Pain Informed Movement for People With Knee Osteoarthritis
NCT ID: NCT05730829
Last Updated: 2025-04-16
Study Results
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View full resultsBasic Information
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COMPLETED
NA
69 participants
INTERVENTIONAL
2023-04-03
2024-12-03
Brief Summary
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1. Are the two interventions a) pain informed movement program plus pain neuroscience education and b) neuromuscular exercise plus standard osteoarthritis education feasible in terms of recruitment, treatment adherence, timelines, data collection procedures, patient follow-up, and resources required?
2. Is there a difference in patient's satisfaction and acceptability of the two programs?
3. Are there any differences in the potential effects of the two programs on subjective pain measures, self-reported function, quality of life, functional leg strength, nervous system pain modulation, brain derived neurotrophic factor and nerve growth factor levels, and psychological factors?
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Detailed Description
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Exercise is regularly used as a first-line management option for knee OA, and its use is supported by high quality evidence to improve pain and function. Clinical practice guidelines for people with knee OA recommend the use of aerobic and strength training for the reduction of pain and improved physical function. Currently, one of the key components of conservative management of knee OA often implemented by clinicians is a type of exercise called neuromuscular exercise, which aims at improving sensorimotor control and the functionality of the knee joint by addressing movement in all three movement planes. Previous research has showed that the neuromuscular exercise programs designed specifically for knee OA can reduce pain, improve function, alter knee biomechanics, and improve the muscle-activation patterns of the surrounding knee musculature. While exercise is the first line treatment for knee OA and can lead to improvements in physical function and pain, it is important to highlight that it has a moderate effect, which may be short term.
In recent years multiple guidelines for non-surgical management of knee OA have begun to include mind-body therapies, such as yoga or tai-chi, as conditional or core treatment recommendations. Mind-body therapies can lead to pain reductions and improvement of function through various techniques. For instance, breathing exercises including breath awareness and regulation can activate the parasympathetic nervous system and decrease the danger signals of pain, leading to improvement of pain levels. Meditative breathing can lead to reductions in pain levels by modulating the somatosensory cortex. Relaxation techniques focused on relaxing the muscles that become tense as a result of pain and by association can re-enforce or aggravate pain, can influence the pain experience by reversing that association. Mindfulness meditation and mindful movement which can lead to a switch from sensory pain to the interoceptive awareness of the movements of the different body parts, resulting in reduced muscle tension, improvements in postural stability and proprioception, and reductions in pain levels. Mind-body therapies also lead to improvement of psychological factors such as depression, anxiety, pain catastrophizing, increasing pain acceptance, changing patients' relationships to their pain, which in turn lead to reductions in pain levels. The positive effects of mindfulness practices have been reported to last in longer-term follow ups such as 15 months, and 3 years.
Education is another core component recommended by clinical guidelines and known to be effective particularly when combined with exercise. Pain Neuroscience education (PNE) is an alternative technique of teaching patients about pain and how to rethink and re-evaluate the way pain is viewed. The use of PNE in physical therapy interventions has been steadily increasing due to its positive effects on pain and function in many chronic pain patient populations. PNE includes an explanation of the neurophysiology of pain and its process by the nervous system. This includes how pain can be modulated through upregulation or downregulation of signals to increase or decrease the pain experience and that these changes are not necessarily related to tissue damage, particularly when pain becomes chronic. PNE also provides information regarding the influence of various psychosocial aspects. By offering avenues to reconceptualize pain as a threat to the body and movement as imminent danger, patients may become more willing to participate in physical activity and tolerate slight increases in pain and discomfort.
In contrast standard OA education is the traditional and most widely used educational model in people with knee OA, focuses heavily on a pathoanatomical perspective of pain referring mainly to anatomy, biomechanics, and patho-anatomy of OA and the knee joint.
Given the importance of finding effective management strategies for pain modulation in people with knee OA, there is a need to further our understanding of the impact of evidence-based exercise combined with mind-body techniques (e.g., breathing exercises and mindfulness) with PNE on pain mechanisms.
The study is a pilot RCT with a nested qualitative component. The study will be guided by the Conceptual Framework for Defining Feasibility and Pilot studies and the Standard Protocol Items: Recommendations for Intervention Trials.
Study Population
A sample of 66 adults will be sought. The sample size is based on the primary outcome of complete follow-up using the confidence interval method for calculating sample size in pilot trials. 90% follow-up rate is the aim but the trial will be considered successful if 81% is achieved. To achieve a margin of error of 9%, with 10% added for attrition, 66 participants is required.
Recruitment Participants will be recruited through the email lists of the McMaster Physical Activity Centre of Excellence (PACE) community and the McMaster Institute for Research on Aging (MIRA) newsletter. Postings will be placed on both PACE and MIRA social media pages. In addition, the study poster will be placed on other social media channels (i.e., Twitter, Facebook advertisements). In addition, flyers will be placed in local orthopaedic surgeon, Rheumatologist and Physiatrists offices. Physicians will provide potential participants with a one-page study information sheet in lay language. If interested, potential participants can then contact the research team through the contact information provided in the flyer.
Setting The in-person 8-week exercise program will be held twice weekly at McMaster University's Physical Activity Centre of Excellence (PACE) located in the Ivor-Wynne Centre or in one of two local community churches. Participants will complete the pain assessment, and have blood drawn at PACE by PACE staff who are certified phlebotomists.
Assessment As part of participation in the study, participants will be asked to attend an assessment at the beginning of the study, and once again upon completing the 8-week exercise program. Participants will conditioned undergo pain modulation (CPM) and mechanical temporal summation testing, and the 30 Second Sit to Stand Test to determine leg strength and endurance. Lastly, participants will have their blood drawn (fasting) at the beginning and end of the study. Participants will then be asked to complete a series of questionnaires about their pain and mood.
Interventions Twice weekly group exercise sessions will be 75 minutes for the intervention group and 60 minutes in duration for the control group. The intervention arm class is slightly longer due to the detailed delivery of instructions for the techniques during the class. Participants will be given instructions to complete these exercises at home at least one other time during the week for the same duration. Participants will receive education videos that are \~15-20 minutes each week, for up to 4 weeks.
Pain Informed Movement and PNE - During the neuromuscular exercise sessions, the PNE components and concepts such as mindfulness, muscle tension regulation, and breathing techniques will be applied by the instructor.
Neuromuscular exercise and standard OA education - The exercise component (i.e., the specific movements) of this group will be similar to those of the intervention group without the added mind-body techniques.
Randomization and allocation concealment Participants will be randomized with an allocation ratio of 1:1 into one of two treatment groups (Pain informed movement and PNE versus neuromuscular exercise and standard OA education) using a REDCap randomization module. Following consent and completion of baseline assessment, the assessor (different person than the recruiter) will log in to the website, open the participants' identification record and click on the randomize button. Randomization will be blocked and this process will ensure allocation concealment. As allocation concealment occurs following the baseline assessment, the assessors will be blinded at baseline and follow up assessment. Blinding of instructors is generally not possible in studies of physical interventions (i.e., exercise). Participants will be blinded to study hypotheses and the two treatment groups. As both arms of the study are providing exercise based interventions and education, participants will be provided limited details of each intervention arm so as to blind them from knowing which is the intervention and which is the control. This will help minimize any bias that occurs by knowledge of group assignment and perception of treatment effects.
