Efficacy and Cost-effectiveness of Spasticity Treatment With Multifocal TENS

Overview

Spasticity is a common consequence of injury to the central nervous system and can be a major problem in motor function and everyday activities. A method for treating spasticity that applies low-amplitude electrical stimulation through a garment with built-in electrodes, Mollii® (Elektrodress), has been developed. The garment is to be used in combination with individualized training and the stimulation is mainly given to antagonists of spastic muscles.

The general objective of this study is to evaluate the efficacy of and costs associated with the Mollii® treatment of spasticity due to stroke or cerebral palsy.

Primary objectives are;

- to study whether treatment with the Mollii® improves function and activity

- to evaluate the cost-effectiveness of the treatment, from both a health-care perspective and a societal perspective.

Secondary objectives are;

- to study whether there are differences in treatment effect between the stroke and the Cerebral Palsy groups in a subgroup-analysis

- to assess compliance with treatment

- to report any adverse effects.

Full Title of Study: “Evaluation of Efficacy and Cost-effectiveness of Spasticity Treatment With Multifocal Transcutaneous Electrical Stimulation, Through a Garment With built-in Electrodes in Combination With Training.”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Crossover Assignment
    • Primary Purpose: Treatment
    • Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
  • Study Primary Completion Date: February 2015

Detailed Description

This study is designed as a double-blinded, randomized, cross-over trial (RCT). This part of the study takes 12 weeks (6 weeks of active treatment and 6 weeks of non-active treatment) and is followed by a wash-out period of 6 weeks. An uncontrolled,open phase starts after week 18, where patients are followed one year after inclusion.

30 participants with spasticity due to Stroke and Cerebral Palsy will be included.

Two centers are recruiting participants and are collecting data.

Outcome measures are chosen to reflect the different dimensions in the International Classification of Functioning, Disability and Health (ICF) and patient reported outcome measures (PROM).

Interventions

  • Device: Multifocal TENS garment (Mollii®)
    • Multifocal transcutaneous electrical stimulation incorporated into a whole-body garment in combination with training

Arms, Groups and Cohorts

  • Experimental: Multifocal TENS
    • Multifocal TENS given in the garment Mollii® (Elektrodress) 1 hour every second day together with individualized training exercises. The steering unit counts down 60 minutes visible for the patient
  • Sham Comparator: Sham treatment
    • Use of the garment Mollii® (Elektrodress) but without the electrical stimulation combined with the individualized training exercises. The steering unit counts down 60 minutes visible for the patient

Clinical Trial Outcome Measures

Primary Measures

  • Goal attainment scaling (GAS)
    • Time Frame: 12 weeks
    • 1 to 3 goals are defined and evaluated using the original GAS scale by Kiresuk
  • Arm-hand ability (ARAT + WMFT tasks 1&2)
    • Time Frame: 12 weeks
    • Action Research Arm Test (ARAT)measuring grasp, grip, pinch and gross movement and this is complemented by Wolf Motor Function Test (WMFT) tasks 1 and 2 measuring active shoulder abduction
  • Mobility
    • Time Frame: 12 weeks
    • 10 meter walking test, divided into comfortable gait test (CGT) and fast gait test (FGT). Outcome is velocity, cadence and stride length. Timed Up & Go (TUG)

Secondary Measures

  • Health related Quality of Life/QALY
    • Time Frame: Baseline, week 6, 12, 18, 52
    • SF-36 and EQ-VAS
  • Self reported pain and spasticity
    • Time Frame: Baseline, week 6, 12, 18, 52
    • Numeric rating scale (NRS)
  • Muscle hypertonicity (Spasticity)
    • Time Frame: Baseline, week 6, 12, 18, 52
    • Modified Ashworth scale (0-5)
  • Range of Motion
    • Time Frame: Baseline, week 6, 12, 18, 52
    • Goniometer
  • Costs
    • Time Frame: Baseline, week 6, 12, 18, 52
    • Costs directly related to intervention Baseline, week 6, 12, 18 Costs from a societal perspective at baseline and week 52
  • Goal Attainment Scaling (GAS)
    • Time Frame: 52 weeks
    • 1 to 3 goals are defined and evaluated using the original GAS scale by Kiresuk
  • Arm-hand ability (ARAT + WMFT tasks 1&2)
    • Time Frame: 52 weeks
    • Action Research Arm Test (ARAT)measuring grasp, grip, pinch and gross movement and this is complemented by Wolf Motor Function Test (WMFT) tasks 1 and 2 measuring active shoulder abduction
  • Mobility
    • Time Frame: 52 weeks
    • 10 meter walking test, divided into comfortable gait test (CGT) and fast gait test (FGT). Outcome is velocity, cadence and stride length. Timed Up & Go (TUG)

Participating in This Clinical Trial

Inclusion Criteria

  • Spasticity due to stroke or Cerebral Palsy
  • Have some preserved walking ability, with or without walking aids
  • Be able to understand the treatment and instruments/interviews used
  • For stroke participants, two years should have elapsed since their injury/insult

Exclusion Criteria

  • Electronic devices
  • Ventriculoperitoneal shunt
  • Arrhythmia
  • Hearth infarction or unstable angina pectoris
  • Symptomatic hyper- or hypotonia
  • Cancer under treatment
  • Unstable psychiatric disease
  • Lung disease, affecting daily life
  • Unstable epileptic disease
  • Orthopedic surgery last year
  • Obesity with BMI > 35
  • Infectious disease with longstanding treatment
  • Pregnancy

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Linkoeping University
  • Collaborator
    • University of Borås
  • Provider of Information About this Clinical Study
    • Principal Investigator: Per Ertzgaard, M.D. – Linkoeping University

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