Actively Recruiting

Phase 3
Age: 6Years - 21Years
FEMALE
NCT05606614

A Phase 1/2/3 Study of TSHA-102 Gene Therapy in Females With Rett Syndrome (REVEAL Pivotal Study)

Led by Taysha Gene Therapies, Inc. · Updated on 2025-12-30

15

Participants Needed

6

Research Sites

429 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The primary objectives of this study are to evaluate the safety of a single intrathecal (IT) dose of TSHA-102 in females with typical Rett syndrome, to select the TSHA-102 dose with the best benefit/risk profile based on the totality of safety and efficacy data and to evaluate the efficacy and safety of TSHA-102 at the selected dose.

CONDITIONS

Official Title

A Phase 1/2/3 Study of TSHA-102 Gene Therapy in Females With Rett Syndrome (REVEAL Pivotal Study)

Who Can Participate

Age: 6Years - 21Years
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Female participants aged 12 to under 22 years in Part A and 6 to under 22 years in Part B
  • Clinical diagnosis of typical Rett syndrome with a pathogenic MECP2 gene mutation causing loss of function
  • Willingness to receive blood or blood products if medically needed for adverse events
  • Participant and caregiver agree to live near the study site before baseline and for at least 3 months after treatment
Not Eligible

You will not qualify if you...

  • Diagnosis of another neurodevelopmental disorder unrelated to MECP2 mutation or progressive genetic syndrome
  • History of brain injury causing neurological problems or abnormal psychomotor development within first 6 months of life
  • Diagnosis of atypical Rett syndrome or MECP2 mutation not causing Rett syndrome
  • Requirement for invasive ventilatory support
  • Other protocol-defined exclusion criteria may also apply

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 6 locations

1

UC San Diego

La Jolla, California, United States, 92093

Actively Recruiting

2

Rush University Medical Center

Chicago, Illinois, United States, 60612

Actively Recruiting

3

Boston Children's Hospital

Boston, Massachusetts, United States, 02115

Actively Recruiting

4

Washington University, St. Louis

St Louis, Missouri, United States, 63110

Actively Recruiting

5

UT Southwestern Children's Medical Center

Dallas, Texas, United States, 75930

Actively Recruiting

6

CHU St. Justine

Montreal, Quebec, Canada

Actively Recruiting

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Research Team

T

Taysha Gene Therapies Medical Information

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

NON_RANDOMIZED

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

3

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A Phase 1/2/3 Study of TSHA-102 Gene Therapy in Females With Rett Syndrome (REVEAL Pivotal Study) | DecenTrialz