Motor Learning in Knee Osteoarthritis (MLKOA)

June 22, 2020 updated by: Wondrasch, St. Pölten University of Applied Sciences

Motor Learning in Knee Osteoarthritis Therapy - A New Rehabilitation Approach

Non-surgical treatment options, like exercise therapy, show excellent short-term effects regarding pain reduction and improvement of knee function. However, mid- and long-term effects are missing so far. This might indicate that long-lasting changes in motor-skill performance (Motor Learning) have not occurred. Motor learning is associated with permanent changes in the capability for skilled movement behavior avoiding unfavorable joint loads and inappropriate muscle activation patterns, leading to compensatory movement strategies. One-sided and high repetitive loads in the knee joint could be one reason for the progression of knee osteoarthritis. Physiotherapeutic strategies should therefore be able to stimulate motor learning processes. In physiotherapy, motor learning can be optimized by using instructions and feedback, targeting an external focus of attention, when learning specific movement patterns. This study investigates the effects of a 12 week exercise therapy program, using an external focus of attention, on functional and biomechanical parameters in patients with knee osteoarthritis. To measure possible changes, functional measurements are taking place at baseline, after 6, 12 and 24 weeks. The biomechanical measurements (3D gait analysis) are taking place at baseline, after 12 and 24 weeks.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
50

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Austria
    • Lower Austria
      • Sankt Pölten, Lower Austria, Austria, 3100
        • Recruiting
        • Sankt Pölten University of Applied Sciences
        • Contact:
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

45 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Kellgren-Lawrence-Score 1-3
  • BMI < 33
  • Free range of motion in the knee joint

Exclusion Criteria:

  • Activated knee osteoarthritis
  • Lower extremity surgery in the past 6 weeks
  • Intake or injection of corticosteroids in the past 3 month
  • Long-term medication non-steroidal anti-inflammatory drugs
  • Neurological diseases
  • Drug or alcohol abuse

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: External focus of attention training program
The intervention group receives a strength and neuromuscular training program. The training instructions have an external focus of attention.
Other: External Focus Of Attention
Instructions and feedback are used to direct the learner's focus to an external source (e.g. the effect the intended movement has) promoting long-term learning by stimulating automatic cognitive control processes.
Active Comparator: Internal focus of attention training program
The control group receives a strength and neuromuscular training program. The training instructions have an internal focus of attention.
Other: Internal Focus Of Attention
In contrast, adopting an internal focus of attention (e.g. focus on specific body areal) can disrupt automatic control processes and interfere automatic movement.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Knee Adduction Moment (change over a period of 6 month with 3 measurement dates)
Time Frame: Baseline, 12 weeks, 24 weeks
3D gait analysis during walking
Baseline, 12 weeks, 24 weeks
Knee Osteoarthritis Outcome Score (change over a period of 6 month with 4 measurement dates)
Time Frame: Baseline, 6 weeks, 12 weeks, 24 weeks
Questionnaire; Minimum value: 0 (highest limitation), Maximum: 100 (no limitation)
Baseline, 6 weeks, 12 weeks, 24 weeks
Star Excursion Balance Test (change over a period of 6 month with 4 measurement dates)
Time Frame: Baseline, 6 weeks, 12 weeks, 24 weeks
An established test to determine movement control and balance ability. The test person stands on one leg and will is asked to stretch the non supporting leg as far as possible in the directions presented.
Baseline, 6 weeks, 12 weeks, 24 weeks
Isometric strength tests (change over a period of 6 month with 4 measurement dates)
Time Frame: Baseline, 6 weeks, 12 weeks, 24 weeks
Measures the isometric force of the knee extensors, knee flexors, hip abductors, hip extensors and hip external rotators with a portable dynamometer
Baseline, 6 weeks, 12 weeks, 24 weeks
Six minute walking test (change over a period of 6 month with 4 measurement dates)
Time Frame: Baseline, 6 weeks, 12 weeks, 24 weeks
The six minute walking test is a reliable measuring tool to examine the distance a person can walk in a given time period.
Baseline, 6 weeks, 12 weeks, 24 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
St. Pölten University of Applied Sciences

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Karl Landsteiner University of Health Sciences
Danube University Krems
Orthopedic Hospital Speising

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 1, 2018

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
February 28, 2022

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 30, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 9, 2020

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 22, 2020

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 24, 2020

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 24, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 22, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • StPoltenUAS

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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