Hope for rett syndrome: new drug trial targets behavior and communication
NCT ID NCT06840496
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests an oral medicine called bionetide in 210 girls and women with Rett syndrome, a rare genetic disorder. The goal is to see if bionetide improves behavior and communication compared to a placebo over 12 weeks. Participants must be 5 to 20 years old and have a confirmed MECP2 gene mutation.
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.
- Phase
-
Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
-
About 210 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
-
Sep 2026
An estimate. Start dates often move.
- Expected to finish
-
Dec 2027
An estimate. End dates often move.
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
5 to 20 years
- Sex
-
Female participants only
- Healthy volunteers
-
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. Female subjects 5 to 20 years of age, inclusive, at Screening 2. Body weight ≥12 kg at Screening 3. Can swallow the study medication provided as a liquid solution or can take it by gastrostomy tube 4. Has classic/typical Rett syndrome (RTT) 5. Has a documented disease-causing mutation in the MECP2 gene 6. Has a stable pattern of seizures, or has had no seizures, within 8 weeks of Screening 7. Subjects of childbearing potential must abstain from sexual activity for the duration of the study and for at least 30 days thereafter or must agree to use acceptable methods of contraception. Subject must not be pregnant or breastfeeding. 8. The subject's caregiver is English-speaking and has sufficient language skills to complete the caregiver assessments 9. Subject and caregiver(s) must reside at a location to which study drug can be delivered and have been at their present residence for at least 3 months prior to Screening EXCLUSION CRITERIA 1. Has been treated with insulin within 12 weeks of Baseline 2. Has current clinically significant cardiovascular, endocrine (such as hypo- or hyperthyroidism, Type 1 diabetes mellitus, or uncontrolled Type 2 diabetes mellitus), renal, hepatic, respiratory or gastrointestinal disease (such as celiac disease or inflammatory bowel disease) or has major surgery planned during the study 3. Has a history of, or current, cerebrovascular disease or brain trauma 4. Has significant, uncorrected visual or uncorrected hearing impairment 5. Has a history of, or current, malignancy 6. Has a known history or symptoms of long QT syndrome
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Rett syndrome are added.
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.
-
The study's own enquiry address
This study publishes an address for enquiries. See it below .
-
The places running it
18 sites in 2 countries. The list below names each one and where it is.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
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
Enter your email to view the contact information for this study.
Genom att skicka in godkänner du våra Användarvillkor
Study contacts
-
Contact
Email: •••••@•••••
-
Contact
Email: •••••@•••••
Locations
-
Biomed Research Unit- BIO-22-VIC 3010
RECRUITINGParkville, Victoria, 3010, Australia
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Research Unit-BIO-21-VIC-3084
RECRUITINGHeidelberg West, Victoria, 3084, Australia
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Research Unit-BIO-23-NSW 2050
RECRUITINGCamperdown, New South Wales, 2050, Australia
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Research Unit-BIO-24-NSW-4101
RECRUITINGSouth Brisbane, Queensland, 4101, Australia
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility # BIO-01-85012
RECRUITINGPhoenix, Arizona, 85012, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility # BIO-02-94104
RECRUITINGSan Francisco, California, 94104, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility # BIO-03-95817
RECRUITINGSacramento, California, 95817, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility # BIO-04-90095
RECRUITINGLos Angeles, California, 90045, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility # BIO-05-92093
RECRUITINGLa Jolla, California, 92093, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-06-80042
RECRUITINGAurora, Colorado, 80042, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-07-33606
RECRUITINGTampa, Florida, 33606, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-08-60612
RECRUITINGChicago, Illinois, 60612, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-10-02115
RECRUITINGBoston, Massachusetts, 02115, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-13-10467
RECRUITINGThe Bronx, New York, 10467, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-17-19104
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-19-77030
RECRUITINGHouston, Texas, 77030, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Biomed Testing Facility #BIO-20-98105
RECRUITINGSeattle, Washington, 98105, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
-
Maryland Locations Biomed Testing Facility #BIO-9-21205
RECRUITINGBaltimore, Maryland, 21205, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Low-THC cannabis extract tested against rett syndrome symptoms
- A private facebook group may ease the emotional burden of caring for a child with rett syndrome
- Antioxidant cocktail may ease motor deficits in rett syndrome — a trial investigates
- Can robot legs help Non-Walking kids join in at school?
- Can early parent coaching help infants with rare genetic disorders thrive?
- Newborn screening study aims to catch rare diseases at birth