Long-term Follow-up Study of Patients Receiving Onasemnogene Abeparvovec-xioi
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04042025 |
Recruitment Status :
Active, not recruiting
First Posted : August 1, 2019
Last Update Posted : February 22, 2024
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Condition or disease | Intervention/treatment | Phase |
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Spinal Muscular Atrophy Type I Spinal Muscular Atrophy Type II Spinal Muscular Atrophy Type III SMA | Biological: Onasemnogene Abeparvovec-xioi | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 85 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Long-term Follow-up Study of Patients in the Clinical Trials for Spinal Muscular Atrophy Receiving AVXS-101 |
Actual Study Start Date : | February 10, 2020 |
Estimated Primary Completion Date : | December 31, 2035 |
Estimated Study Completion Date : | December 31, 2035 |
Arm | Intervention/treatment |
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Intravenous (IV) & Intrathecal (IT) Onasemnogene Abeparvovec-xioi
Participants received treatment with IV onasemnogene abeparvovec-xioi in an onasemnogene abeparvovec-xioi or received treatment with IT onasemnogene abeparvovec-xioi in an onasemnogene.
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Biological: Onasemnogene Abeparvovec-xioi
Onasemnogene abeparvovec-xioi is a non-replicating recombinant adeno-associated virus serotype 9 containing the human survival motor neuron gene under the control of the cytomegalovirus enhancer/chicken β-actin-hybrid promoter. Onasemnogene abeparvovec-xioi administered as a one-time intravenous (IV) infusion or intrathecal (IT) injection. Dosage determined by participant weight.
Other Name: Zolgensma |
- Number of Participants Who Reach Developmental Milestones [ Time Frame: Up to 5 years ]Assessed via the developmental milestone checklist, formed of 10 yes/no questions. The developmental milestones are: head control, sitting with support, sitting without support, sitting without support for 30 seconds, hands-and-knees crawling, pulls to stand, standing with assistance, walking with assistance, standing alone and walking alone.
- Change From Baseline in Hammersmith Functional Motor Scale - Expanded (HFMSE) Score [ Time Frame: Up to 5 years ]The HFMSE was devised for use in children with SMA to give objective information on motor ability and clinical progression. The HFMSE is formed of 33 assessments rated from 0 (unable to perform functional task) to 2 (able to perform functional task unassisted). Higher scores on the total scale of 0-66 indicates higher levels of motor ability.
- Number of Participants Who Experience a Clinically Significant Change From Baseline in Pulmonary Assessment Results and Require Ventilatory Support [ Time Frame: Up to 15 years ]Participants will receive pulmonary assessments by a pulmonologist or appropriate clinician. Respiratory device data will be reviewed for participants receiving non-invasive ventilatory support.
- Number of Participants Who Experience Swallowing Dysfunction and Require Nutritional Support [ Time Frame: Up to 5 years ]Assessed via the swallowing function questionnaire, formed of 4 yes/ no questions and 1 body weight question.
- Number of Participants Who Experience a Clinically Significant Change from Baseline in Physical Examination Findings [ Time Frame: Up to 5 years ]The physical examination includes review of the following systems: head, ears, eyes, nose and throat, lungs/thorax, cardiovascular, abdomen, musculoskeletal, neurologic, dermatologic, lymphatic, and genitourinary. In addition, visual inspection of the spine, back, shoulders, and hips looking for spinal curvature and asymmetry will be carried out. Joints will be assessed for loss of mobility and contractures.
- Number of Participants Who Experience a Clinically Significant Change From Baseline in Vital Signs Measurements [ Time Frame: Up to 5 years ]Vital sign measurements will include blood pressure, respiratory rate, pulse, axillary temperature, and pulse oximetry.
- Change From Baseline in Height Measurements [ Time Frame: Up to 5 years ]
- Change From Baseline in Weight Measurements [ Time Frame: Up to 5 years ]
- Number of Participants Who Experience a Clinically Significant Change From Baseline in Clinical Laboratory Assessments [ Time Frame: Up to 5 years ]Blood samples will be collected for hematology (including complete blood cell count) and chemistry.
- Number of Participants Who Experience a Clinically Significant Change From Baseline in Cardiac Assessments [ Time Frame: Up to 5 years ]Cardiac assessments will include a 12-lead electrocardiogram, transthoracic echocardiogram and Troponin-I.
- Number of Participants Who Experience a Clinically Significant Change From Baseline in Observational Phase Questionnaire Results [ Time Frame: Year 6 to Year 15 ]The observational phase questionnaire includes 7 yes/no questions. Observation categories include: adverse events, hospitalizations, concomitant medications, ventilatory support and feeding support.
