ClinicalTrials.gov record
Recruiting No phase listed Observational

International CDKL5 Clinical Research Network

ClinicalTrials.gov ID: NCT05558371

Public ClinicalTrials.gov record NCT05558371. 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 May 8, 2026, 1:27 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Multi-Site Validation of Biomarkers and Core Clinical Outcome Measures for Clinical Trials Readiness in CDKL5 Deficiency Disorder

Study identification

NCT ID
NCT05558371
Recruitment status
Recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
University of Colorado, Denver
Other
Enrollment
1,000 participants

Conditions and interventions

Interventions

  • No intervention. Other

Other

Eligibility (public fields only)

Age range
1 Month to 100 Years
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
Feb 14, 2021
Primary completion
Feb 14, 2026
Completion
Feb 14, 2027
Last update posted
Dec 5, 2023

2021 – 2027

United States locations

U.S. sites
8
U.S. states
8
U.S. cities
8
Facility City State ZIP Site status
University of California Los Angeles/UCLA Mattel Children's Hospital Los Angeles California 90095 Recruiting
University of Colorado Denver/Children's Hospital Colorado Aurora Colorado 80045 Recruiting
Harvard Medical School/Boston Children's Hospital Boston Massachusetts 02115 Recruiting
Washington University in St. Louis/St. Louis Children's Hospital St Louis Missouri 63110 Recruiting
NYU Langone Health New York New York 10016 Recruiting
Cleveland Clinic Foundation Cleveland Ohio 44195 Recruiting
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 Recruiting
Baylor College of Medicine/ Texas Children's Hospital Houston Texas 77030 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05558371, 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 Dec 5, 2023 · Synced May 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05558371 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →