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Parkinson's DiseaseCybexPD001NCT02101528

Determination of Muscle Strength in Parkinsonian Patients Through the Use of an Isokinetic Dynamometer

An observational study of Parkinson's Disease, run by Ospedale Generale Di Zona Moriggia-Pelascini at 1 site in Italy.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Decreased muscle strength has been reported to be a factor contributing to increased incidences of falling in the elderly patients causing fractures, joint dislocations, severe soft tissue lesions and head trauma. Read more about this study

Who is it for?
Ages 55 to 79 yearsHealthy volunteers can take part
Conditions the study is for
Parkinson's Disease
How many people
40 participants
Where
1 siteItaly
Study dates
Jan 2013to Mar 2014
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 55 to 79 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Patients diagnosed with PD in stage 2-3 of Hoen\&Yahr according to the United Kingdom Brain Bank criteria. Healthy Volunteers

Who may be able to join

  • PD in stage 2-3 of Hoen\&Yahr according to the United Kingdom Brain Bank criteria.

Who cannot join

  • Atypical parkinsonisms
  • PD patients with relevant orthopedic
  • Rheumatic and muscular conditions

Trial locations and contacts

1 site in 1 country.

Italy1 site
  • Fondazione Salvatore Maugeri

    Montescano, Pavia, 27100

Other trials in Italy

About this study

Decreased muscle strength has been reported to be a factor contributing to increased incidences of falling in the elderly patients causing fractures, joint dislocations, severe soft tissue lesions and head trauma. Parkinson's Disease (PD) patients often complain of weakness and it has been reported that they have reduced muscle strength, decreased rate of force development, impaired ability to maintain constant force, and increased muscle coactivation during balance perturbation tasks. The specific cause of this weakness is not known, and in this study the investigators have analyzed and measured isokinetic muscle strength in PD patients to clarify this issue. The investigators have compared the data obtained with those of age-matched controls.

Read the detailed description

An isokinetic muscle action is defined by its performance at a constant speed or velocity. The laboratory measurements of isokinetic strength provides torque measurements throughout the active range of motion during a maximal effort. Torque is the force rotating about an axis and is produced and recorded from the angular motion. Consequently, the peak torque is an index of the muscular strength. Isokinetic testing was introduced as a quantitative measurement of both statistic and dynamic muscular contraction in which all variables involved (resistance, limb velocity, joint position) are under control. This is because isokinetic muscle testing allows objective, valid, and reliable measurement of the force produced by skeletal muscle during exercise at constant velocity and accommodating resistance and it is appropriate for measuring muscle strength and muscle endurance across the disability spectrum.

Decreased muscle strength has been reported to be a factor contributing to increased incidences of falling in the elderly patients causing fractures, joint dislocations, severe soft tissue lesions and head trauma. Parkinson's Disease (PD) patients often complain of weakness and it has been reported that they have reduced muscle strength, decreased rate of force development, impaired ability to maintain constant force, and increased muscle coactivation during balance perturbation tasks. The specific cause of this weakness is not known, and in this study the investigators have analyzed and measured isokinetic muscle strength in PD patients to clarify this issue. the investigators have compared the data obtained with those of age-matched controls.

Keywords
Strength in PD patients, Isokinetic muscle strength
Medical subject headings
Parkinson Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT02101528
Study groupRoleWhat they receive
PD PatientsPD patients with a diagnosis of "clinically probable" idiopathic PD in Hoehn-Yahr stage 2-3, with the ability to walk without any assistance, with mini-mental state examination score ≥26, without any relevant comorbidity or vestibular/visual dysfunctions limiting locomotion or balance.
Controlsage and sex matched healthy volunteers

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Isokinetic strength

    Laboratory measurements of isokinetic strength

    Measured: One month

Secondary outcomes (1)
  1. Muscle functionality

    To establish whether a Intensive Rehabilitation Treatment change the muscle functionality in these patients, and to determine whether isokinetic dynamometry is a reliable method for evaluating muscle strength in patients with PD.

    Muscle strength was measured in lower limbs with the subjects in a sitting position with hip flexed at 90°. To account for the influence of the gravity effect torque, data were corrected by the weight of the subject's lower limb at 45°. Subjects were tested at three fixed angular velocities: 90°/s, 120°/s, 180°/s. The subjects began each isokinetic contraction with the knee flexed at 90° and continued through the full range of motion. Peaks torque were obtained from the maximum isokinetic tests and subsequently analyzed.

    Measured: One month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Apr 2014 (estimated)
  2. Study startJan 2013
  3. Primary completionDec 2013
  4. Study completionMar 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Cross-sectional
Enrolment
40 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02101528
Sponsor's protocol ID
CybexPD001
Other IDs
CybexPD001
Acronym
CybexPD001
Status last verified
Mar 2014
First submitted
21 Mar 2014
Last updated
2 Apr 2014
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

An observational study of Parkinson's Disease, run by Ospedale Generale Di Zona Moriggia-Pelascini at 1 site in Italy.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 2 Apr 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Italy. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Isokinetic strength (time frame: One month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Apr 2014.

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