A Study Evaluating the Effectiveness and Safety of Risdiplam Administered as an Early Intervention in Pediatric Participants With Spinal Muscular Atrophy After Gene Therapy
- Muscle And Peripheral Nerve Disease
- Spinal Muscular Atrophy (SMA)
Recruiting
- Atlanta
- Gdańsk
- Grand Rapids
- Little Rock
- Warszawa
NCT05861986 2023-504508-26-00 BN44620
Trial Summary
This is an open-label, single-arm, multicenter clinical study to evaluate the effectiveness and safety of risdiplam administered as an early intervention in pediatric participants with spinal muscular atrophy (SMA) and 2 SMN2 copies who have previously received onasemnogene abeparvovec. Participants are children < 2 years of age genetically diagnosed with SMA.
A Phase IV Open-Label Study Evaluating the Effectiveness and Safety of Risdiplam Administered as an Early Intervention in Pediatric Patients With Spinal Muscular Atrophy After Gene Therapy
Eligibility Criteria
- <2 years of age at the time of informed consent
- Confirmed diagnosis of 5q-autosomal recessive SMA
- Confirmed presence of two SMN2 gene copies
- Administration of onasemnogene abeparvovec pre-symptomatically or post-symptomatically
- Has received onasemnogene abeparvovec for SMA no less than 3 months, but not more than 7 months, prior to enrollment
- Has, in the opinion of the investigator, not experienced clinically significant decline in function from the time of onasemnogene abeparvovec administration
- Treatment with investigational therapy prior to initiation of study treatment
- Any unresolved standard-of-care laboratory abnormalities per the onasemnogene abeparvovec prescribing information
- Concomitant or previous administration of a SMN2-targeting antisense oligonucleotide or SMN2 splicing modifier either in a clinical study or as part of medical care
- Requiring invasive ventilation or tracheostomy
- Requiring awake non-invasive ventilation or with awake hypoxemia (SaO2 <95%) with or without ventilator support
- Presence of feeding tube and an OrSAT score of 0
- Hospitalization for pulmonary event within the last 2 months, or any planned hospitalization at the time of screening
- Any major illness requiring hospitalization within 1 month before the screening examination or any febrile illness within 1 week prior to screening and up to first dose administration.
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