New global registry aims to unlock rett syndrome mysteries
NCT ID NCT04900493
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This registry collects information from caregivers of people with Rett syndrome worldwide. Participants can track symptoms and treatments online, and researchers can use the de-identified data to better understand the condition and plan future clinical trials. The goal is to speed up research and improve care for those affected.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this registry could provide researchers with the data needed to design better clinical trials and develop treatments for Rett syndrome.
- What could go wrong
- This is an observational registry, not a treatment trial. It relies on caregiver reports, which may be incomplete or biased, and results may take years to impact care.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 5,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2022
- Expected to finish
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Jun 2031
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Individuals of all ages diagnosed with Rett Syndrome and/or have a mutation in MECP2. MECP2 Duplication syndrome individuals are not included and will be directed to the MECP2 Duplication registries.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Parent/caregiver must be willing and able to provide written informed consent electronically prior to entering data into the registry. 2. Rett individuals of any age, living or deceased, must have a diagnosis of Rett syndrome and/or have a mutation in MECP2. Exclusion Criteria: 1. Individuals who have a genetic mutation that is inconsistent with Rett syndrome or who have a different disorder. 2. Individuals with MECP2 Duplication Syndrome
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Genom att skicka in godkänner du våra Användarvillkor
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Study contacts
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Contact
Email: •••••@•••••
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Contact
Email: •••••@•••••
Locations
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Rett Syndrome Research Trust
RECRUITINGTrumbull, Connecticut, 06611, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
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