Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Recruiting No phase listed Observational

The Rett Syndrome Global Registry

ClinicalTrials.gov ID: NCT04900493

Public ClinicalTrials.gov record NCT04900493. 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 Jul 23, 2026, 6:41 AM EDT

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
NCT04900493
Recruitment status
Recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Rett Syndrome Research Trust
Other
Enrollment
5,000 participants

Conditions and interventions

Conditions

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
Jan 30, 2022
Primary completion
Jun 29, 2031
Completion
Jun 29, 2031
Last update posted
Feb 16, 2026

2022 – 2031

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Rett Syndrome Research Trust Trumbull Connecticut 06611 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 NCT04900493, 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 Feb 16, 2026 · Synced Jul 23, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04900493 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →