Gene Transfer Clinical Trial for Spinal Muscular Atrophy Type 1
NCT ID: NCT02122952
Last Updated: 2022-09-15
Study Results
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View full resultsBasic Information
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COMPLETED
PHASE1
15 participants
INTERVENTIONAL
2014-05-05
2017-12-15
Brief Summary
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Detailed Description
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Open-label, dose-escalation clinical trial of AVXS-101 injected intravenously through a peripheral limb vein. Short-term safety will be evaluated over a two year period. Patients will be tested at baseline and return for follow up visits on days 7, 14, 21, 30, followed by once every month through 12 months post dose, and then every three months through two (2) years post infusion. Unscheduled visits may occur if the PI determines that they are necessary.
The primary analysis for efficacy will be assessed when all patients reach 13.6 months of age (a database lock will be performed at the time point at which all patients reach 13.6 months of age). A follow-up safety analysis will be completed at the time point at which the last patient reaches 24 months post-dose.
Upon completion of the 2-year study period, patients will be monitored annually as per standard of care for up to 15 years.
Conditions
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Study Design
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NON_RANDOMIZED
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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Cohort 1
6.7 X 10\^13 vg/kg of AVXS-101 delivered one-time through a venous catheter inserted into a peripheral vein (n=3)
AVXS-101
Self-complementary AAV9 carrying the SMN gene under the control of a hybrid CMV enhancer/chicken-β-actin promoter
Cohort 2
2.0 X 10\^14 vg/kg of AVXS-101 delivered one-time through a venous catheter inserted into a peripheral vein (n=12)
AVXS-101
Self-complementary AAV9 carrying the SMN gene under the control of a hybrid CMV enhancer/chicken-β-actin promoter
Interventions
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AVXS-101
Self-complementary AAV9 carrying the SMN gene under the control of a hybrid CMV enhancer/chicken-β-actin promoter
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Diagnosis of SMA based on gene mutation analysis with bi-allelic SMN1 mutations (deletion or point mutations) and 2 copies of SMN2.
* Onset of disease at birth up to 6 months of age.
* Hypotonia by clinical evaluation with delay in motor skills, poor head control, round shoulder posture and hypermobility of joints.
Exclusion Criteria
* Use of invasive ventilatory support (tracheotomy with positive pressure)\* or pulse oximetry \<95% saturation.
* Patients may be put on non-invasive ventilator support (BiPAP) for less than 16 hours a day at the discretion of their physician or research staff.
* Concomitant illness that in the opinion of the PI creates unnecessary risks for gene transfer
* Concomitant use of any of the following drugs: drugs for treatment of myopathy or neuropathy, agents used to treat diabetes mellitus, or ongoing immunosuppressive therapy or immunosuppressive therapy within 3 months of starting the trial (e.g. corticosteroids, cyclosporine, tacrolimus, methotrexate, cyclophosphamide, intravenous immunoglobulin, rituximab)
* Patients with Anti-AAV9 antibody titers \>1:50 as determined by ELISA binding immunoassay.
* Abnormal laboratory values considered clinically significant (GGT \> 3XULN, bilirubin ≥ 3.0 mg/dL , creatinine ≥ 1.8 mg/dL, Hgb \< 8 or \> 18 g/Dl; WBC \> 20,000 per cmm) Participation in a recent SMA treatment clinical trial that in the opinion of the PI creates unnecessary risks for gene transfer.
* Family does not want to disclose patient's study participation with primary care physician and other medical providers.
* Patient with signs of aspiration based on a swallowing test and unwilling to use an alternative method to oral feeding.
* Patients with a single base substitution in SMN2 (c.859G\>C in exon 7) will be excluded based on predicted mild phenotype.
6 Months
ALL
No
Sponsors
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Novartis Gene Therapies
INDUSTRY
Responsible Party
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Principal Investigators
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Jerry R Mendell, MD
Role: PRINCIPAL_INVESTIGATOR
The Research Institute at Nationwide Children's Hospital
Locations
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Nationwide Children's Hospital
Columbus, Ohio, United States
Countries
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References
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Bevan AK, Duque S, Foust KD, Morales PR, Braun L, Schmelzer L, Chan CM, McCrate M, Chicoine LG, Coley BD, Porensky PN, Kolb SJ, Mendell JR, Burghes AH, Kaspar BK. Systemic gene delivery in large species for targeting spinal cord, brain, and peripheral tissues for pediatric disorders. Mol Ther. 2011 Nov;19(11):1971-80. doi: 10.1038/mt.2011.157. Epub 2011 Aug 2.
