Mechanical peripheral stimulation for the treatment of gait disorders in patients with Parkinson's disease: a multi-centre, double-blind, crossover randomized controlled trial.

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BackgroundPharmacological, surgical and physical therapies ameliorate motor and non-motor symptoms in Parkinson's disease (PD). Unfortunately, the progression of the disease induces deterioration in daily activities, especially in gait and balance. Invasive and non invasive medical devices have been developed to alleviate drug-resistant symptoms in patients with advanced PD, and automated mechanical peripheral stimulation (AMPS) has been proposed as a new rehabilitative approach.MethodsThis multicentre, double-blind, crossover randomized controlled trial included 83 participants with PD assigned to two groups: AMPS treatment (Gondola® group, n = 40) and placebo treatment (SHAM group, n = 43). The intervention consisted of 6 sessions of stimulation over 3 weeks (AMPS or SHAM), interspersed with a wash-out period of 6 weeks, before switching groups. The aim of this study was to evaluate the effects of AMPS treatment on gait speed and gait-related disorders in subjects with PD.ResultsThe Gondola® device resulted in a moderate clinical impact on gait speed in people with PD since the improvement in walking speed exceeded the cut-off of 0.14 m/s in both treatments. The improvement in walking velocity was accompanied by a significantly longer stride length and a prominent increase in % stride length without altering gait cadence in the Gondola® group compared with the SHAM group.ConclusionsAMPS stimulation improved gait speed in people with PD. Trial registration ClinicalTrials.gov identifier: NCT03843268. Date of registration: 12 Feb 2019, retrospectively registered.

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