressions
Public ClinicalTrials.gov record NCT04540900. 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.
Study identification
- NCT ID
- NCT04540900
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Krystal Biotech, Inc.
- Industry
- Enrollment
- 85 participants
Conditions and interventions
Conditions
Interventions
- KB301 Biological
- Placebo Other
Biological · Other
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 6, 2020
- Primary completion
- Oct 15, 2024
- Completion
- May 30, 2029
- Last update posted
- May 12, 2025
2020 – 2029
United States locations
- U.S. sites
- 4
- U.S. states
- 2
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Aesthetx | Campbell | California | 95008 | — |
| Steve Yoelin, MD Medical Associates, Inc. | Newport Beach | California | 92663 | — |
| Mission Dermatology | Rancho Santa Margarita | California | 92688 | — |
| Skin and Cancer Associates, LLP. D/B/A Center for Clinical and Cosmetic Research | Aventura | Florida | 33180 | — |
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 NCT04540900, 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 May 12, 2025 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04540900 live on ClinicalTrials.gov.