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Esketamine for the Treatment of Rett Syndrome

An Exploratory Trial of Esketamine for the Treatment of Rett Syndrome

Status
Completed
Phases
Early Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06199700
Enrollment
3
Registered
2024-01-10
Start date
2023-11-15
Completion date
2025-12-30
Last updated
2026-05-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rett Syndrome

Keywords

Rett syndrome, Esketamine, efficacy, safety

Brief summary

The goal of this interventional study is to learn about the efficacy and safety of Esketamine for treating children with Rett syndrome (RTT). The main questions it aims to answer are: * whether Esketamine treatment is effective in improving symptom severity for RTT. * whether Esketamine is safe in the treatment of RTT. Participants will receive a weekly intravenous infusion of Esketamine for five weeks and will be assessed for disease severity and drug safety.

Interventions

Intravenous infusion of Ketamine

Sponsors

Children's Hospital of Fudan University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
5 Years to 10 Years
Healthy volunteers
No

Inclusion criteria

* Classic/typical RTT * Causing mutation in MECP2 gene * Stable pattern of seizures, or has had no seizures at least 8 weeks

Exclusion criteria

* Use of other drugs that interact with Esketamine: thyroxine, meglumine diatrizoate, aminophylline, diazepam or midazolam, drugs for antihypertension or central nervous depressants, halogenated general anesthetics (e.g., halothane), tubocurarine, atracurium * Condition with hypertension, high cerebrospinal fluid pressure, and high intraocular pressure * Unstable systemic illness other than Rett syndrome: current clinically significant cardiovascular, endocrine (such as hypo- or hyperthyroidism, type 1 diabetes, or uncontrolled type 2 diabetes), renal, hepatic, respiratory, or gastrointestinal disease (such as celiac disease or inflammatory bowel disease), or major surgery planned during the study * Clinically important variations in medication use

Design outcomes

Primary

MeasureTime frameDescription
Efficacy of treatment with Esketamine in girls with RTTbaseline, week 5, and month 6Rett Syndrome Behaviour Questionnaire (RSBQ) total score; Minimum value 0; Maximum values 90; higher scores mean a worse outcome.
Incidence of Adverse eventsbaseline, week 5Safety of treatment with Esketamine in girls with RTT
Co-outcome for efficacy of treatment with Esketamine in girls with RTTbaseline, week 5, and month 6Clinical Global Impressions Scale-improvement (CGI-I) score; Minimum value 0; Maximum values 7; higher scores mean a worse outcome.

Secondary

MeasureTime frameDescription
Autism Diagnostic Observation Schedule, Second Edition (ADOS-2)baseline, week 5, and month 6Total score,; Minimum value 0; Maximum values 28; higher scores mean a worse outcome.
Griffiths Scales of Child Developmentbaseline, week 5, and month 6Development quotient; Minimum value 0; Maximum values 96; higher scores mean a better outcome.
Revised-Motor Behavior Assessment scale (R-MBA)baseline, week 5, and month 6Subscale score, 0-100, higher sores means a worse outcome
Rett Syndrome Severity Scale (RSSS)baseline, week 5, and month 6Subscale score, 0-21, higher sores means a worse outcome
Sleep improvement by Esketamine treatmentbaseline, week 5, and month 6Sleep record
Behavior observationbaseline, week 5, and month 6Unusual hand movements duration per hour
Brain image changebaseline, week 5, and month 6Magnetic Resonance Imaging (MRI);brain network connectivity
Brain function changebaseline, week 5, and month 6Electroencephalogram (EEG); brain-wave activity

Countries

China

Contacts

PRINCIPAL_INVESTIGATORHuiping Li

Children's Hospital of Fudan University

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 14, 2026