Powered Exoskeleton for the Treatment of Elbow Spasticity

2016-10-18 02:08:21 | BioPortfolio


This is a phase-II clinical study to assess whether intense passive mobilization of the elbow during the early stage is effective in preventing spasticity from occurring at a later stage. A group of subacute stroke patients was treated with the NEUROExos Elbow Module (NEEM) system on a daily basis, in addition to traditional physical therapy. The outcome was assessed in terms of (i) system safety, (ii) system usability and (iii) treatment efficacy.

Investigators expected that intense therapy performed in the sub-acute phase following the stroke would be effective in preventing elbow spasticity from occurring at a later stage (i.e. 3-4 months after the stroke), the latter being quantified by means of the Modified Ashworth Scale (MAS). Similarly to other phase-II studies in the field of post-stroke rehabilitation, the present study will include only one group of patients. As a secondary objective, similarly to other studies with robot-assisted therapy, investigators wiil test the ability of this system to be used for assessing rehabilitation outcome. Investigators will introduce novel evaluation metrics based on the kinematics and kinetics variables recorded by the NEEM and compared them with MAS values.

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Muscle Spasticity


Robotic treatment




Auxilium Vitae Volterra

Results (where available)

View Results


Published on BioPortfolio: 2016-10-18T02:08:21-0400

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Medical and Biotech [MESH] Definitions

A form of muscle hypertonia associated with upper MOTOR NEURON DISEASE. Resistance to passive stretch of a spastic muscle results in minimal initial resistance (a "free interval") followed by an incremental increase in muscle tone. Tone increases in proportion to the velocity of stretch. Spasticity is usually accompanied by HYPERREFLEXIA and variable degrees of MUSCLE WEAKNESS. (From Adams et al., Principles of Neurology, 6th ed, p54)

A centrally acting muscle relaxant that has been used for the symptomatic treatment of spasticity and muscle spasm. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1211)

Continuous involuntary sustained muscle contraction which is often a manifestation of BASAL GANGLIA DISEASES. When an affected muscle is passively stretched, the degree of resistance remains constant regardless of the rate at which the muscle is stretched. This feature helps to distinguish rigidity from MUSCLE SPASTICITY. (From Adams et al., Principles of Neurology, 6th ed, p73)

Skeletal muscle relaxant that acts by interfering with excitation-contraction coupling in the muscle fiber. It is used in spasticity and other neuromuscular abnormalities. Although the mechanism of action is probably not central, dantrolene is usually grouped with the central muscle relaxants.

A heterogeneous group of nonprogressive motor disorders caused by chronic brain injuries that originate in the prenatal period, perinatal period, or first few years of life. The four major subtypes are spastic, athetoid, ataxic, and mixed cerebral palsy, with spastic forms being the most common. The motor disorder may range from difficulties with fine motor control to severe spasticity (see MUSCLE SPASTICITY) in all limbs. Spastic diplegia (Little disease) is the most common subtype, and is characterized by spasticity that is more prominent in the legs than in the arms. Pathologically, this condition may be associated with LEUKOMALACIA, PERIVENTRICULAR. (From Dev Med Child Neurol 1998 Aug;40(8):520-7)

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