ATTUNE: A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Intrathecally-Administered ION440 in Participants With Methyl CpG Binding Protein 2 (MECP2) Duplication Syndrome (MDS)

PHASE1/PHASE2RecruitingINTERVENTIONAL
Enrollment

48

Participants

Timeline

Start Date

October 21, 2024

Primary Completion Date

September 30, 2027

Study Completion Date

April 30, 2030

Conditions
Methyl CpG Binding Protein 2 (MECP2) Duplication Syndrome
Interventions
DRUG

ION440

ION440 will be administered by intrathecal bolus (ITB) injection.

PROCEDURE

Sham procedure

An LP will be performed with CSF collection but will not be followed by the administration of study treatment by ITB injection.

Trial Locations (6)

19104

RECRUITING

Children's Hospital of Philadelphia, Philadelphia

37232

RECRUITING

Vanderbilt University Medical Center, Nashville

55101

RECRUITING

Gillette Children's Specialty Healthcare, Saint Paul

77030

RECRUITING

Baylor College of Medicine, Houston

80045

RECRUITING

University of Colorado Hopsital - Anschutz Medical Campus, Aurora

92123

RECRUITING

Rady Children's Hospital, San Diego

Sponsors
All Listed Sponsors
lead

Ionis Pharmaceuticals, Inc.

INDUSTRY