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Recruiting Phase 3 NCT06971094

NCT06971094 Safety and Efficacy Evaluation of GC101 Gene Therapy Via Intrathecal (IT) Injectionin the Treatment of Patients With Type 2 Spinal Muscular Atrophy (SMA) - Phase III

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Clinical Trial Summary
NCT ID NCT06971094
Status Recruiting
Phase Phase 3
Sponsor GeneCradle Inc
Condition SMA - Spinal Muscular Atrophy
Study Type INTERVENTIONAL
Enrollment 50 participants
Start Date 2025-05-27
Primary Completion 2026-12-31

Eligibility & Interventions

Sex All sexes
Min Age 2 Years
Max Age 12 Years
Study Type INTERVENTIONAL
Interventions
GC101 adeno-associated virus injection

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 50 participants in total. It began in 2025-05-27 with a primary completion date of 2026-12-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This trial employs a multicenter, randomized, open-label, standard-of-care-controlled design and plans to enroll 50 patients with Type 2 SMA aged 2 to 12 years who have previously received nusinersen. The primary objective of the trial is to evaluate the efficacy of GC101 in treating Type 2 SMA. The secondary objectives are to assess the efficacy, safety, and pharmacokinetic (PK) profile of GC101 in treating Type 2 SMA.

Eligibility Criteria

Inclusion Criteria: * Patients with a confirmed diagnosis of Type 2 5q-SMA through clinical phenotype and genetic testing. * Patients who have been receiving regular treatment with nusinersen for more than one year prior to screening. * Patients who have not received treatment with risdiplam within 2 months prior to screening and have no plans to receive risdiplam treatment within 12 months after enrollment. * Patients who can sit independently but cannot walk independently at the time of screening (according to the definitions of independent sitting and walking in the WHO-MGRS motor milestones scale), and have an HFMSE score of ≥10 points. * Patients and/or their legal guardians are able to understand and are willing to comply with the requirements and procedures of the trial protocol, and voluntarily participate and sign the informed consent form Exclusion Criteria: * Patients with serum anti-AAV9 neutralizing antibody titers \> 1:50 at the time of screening. * Patients who have received nusinersen treatment within 2 months prior to enrollment. * Patients with any medical conditions that may affect the interpretation of study results or pose a risk to the safety of the participants, including but not limited to organ dysfunction of any cause, acute infectious diseases, primary/acquired immunodeficiency diseases, severe cardiovascular/cerebrovascular diseases, gastrointestinal diseases, diabetes, known epilepsy, meningitis, seizure or convulsion history, or a family history of psychiatric disorders; and those with cerebrospinal fluid circulation disorders. * Patients with severe liver injury/hepatic insufficiency of any cause, including but not limited to alanine aminotransferase (ALT), aspartate aminotransferase (AST) ≥3 times the upper limit of normal (ULN); total bilirubin (TBil) ≥1.5 times the ULN. * Patients deemed by the investigator to have contraindications to glucocorticoid use, such as severe hypertension, diabetes, systemic infectious diseases, fungal infections, glaucoma, osteoporosis, peptic ulcer disease, tuberculosis, etc. * Patients with contraindications to lumbar puncture or intrathecal injection therapy. * Patients with any medical conditions that may affect the assessment of motor function, such as severe scoliosis, severe joint contracture deformities, planned spinal correction surgery during the trial period, severe osteoporosis, or a history of fractures. * Patients positive for hepatitis B surface antigen (HBsAg), human immunodeficiency virus (HIV) antibodies, hepatitis C virus (HCV) antibodies, or syphilis antibodies. * Patients who have received vaccinations within 2 weeks prior to dosing. * Patients who have previously received gene therapy or participated in any clinical trial within 3 months prior to screening. * Patients deemed by the investigator to be unsuitable for participation in this study.

Contact & Investigator

Central Contact

GeneCradle, Inc China

✉ ind@bj-genecradle.com

📞 +8613501380583

Frequently Asked Questions

Who can join the NCT06971094 clinical trial?

This trial is open to participants of all sexes, aged 2 Years or older, up to 12 Years, studying SMA - Spinal Muscular Atrophy. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06971094 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 50 participants.

Is NCT06971094 currently recruiting?

Yes, NCT06971094 is actively recruiting participants. Contact the research team at ind@bj-genecradle.com for enrollment information.

Where is the NCT06971094 trial being conducted?

This trial is being conducted at Beijing, China, Beijing, China, Beijing, China, Shanghai, China and 3 additional locations.

Who is sponsoring the NCT06971094 clinical trial?

NCT06971094 is sponsored by GeneCradle Inc. The trial plans to enroll 50 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology