Working on Asymmetry in Parkinson's Disease

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

42 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-03-31

Study Completion Date

2014-09-30

Brief Summary

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Freezing of gait (FOG) is a disabling episodic gait disturbance that is common among patients with Parkinson's disease (PD). The symptoms of PD generally show an asymmetric onset and progression.

In particular, impairments in rhythmicity, symmetry, and bilateral coordination have been reported to be associated with FOG episodes. As the maintenance of gait depends on the precise alternating movements of both legs, irregularities in rhythm, symmetry, and bilateral coordination may impair gait sequence, potentially causing freezing.

Results of recent studies strongly suggest that bilateral uncoordinated gait and marked gait asymmetry are associated with FOG. Moreover, it has recently been hypothesized that this may lead to a degree of asymmetric motor function, and that FOG in parkinsonian patients is triggered by a breakdown in the bilateral co-ordination underlying the normal timing of gait. Aim of the study was to evaluate how the modulation of asymmetry through physical therapy might improve gait and FOG.

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Detailed Description

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The patients will be'blind' to the study protocol and will be randomly assigned to one of the three study arms: 1) physiotherapy aimed to potentiate the more affected body side (worst side improvement, WSI); 2) physiotherapy aimed to potentiate the less affected body side (best side improvement, BSI); 3) physiotherapy aimed to potentiate both sides equally (standard treatment, ST). Each group will be undergo physiotherapy twice a week for three months. Each session will have duration of one hour and include a first part of warming up, a final part of cooling down (these two parts are the same for all the groups) and an active part (which is different from group to group). The active part includes exercises which are alike for all the groups but with a number of repetitions different from group to group according to the aim of potentiating the most affected side (WSI) or the least affected side (BSI) or both sides equally (in this case the number of repetitions was the same for both sides; ST). Medical treatment will be kept stable through all the study duration; medications are expressed as levodopa daily dose equivalent (LEDD).

Conditions

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Parkinson's Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Study Groups

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Best Side Improvement

Physical Therapy BSI (Best Side Improvement), aimed to potentiate the less affected body side.

Group Type EXPERIMENTAL

Physical Therapy BSI

Intervention Type BEHAVIORAL

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down (these two parts were the same for all the groups) and an active part that includes exercises with a number of repetitions according to the aim of potentiating the least affected side (BSI).

Worse side improvement

Physical Therapy WSI (Worst Side Improvement), aimed to potentiate the most affected body side.

Group Type EXPERIMENTAL

Physical Therapy WSI

Intervention Type BEHAVIORAL

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down (these two parts were the same for all the groups) and an active part that includes exercises with a number of repetitions according to the aim of potentiating the most affected side (WSI).

Standard treatment

Physical Therapy ST (Standard Treatment), aimed to potentiate both sides equally.

Group Type ACTIVE_COMPARATOR

Physical Therapy ST

Intervention Type BEHAVIORAL

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down and an active part that includes exercises with a number of repetitions according to the aim of potentiating both sides equally (ST). In this case the number of repetitions was the same for both sides.

Interventions

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Physical Therapy WSI

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down (these two parts were the same for all the groups) and an active part that includes exercises with a number of repetitions according to the aim of potentiating the most affected side (WSI).

Intervention Type BEHAVIORAL

Physical Therapy BSI

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down (these two parts were the same for all the groups) and an active part that includes exercises with a number of repetitions according to the aim of potentiating the least affected side (BSI).

Intervention Type BEHAVIORAL

Physical Therapy ST

Each session has duration of one hour and includes a first part of warming up, a final part of cooling down and an active part that includes exercises with a number of repetitions according to the aim of potentiating both sides equally (ST). In this case the number of repetitions was the same for both sides.

Intervention Type BEHAVIORAL