Study of the Functional Effects of Nusinersen in 5q-spinal Muscular Amyotrophy Adults (SMA Type 2 or 3 Forms)
study id #: NCT04576494
condition: Spinal Muscular Atrophy
status: Not yet recruitingpurpose:
Spinal Muscular Atrophy (SMA) is an autosomal recessive disease caused by a mutation of exon 7, in 95% of cases, encoding the gene for the motor neuron survival protein called SMN1 (Survival Motor Neuron) located on chromosome 5q. Patients with an SMA-5q mutation suffer from progressive muscle deficiency and subsequent atrophy induced by degeneration of motor neurons in the spinal cord. Gene therapy is now available for the management of spinal muscular atrophy and nusinersen is the first approved treatment. Nusinersen has been granted marketing authorization in France since May 30, 2017. Nusinersen has a high level of medical service rendered (MSR) for types I, II, and III, but the improvement in medical service rendered (IMSR) is assessed as moderate for types I and II. For Type III, IMSR is not known.
intervention: Monthly assessments of functional motor abilities by a trained therapist, Nusinersen
last updated: February 04, 2022
start date: December 2020
estimated completion: May 2024
last updated: October 6, 2020
phase of development: Not Applicable
size / enrollment: 24
study description: The aim of the study will be to evaluate the impact on functional motor abilities of intrathecally-injected nusinersen in adult 5q-SMA type 2 and type 3 persons.
If the efficacy of nusinersen protocol will demonstrate the positive impact for patient's, the results of this study would promote an improvement in the medical service rendered in this population in terms of disease stabilization, maintenance of functional capacities and social participation.
- functional motor ability
functional motor abilities will be evaluate using the Motor Function Measure global score. The Motor Function Measure is composed of 32 items, sides from 0 to 3. A high score indicates a better motor function, which can reach a maximum of 96 points. The average duration of the test is about 40 minutes.
- 19 months
• Eligible Sexes: all
Adults (over 18 years of age)
5q-SMA type 2 or 3
with indication for nusinersen treatment by the physician of the center of reference and competence for neuromuscular diseases
accepting treatment by nusinersen
Agreeing to participate in the study (signature of the informed consent form).
living within a radius of 40 km of the investigation center (for logistical reasons related to the conduct of assessments in the patient's home).
affiliated to a social security system.
exclusion criteria :
minors (less than 18 years of age)
with a contra-indication to the nusinersen: pregnancy, breast feeding, hypersensitivity to the nusinersen
with a contraindication to lumbar puncture: hemostasis disorder, intracerebral mass
benefiting from another gene therapy drug to treat spinal muscular atrophy.
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