Bevan AK, Hutchinson KR, Foust KD, Braun L, McGovern VL, Schmelzer L, Ward JG, Petruska JC, Lucchesi PA, Burghes AH, Kaspar BK. Early heart failure in the SMNDelta7 model of spinal muscular atrophy and correction by postnatal scAAV9-SMN delivery. Hum Mol Genet. 2010 Oct 15;19(20):3895-905. doi: 10.1093/hmg/ddq300. Epub 2010 Jul 16.
Foust KD, Wang X, McGovern VL, Braun L, Bevan AK, Haidet AM, Le TT, Morales PR, Rich MM, Burghes AH, Kaspar BK. Rescue of the spinal muscular atrophy phenotype in a mouse model by early postnatal delivery of SMN. Nat Biotechnol. 2010 Mar;28(3):271-4. doi: 10.1038/nbt.1610. Epub 2010 Feb 28.
Foust KD, Nurre E, Montgomery CL, Hernandez A, Chan CM, Kaspar BK. Intravascular AAV9 preferentially targets neonatal neurons and adult astrocytes. Nat Biotechnol. 2009 Jan;27(1):59-65. doi: 10.1038/nbt.1515. Epub 2008 Dec 21.
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.
Lowes LP, Alfano LN, Arnold WD, Shell R, Prior TW, McColly M, Lehman KJ, Church K, Sproule DM, Nagendran S, Menier M, Feltner DE, Wells C, Kissel JT, Al-Zaidy S, Mendell J. Impact of Age and Motor Function in a Phase 1/2A Study of Infants With SMA Type 1 Receiving Single-Dose Gene Replacement Therapy. Pediatr Neurol. 2019 Sep;98:39-45. doi: 10.1016/j.pediatrneurol.2019.05.005. Epub 2019 May 13.
Dabbous O, Maru B, Jansen JP, Lorenzi M, Cloutier M, Guerin A, Pivneva I, Wu EQ, Arjunji R, Feltner D, Sproule DM. Survival, Motor Function, and Motor Milestones: Comparison of AVXS-101 Relative to Nusinersen for the Treatment of Infants with Spinal Muscular Atrophy Type 1. Adv Ther. 2019 May;36(5):1164-1176. doi: 10.1007/s12325-019-00923-8. Epub 2019 Mar 16.
Al-Zaidy S, Pickard AS, Kotha K, Alfano LN, Lowes L, Paul G, Church K, Lehman K, Sproule DM, Dabbous O, Maru B, Berry K, Arnold WD, Kissel JT, Mendell JR, Shell R. Health outcomes in spinal muscular atrophy type 1 following AVXS-101 gene replacement therapy. Pediatr Pulmonol. 2019 Feb;54(2):179-185. doi: 10.1002/ppul.24203. Epub 2018 Dec 12.
Mendell JR, Al-Zaidy S, Shell R, Arnold WD, Rodino-Klapac LR, Prior TW, Lowes L, Alfano L, Berry K, Church K, Kissel JT, Nagendran S, L'Italien J, Sproule DM, Wells C, Cardenas JA, Heitzer MD, Kaspar A, Corcoran S, Braun L, Likhite S, Miranda C, Meyer K, Foust KD, Burghes AHM, Kaspar BK. Single-Dose Gene-Replacement Therapy for Spinal Muscular Atrophy. N Engl J Med. 2017 Nov 2;377(18):1713-1722. doi: 10.1056/NEJMoa1706198.
Provided Documents
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Document Type: Study Protocol
Document Type: Statistical Analysis Plan
Related Links
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Center for Gene Therapy, The Research Institute at Nationwide Children's Hospital
AveXis, Inc
Novartis Clinical Trial Results
Other Identifiers
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COAV101A12101
Identifier Type: OTHER
Identifier Source: secondary_id
AVXS-101-CL-101
Identifier Type: -
Identifier Source: org_study_id
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