A Trial to Assess the Safety and Efficacy of KRN23 in Epidermal Nevus Syndrome (ENS)
Public ClinicalTrials.gov record NCT04320316. 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
An Open Label Trial to Assess the Safety and Efficacy of KRN23, an Investigational Antibody to FGF23, in a Single Pediatric Patient With Epidermal Nevus Syndrome (ENS) and Associated Hypophosphatemic Rickets
Study identification
- NCT ID
- NCT04320316
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Enrollment
- 1 participant
Conditions and interventions
Conditions
Interventions
- Crysvita (burosumab-twza) Treatment Drug
Drug
Eligibility (public fields only)
- Age range
- 6 Months and older
- Sex
- Male
- 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
- Jul 30, 2020
- Primary completion
- Jul 30, 2021
- Completion
- Aug 30, 2021
- Last update posted
- Oct 6, 2022
2020 – 2021
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35233 | — |
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 NCT04320316, 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 Oct 6, 2022 · Synced May 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04320316 live on ClinicalTrials.gov.