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Safety, tolerability and efficacy study of OAV101 administered intrathecally to participants 2 to < 18 years of age with spinal muscular atrophy (SMA) who have discontinued treatment with nusinersen (Spinraza) or risdiplam (Evrysdi)

Phase 3
Conditions
Spinal muscular atrophy
Registration Number
JPRN-jRCT2073220094
Lead Sponsor
Hirano Takamitsu
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
4
Inclusion Criteria

1. SMA diagnosis
2. Aged 2 to < 18 years
3. Have had at least four loading doses of nusinersen (Spinraza) or at least 3 months of treatment with risdiplam (Evrysdi) at Screening
4. Must have symptoms of SMA as defined in the protocol

Exclusion Criteria

1. Anti Adeno Associated Virus Serotype 9 (AAV9) antibody titer using an immunoassay is reported as elevated
2. Clinically significant abnormalities in test results during screening
3. Contraindications for lumbar puncture procedure
4. At Baseline, participants are excluded if they received:
Nusinersen (Spinraza) or risdiplam (Evrysdi) within a defined timeframe
5. Vaccinations 2 weeks prior to administration of OAV101
6. Hospitalization for a pulmonary event, or for nutritional support within 2 months prior to Screening or inpatient major surgery planned.
7. Presence of an infection or febrile illness
8. Requiring invasive ventilation

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
umber and percentage of participants reporting AEs, related AEs, SAEs, and AESIs
Secondary Outcome Measures
NameTimeMethod
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