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Spinal Muscular Atrophy Type 3 Gene Therapy Trial

Investigator-Initiated Study of SMA Gene Therapy: A Single-Armed Trial of Safety, Tolerability, and Efficacy of AAV9-SMN in SMA Type 3 Patients

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200064515
Enrollment
Unknown
Registered
2022-10-10
Start date
2022-10-10
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

Spinal Muscular Atrophy

Interventions

Experimental group:Intrathecal adeno-associated virus injection AAV9-SMN (GC101)

Sponsors

Beijing Tiantan Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. The age of onset is 18-25 years old, and the gender is not limited; 2. Clinically diagnosed as type 3 5qSMA; 3. Have the ability to sit alone and have a certain walking ability; 4. SMN2 gene modification mutation (c.859 G > C) is negative; 5. Fertile subjects should have no parenting plans during the trial period and follow-up period, and agree to take appropriate contraceptive measures to avoid pregnancy or make their partners pregnant; 6. Subjects can understand and are willing to abide by the content of the research protocol, voluntarily participate and sign the informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients who have participated in any other SMA gene therapy clinical research; 2. Serum Anti-AAV9 neutralizing antibody titer > 1:10; 3. Patients with allergies, including allergies to prednisolone or other glucocorticoids or their excipients, iodine or iodine-containing products; 4. There are contraindications for lumbar puncture or intrathecal treatment; 5. Imaging examinations show severe scoliosis ( >= 50°), or planned scoliosis repair surgery within 1 year after administration 6. Invasive ventilation support or blood oxygen saturation < 95%; 7. Respiratory tract infection occurred within four weeks before the study, requiring medical intervention; 8. History of bacterial meningitis or cerebrospinal disease; 9. Any other serious or active disease other than SMA, which the investigator believes may interfere with the subject's treatment, evaluation or compliance with the research protocol. Such as cardiovascular disease, kidney disease, liver disease, endocrine disease, malignant tumor, diabetes, hypersensitivity constitution, infectious disease, abnormal blood coagulation mechanism, immunodeficiency, severe mental and nervous system diseases, etc.; 10. Human immunodeficiency virus (HIV) antibody positive, or hepatitis B surface antigen positive, or hepatitis C antibody positive, or Treponema pallidum antibody positive; 11. Pregnant or lactating women; 12. Those with a history of alcohol and drug abuse; 13. The researcher thinks it is not suitable to participate in this research.

Design outcomes

Primary

MeasureTime frame
Clinical Adverse Events;

Secondary

MeasureTime frame
Pharmacokinetic parameters;Neuromuscular Function Score (HFMSE);Neuromuscular Function Score (RULM);Anti-AAV9 neutralizing antibody;

Countries

China

Contacts

Public ContactZaiqiang Zhang

Beijing Tiantan Hospital, Capital Medical University

ttyy0142011@126.com+86 13910838816

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026