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Recruiting No phase listed Observational

24-Hydroxylase Deficiency and CYP24A1 Mutation Patient Registry

ClinicalTrials.gov ID: NCT03478761

Public ClinicalTrials.gov record NCT03478761. 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.

ClinicalTrials.gov public records Last synced Nov 8, 2026, 12:43 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

You are being asked to take part in this research registry because you or your family member is suspected to have a 24-hydroxylase deficiency.

Study identification

NCT ID
NCT03478761
Recruitment status
Recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Mayo Clinic
Other
Enrollment
600 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
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
Oct 19, 2017 (Actual)
Primary completion
Dec 2030 (Estimated)
Completion
Dec 2030 (Estimated)
Last update posted
Mar 20, 2026

2017 – 2030

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Mayo Clinic Rochester Minnesota 55905 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 NCT03478761, 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 Mar 20, 2026 · Synced Nov 8, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03478761 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →