- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03461289
Single-Dose Gene Replacement Therapy Clinical Trial for Participants With Spinal Muscular Atrophy Type 1 (STRIVE-EU)
Phase 3, Open-Label, Single-Arm, Single-Dose Gene Replacement Therapy Clinical Trial for Patients With Spinal Muscular Atrophy Type 1 With One or Two SMN2 Copies Delivering AVXS-101 by Intravenous Infusion
Study Overview
Detailed Description
Phase 3, open-label, single-arm, single-dose, trial of onasemnogene abeparvovec-xioi (gene replacement therapy) in patients with spinal muscular atrophy (SMA) Type 1 who meet enrollment criteria and are genetically defined by a biallelic pathogenic mutation of the survival motor neuron 1 gene (SMN1) with one or two copies of survival motor neuron 2 gene (SMN2). 30 patients < 6 months (< 180 days) of age at the time of gene replacement therapy (Day 1) will be enrolled.
The trial includes a screening period, a gene replacement therapy period, and a follow-up period. During the screening period (Days -30 to -2), patients whose parent(s)/legal guardian(s) provide informed consent will complete screening procedures to determine eligibility for trial enrollment. Patients who meet the entry criteria will enter the in-patient gene replacement therapy period (Day -1 to Day 3). On Day -1, patients will be admitted to the hospital for pre-treatment baseline procedures. On Day 1, patients will receive a one-time intravenous (IV) infusion of onasemnogene abeparvovec-xioi, and will undergo in-patient safety monitoring over the next 48 hours. Patients may be discharged 48 hours after the infusion, based on Investigator judgment. During the outpatient follow-up period (Days 4 to End of Trial at 18 months of age), patients will return at regularly scheduled intervals for efficacy and safety assessments until the End of Trial when the patient reaches 18 months of age. After the End of Trial visit, eligible patients will be asked to participate into the long-term follow up trial.
All post-treatment visits will be relative to the date on which gene replacement therapy is administered, until the patient is 14 months of age, after which they will be relevant to the patient's date of birth.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Ghent, Belgium
- University Hospital Ghent Neuromuscular reference center
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Liège, Belgium
- Neuropédiatrie - Centre de Référence des Maladies Neuromusculaires
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Paris, France
- Hôpital Armand Trousseau
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Genova, Italy
- Istituto Gianninia Gaslini
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Messina, Italy
- Policlinico "G. Martino"
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Milan, Italy
- University of Milan
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Milan, Italy
- Carlo Besta Neurological Research Institute
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Rome, Italy
- Policlinico Gemelli
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London, United Kingdom
- Great Ormond Street Hospital for Children
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Newcastle Upon Tyne, United Kingdom
- The John Walton Muscular Dystrophy Research Centre MRC Centre for Neuromuscular Diseases at Newcastle
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with SMA Type 1 as determined by diagnosis of SMA based on gene mutation analysis with biallelic SMN1 mutations (deletion or point mutations) and one or two copies of SMN2 [inclusive of the known SMN2 gene modifier mutation (c.859G>C)]
- Patients must be < 6 months (< 180 days) of age at the time of onasemnogene abeparvovec-xioi infusion
- Patients must have a swallowing evaluation test performed prior to administration of gene replacement therapy
Exclusion Criteria:
- Previous, planned or expected scoliosis repair surgery/procedure prior to 18 months of age
- Use of invasive ventilatory support (tracheotomy with positive pressure) or pulse oximetry < 95% saturation at screening
- Use or requirement of non-invasive ventilatory support for 12 or more hours daily in the two weeks prior to dosing
- Patient with signs of aspiration based on a swallowing test or whose weight-for-age falls below the 3rd percentile based on World Health Organization (WHO) Child Growth Standards and unwilling to use an alternative method to oral feeding
- Participation in recent SMA treatment clinical trial (with the exception of observational cohort studies or non-interventional studies) or receipt of an investigational or commercial compound, product or therapy administered with the intent to treat SMA (eg, nusinersen, valproic acid,) at any time prior to screening for this trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Onasemnogene Abeparvovec-xioi
Onasemnogene abeparvovec-xioi is a non-replicating recombinant adeno-associated virus serotype 9 (AAV9) containing the human survival motor neuron (SMN) gene under the control of the cytomegalovirus (CMV) enhancer/chicken β-actin-hybrid promoter (CB).
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Onasemnogene abeparvovec-xioi is a non-replicating recombinant adeno-associated virus serotype 9 (AAV9) containing the human survival motor neuron (SMN) gene under the control of the cytomegalovirus (CMV) enhancer/chicken β-actin-hybrid promoter (CB).
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Participants Who Achieve Independent Sitting for at Least 10 Seconds
Time Frame: From Day 1 up to 18 Months of Age Visit (Up to a Maximum of Approximately 17 Months)
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Independent sitting is defined by the World Health Organization Multicentre Growth Reference Study, confirmed by video recording, as a participant who sits up straight with head erect for at least 10 seconds; participant does not use arms or hands to balance body or support position.
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From Day 1 up to 18 Months of Age Visit (Up to a Maximum of Approximately 17 Months)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Event-free Survival at 14 Months of Age
Time Frame: Up to 14 months of age
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Event-free survival at 14 months of age was defined as the number of participants who did not die, did not require permanent ventilation and did not withdraw from the study by 14 months of age.
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Up to 14 months of age
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Collaborators and Investigators
Sponsor
Investigators
- Study Chair: AveXis Medinfo, Sponsor GmbH
Publications and helpful links
General Publications
- Day JW, Mendell JR, Mercuri E, Finkel RS, Strauss KA, Kleyn A, Tauscher-Wisniewski S, Tukov FF, Reyna SP, Chand DH. Clinical Trial and Postmarketing Safety of Onasemnogene Abeparvovec Therapy. Drug Saf. 2021 Oct;44(10):1109-1119. doi: 10.1007/s40264-021-01107-6. Epub 2021 Aug 12. Erratum In: Drug Saf. 2022 Feb;45(2):191-192.
- Mercuri E, Muntoni F, Baranello G, Masson R, Boespflug-Tanguy O, Bruno C, Corti S, Daron A, Deconinck N, Servais L, Straub V, Ouyang H, Chand D, Tauscher-Wisniewski S, Mendonca N, Lavrov A; STR1VE-EU study group. Onasemnogene abeparvovec gene therapy for symptomatic infantile-onset spinal muscular atrophy type 1 (STR1VE-EU): an open-label, single-arm, multicentre, phase 3 trial. Lancet Neurol. 2021 Oct;20(10):832-841. doi: 10.1016/S1474-4422(21)00251-9.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- AVXS-101-CL-302
- 2017-000266-29 (EudraCT Number)
- COAV101A12301 (Other Identifier: Novartis Pharmaceuticals)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations.
This trial data availability is according to the criteria and process described on https://www.clinicalstudydatarequest.com/.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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