Effects of AMPS on Cardiovascular Variables in Patients With Parkinson's Disease

NCT ID: NCT04251728

Last Updated: 2024-04-16

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

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-07-30

Study Completion Date

2023-04-30

Brief Summary

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This study evaluates the addition of automated mechanical peripheral stimulation (AMPS) to physical exercise in the treatment of cardiovascular and motor disabilities in Parkinson's patients. Half of participants will receive AMPS and exercise, while the other half will receive a simulated session (SHAM) and exercise.

Detailed Description

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Cardiovascular abnormalities are frequent in Parkinson's disease (PD) even in the early stages. As consequence, patients may experience orthostatic hypotension and/or arterial hypertension in the supine posture, especially at night. Thus, the management of dysautonomia in patients with PD is challenging.

Automated mechanical peripheral stimulation (AMPS) has been recently proposed as therapy for motor and cardiovascular improvements in patients with PD. On the other hand, physical exercise has been recommended for patients with PD showing to be effective in improving physical conditioning and cognitive function.

However, the combined effects of AMPS and exercise on cardiovascular variables and functional capacity of patients with PD are still unknown.

Therefore, volunteers will be randomly allocated into two groups: 1) exercise group: will be submitted to a program of 24 exercise sessions, along with 2 weekly sessions of SHAM AMPS for 12 weeks. 2) AMPS groups: will be submitted to the program of 24 exercise sessions, along with 2 weekly sessions of AMPS during the same period.

AMPS sessions will be held prior to exercise sessions. Before and after the 12-week program, all volunteers will be submitted to assessments of cardiac autonomic control, timed up and go, and cardiopulmonary exercise testing to assess aerobic functional capacity.

The hypothesis is that the exercise program combined with AMPS therapy will provide greater improvement on the cardiovascular function and aerobic functional capacity in patients with PD, than the exercise program alone.

Conditions

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Parkinson Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

A randomized, double-blind, two-arm, parallel-group study
Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors
Participants will be assigned to Exercise plus AMPS group or Exercise plus Placebo. The placebo consist in replicating the same experimental setting and procedure, but the intensity of the stimulus is not sufficient to elicit an effect.

The outcomes assessor will be in charge only of the evaluations with no information about the group participants belong to.

Study Groups

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Exercise plus AMPS group (AMPS-G)

Physical exercise and automated mechanical peripheral stimulation (AMPS) with intensity at the pain threshold, performed two times a week for 12 weeks.

Group Type EXPERIMENTAL

Automated mechanical peripheral stimulation

Intervention Type DEVICE

Automated mechanical pressure reaching the pain threshold in four specific points at the foots soles

Physical Exercise

Intervention Type OTHER

The exercise program will be conducted for 12 weeks lasting 1 hour each session. Sessions will be held in groups and each session will comprise 4 steps: 1) Warm-up (5 min): patients will perform stretching of the main muscle groups of upper limbs, lower limbs and trunk; 2) Aerobic exercise (30 min): patients will perform continuous aerobic exercise consisting of walk on flat ground and ramps; 3) Resistance exercise training (20 min): volunteers will perform resistance exercises (2 sets x 15 repetitions) for upper and lower limbs, and trunk working the following muscle groups: shoulder flexors, extensors and abductors; elbow flexors and extensors; trunk extensors and flexors; knee flexors and extensors; and dorsiflexors and plantar flexors; 4) Cool-down (5 min): Stretching of the main muscle groups worked during the sessions and relaxation.

Exercise plus SHAM group (Exercise-G)

Physical exercise and simulated automated mechanical peripheral stimulation (AMPS) with intensity at the sensory threshold performed two times a week for 12 weeks.

Group Type SHAM_COMPARATOR

Physical Exercise

Intervention Type OTHER

The exercise program will be conducted for 12 weeks lasting 1 hour each session. Sessions will be held in groups and each session will comprise 4 steps: 1) Warm-up (5 min): patients will perform stretching of the main muscle groups of upper limbs, lower limbs and trunk; 2) Aerobic exercise (30 min): patients will perform continuous aerobic exercise consisting of walk on flat ground and ramps; 3) Resistance exercise training (20 min): volunteers will perform resistance exercises (2 sets x 15 repetitions) for upper and lower limbs, and trunk working the following muscle groups: shoulder flexors, extensors and abductors; elbow flexors and extensors; trunk extensors and flexors; knee flexors and extensors; and dorsiflexors and plantar flexors; 4) Cool-down (5 min): Stretching of the main muscle groups worked during the sessions and relaxation.

SHAM

Intervention Type DEVICE

Automated mechanical pressure reaching the sensory threshold in four specific points at the foots soles

Interventions

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Automated mechanical peripheral stimulation

Automated mechanical pressure reaching the pain threshold in four specific points at the foots soles

Intervention Type DEVICE

Physical Exercise

The exercise program will be conducted for 12 weeks lasting 1 hour each session. Sessions will be held in groups and each session will comprise 4 steps: 1) Warm-up (5 min): patients will perform stretching of the main muscle groups of upper limbs, lower limbs and trunk; 2) Aerobic exercise (30 min): patients will perform continuous aerobic exercise consisting of walk on flat ground and ramps; 3) Resistance exercise training (20 min): volunteers will perform resistance exercises (2 sets x 15 repetitions) for upper and lower limbs, and trunk working the following muscle groups: shoulder flexors, extensors and abductors; elbow flexors and extensors; trunk extensors and flexors; knee flexors and extensors; and dorsiflexors and plantar flexors; 4) Cool-down (5 min): Stretching of the main muscle groups worked during the sessions and relaxation.

Intervention Type OTHER

SHAM

Automated mechanical pressure reaching the sensory threshold in four specific points at the foots soles

Intervention Type DEVICE

Other Intervention Names

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Mechanical somatosensory stimulation Gondola Exercise Aerobic exercise

Eligibility Criteria

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Inclusion Criteria

* Clinical diagnosis of idiopathic Parkinson's disease
* Scoring 1 to 3 on the Hoehn and Yhar scale
* Pharmacological treatment unchanged for at least 30 days prior the study

Exclusion Criteria

* Signs of cognitive decline, based on the results of the Mini Mental State Examination
* Cardiorespiratory, neuromuscular and musculoskeletal diseases not related to PD
* Sensory peripheral neuropathy, diabetes or any other disease known to promote autonomic dysfunction
* Changes in pharmacological treatment after inclusion in the study
Minimum Eligible Age

30 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Fondo Nacional de Desarrollo Científico y Tecnológico, Chile

OTHER_GOV

Sponsor Role collaborator

Universidad Católica del Maule

OTHER

Sponsor Role lead

Responsible Party

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Antonio Roberto Zamunér

Adjunct Professor - Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Antonio R Zamunér, PhD

Role: PRINCIPAL_INVESTIGATOR

Universidad Católica del Maule

Locations

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Universidad Católica del Maule

Talca, Maule Region, Chile

Site Status

Countries

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Chile

References

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Other Identifiers

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183/2018

Identifier Type: -

Identifier Source: org_study_id

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