- Number of Participants Who Experience at Least One Serious Adverse Event (SAE) [ Time Frame: Up to 15 years ]
An SAE is defined as any adverse event (appearance of [or worsening of any pre existing]) undesirable sign(s), symptom(s), or medical conditions(s) which meets any one of the following criteria:
- Fatal
- Life-threatening
- Results in persistent or significant disability/incapacity
- Constitutes a congenital abnormality or birth defect
- Requires in-patient hospitalization or prolongation of existing hospitalization
- Is medically significant e.g. defined as an event that jeopardizes the participant or may require medical or surgical intervention to prevent one of the outcomes listed above
- Number of Participants Who Experience at Least One Adverse Event of Special Interest (AESI) [ Time Frame: Up to 15 years ]
An AESI is defined as an AE occurring during any study phase that fulfills one of the following criteria:
- Hepatotoxicity
- Thrombotic microangiopathy
- Cardiac adverse events
- Dorsal root ganglia toxicity
- New malignancies
- New incidence of a neurologic disorder
- New incidence of an autoimmune disorder
- New incidence of hematologic disorder
- Change From Baseline in Bayley Scales of Infant and Toddler Development [ Time Frame: Up to 42 months, 15 days of age ]Third Edition (Bayley-III) to be performed in all patients up to 42 months, 15 days of age.
- Change From Baseline in Revised Upper Limb Module (RULM) Score [ Time Frame: Up to 5 years ]RULM score is based on a scale from 0 to 37 where lower scores reflect poorer upper limb functional ability.
- Change From Baseline in Cogstate Computerized Cognitive Battery Performed in Age 48 Months and Older [ Time Frame: Up to 5 years ]The Cogstate Computerized Cognitive Battery consists of the Identification Test (scored 0 (best) to 1.5708 (worst)), the International Shopping List Test (scored 0 (worst) to 999 (best)), the International Shopping List Test-Delayed Recall (scored 0 (worst) to 999 (best)), the One Card Learning Test (scored 0 (worst) to 1.5708 (best)), and the One Back Test (scored 0 (worst) to 1.5708 (best)).
- Change From Baseline in Clinical Evaluation of Language Fundamentals Fifth Edition (CELF-5) Performed in All Participants 5 to 21 Years of Age [ Time Frame: Up to 5 years ]The CELF-5 Following Directions and Sentence Repetition subtests use scoring that varies based on age, but will be administered to participants 5-21 years of age. The Following Directions subtest will be scored from 0-33 with higher score being more advanced and the Recalling Sentences subtest will be scored from 0-78 with higher score being more advanced.
- Change From Baseline in Assessment of Caregiver Experience With Neuromuscular Disease (ACEND) [ Time Frame: Up to 5 years ]ACEND score is based on a scale from 1 to 41 where higher scores represent a better caregiver experience
- Number of Participants With Concomitant Medications Overall and by Type of Medications [ Time Frame: Up to 5 years ]
- Number of Participants With Other SMA Therapies Overall and by Type of Medications [ Time Frame: Year 6 to Year 15 ]
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Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Any participant with SMA who received onasemnogene abeparvovec-xioi gene replacement therapy in a Novartis Gene Therapies-sponsored clinical study
- Participant/parent/legal guardian willing and able to complete the informed consent process and comply with study procedures and visit schedule
Exclusion Criteria:
- Parent/legal guardian unable or unwilling to participate in the long-term follow-up safety study
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04042025
Study Chair: | Sitra Tauscher-Wisniewski, MD | Novartis Gene Therapies, Inc. |
Responsible Party: | Novartis Gene Therapies |
ClinicalTrials.gov Identifier: | NCT04042025 |
Other Study ID Numbers: |
AVXS-101-LT-002 2019-002611-26 ( EudraCT Number ) 205305 ( Other Identifier: JapicCTI ) COAV101A12103 ( Other Identifier: Novartis Pharmaceuticals ) |
First Posted: | August 1, 2019 Key Record Dates |
Last Update Posted: | February 22, 2024 |
Last Verified: | February 2024 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Gene replacement |
Muscular Atrophy Muscular Atrophy, Spinal Spinal Muscular Atrophies of Childhood Atrophy Spinal Cord Diseases Pathological Conditions, Anatomical Neuromuscular Manifestations Neurologic Manifestations |
Nervous System Diseases Central Nervous System Diseases Motor Neuron Disease Neurodegenerative Diseases Neuromuscular Diseases Heredodegenerative Disorders, Nervous System Genetic Diseases, Inborn |