Neuroplasticity in Parkinson´s Disease After Training

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

95 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-08-15

Study Completion Date

2019-12-23

Brief Summary

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This project aims to determine the effects of the HiBalance program on neuroplastic changes in people with mild to moderate Parkinson´s disease. The main hypothesis is that highly challenging exercise will lead to greater gait and balance ability, increased levels of physical activity and an improved health related quality of life. The investigators further hypothesize that neuroplasticity changes will be seen in corresponding areas of the brain, neuropsychological changes on cognitive test measures, and that exercise will inhibit the degeneration of dopaminergic neurons in the brain through the mediation of neurotrophic factors.

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Detailed Description

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Parkinson's disease (PD) is a neurodegenerative disease affecting many physiological systems essential for balance control. New findings suggest that intensive, challenging and cognitively demanding exercises could induce neuroplasticity in PD. A new balance training (the HiBalance program) have therefore been developed; emphasizing critical aspects of balance control through highly challenging and progressive exercises incorporating dual/multi-tasking (Conradsson et al, 2012). In an RCT, the HiBalance-program was shown to improve balance, gait and physical activity level in favor for the training group (Conradsson et al, 2015). In this proposal the investigators will combine physiotherapy, neurology and neuroimaging to characterise and determine the effects on physical and cognitive symptoms as well as structural and functional changes and wet biomarkers in the brain after the training.

Participants will be recruited through Karolinska University Hospital and via announcements in relevant forums like for instance the Swedish Parkinson Association. According to earlier power calculations for detecting effects in balance and gait measures after this particular intervention, the investigators anticipate 40 to 50 participants in each group to detect significant changes.

The investigators will perform both per protocol analysis and intention to treat analysis using mixed model or repeated measurement ANOVAs if the data is normally distributed.

Conditions

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Parkinson Disease Physical Activity Gait Disorders, Neurologic Neural Degeneration

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Investigator and outcome assessors are masked to group allocation at baseline assessment. Care providers are masked to results of the assessments.

Participants are masked to the studied intervention/treatment.

Study Groups

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HiBalance

The HiBalance program is based on scientifically well-established principles of exercise training and postural control as well as current research on training in PD. The training will be conducted as a progressive individually adjusted group program in order to challenge the specific balance disorder of every participant and endorse progression. The intervention will be performed for an hour, 2 times/week in groups of six to eight participants for a total of 10 weeks and one home training session on their own.

Group Type EXPERIMENTAL

HiBalance

Intervention Type BEHAVIORAL

Intervention of highly challenging balance training for 10 weeks.

Speech therapy

The control group will receive a group treatment (2 times/w for 10 w + 1 home training session) consisting of speech and communication therapy performed by a speech therapist. This intervention will be performed in a sitting position. The speech and communication treatment will aim at increasing vocal loudness and improving articulatory precision. Level of difficulty is gradually increased by progressing from using loud voice and clear speech in short and automatized utterances, to using the same technique in more complex sentences and situations. The group format is used to practice techniques in communicative situations and also to introduce increasing level of multitasking by combining speech training with cognitively more challenging tasks in the group training.

Group Type ACTIVE_COMPARATOR

Speech and communication therapy

Intervention Type BEHAVIORAL

Intervention conducted by speech and language therapist for 10 weeks.

Interventions

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HiBalance

Intervention of highly challenging balance training for 10 weeks.

Intervention Type BEHAVIORAL

Speech and communication therapy

Intervention conducted by speech and language therapist for 10 weeks.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of idiopathic Parkinson´s disease
* Hoehn \& Yahr 2-3
* ≥ 60 years of age
* Be able to ambulate indoors without mobility aid
* Balance impairment

Exclusion Criteria

* =\< 21 points on MoCA
* Other medical conditions that could substantially influence balance performance, voice or speech performance or participation in the interventions
* Participating in an intensive exercise program for balance or speech during the last six months.

Minimum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No