Exit Survey and Focus Group In addition to the primary and secondary outcomes, a satisfaction survey will be conducted at the end of the program to evaluate the a priori feasibility criteria. Participants who indicated upon initially consenting to the study that would like to participate in a focus group, will be contacted. Qualitative data collection will be used to explore participants experience and perceptions of the feasibility and acceptability of the program. A focus group will be conducted using audio or video recording (using Zoom), lasting between 45-60 minutes.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Pain Informed Movement and pain neuroscience education
Participants will receive a twice weekly, 8 week in-person group exercise program, consisting of exercise instruction (75 minutes) and pain neuroscience education (PNE) videos (20 to 30 minutes/week for the first 4 weeks). During the exercise sessions, the educational components and concepts such as mindfulness, muscle tension regulation, and breathing techniques will be applied by the instructor. A third home session (weekly) will be facilitated by exercise handout sheets. The exercise component will be delivered by an experienced yoga teacher that has been extensively trained. The PNE video component will cover the following topics: The purpose of pain, neurophysiological changes of pain, movement guidelines when pain persists, and self-care techniques to impact neurophysiology and support moving with ease that include breath awareness and regulation, muscle tension regulation, awareness of pain related thoughts and emotions, relaxation, and body awareness.
pain informed movement
group classes twice weekly for 8 weeks of neuromuscular exercise in combination with mind-body techniques such as breath regulation, muscle tension regulation, relaxation, mindfulness, awareness of pain related thoughts and emotions.
Pain Neuroscience Education (PNE)
The pain neuroscience education (PNE) will be delivered in videos addressing concepts such as the purpose of pain, neurophysiological changes of pain, movement guidelines when pain persists, and self-care techniques to impact neurophysiology and support moving with ease that include breath awareness and regulation, muscle tension regulation, awareness of pain related thoughts and emotions, relaxation, and body awareness.
Standard neuromuscular exercise and OA education
Participants in this group will receive an 8-week in-person group exercise program held twice weekly, in which they will receive exercise instructions (60 minutes) and standard osteoarthritis (OA) education (15 to 20 minutes/week for the first 4 weeks). A third home session (weekly) will be facilitated by exercise handout sheets. The exercise component (i.e., the specific movements) of this group will be similar to those of the other group without the added techniques of breath awareness and regulation, muscle tension regulation, awareness of pain related thoughts and emotions, relaxation, and body awareness. The standard OA education videos will cover the following topics: common OA symptoms, risk factors associated with knee OA, and the effects of exercise and self-management tips. The exercise and education components will be delivered by a physiotherapist in the research team.
standard neuromuscular exercise
group classes twice weekly for 8 weeks of neuromuscular exercise.
Standard osteoarthritis (OA) education
The standard osteoarthritis (OA) education will address the following topics, OA prevalence, risk factors, symptoms, diagnosis, treatment, role of exercise, surgery, self-management
Interventions
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pain informed movement
group classes twice weekly for 8 weeks of neuromuscular exercise in combination with mind-body techniques such as breath regulation, muscle tension regulation, relaxation, mindfulness, awareness of pain related thoughts and emotions.
standard neuromuscular exercise
group classes twice weekly for 8 weeks of neuromuscular exercise.
Pain Neuroscience Education (PNE)
The pain neuroscience education (PNE) will be delivered in videos addressing concepts such as the purpose of pain, neurophysiological changes of pain, movement guidelines when pain persists, and self-care techniques to impact neurophysiology and support moving with ease that include breath awareness and regulation, muscle tension regulation, awareness of pain related thoughts and emotions, relaxation, and body awareness.
Standard osteoarthritis (OA) education
The standard osteoarthritis (OA) education will address the following topics, OA prevalence, risk factors, symptoms, diagnosis, treatment, role of exercise, surgery, self-management
Eligibility Criteria
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Inclusion Criteria
* ≥45 years of age and having activity-related knee joint pain with or without morning stiffness lasting 30 minutes (NICE criteria)
* Having an average pain intensity of 3/10 on a numeric pain scale on most days of the past month
Exclusion Criteria
* Has inflammatory arthritis or other systemic conditions;
* Have had lower limb trauma or surgery within the past 6 months;
* Have participated in a knee OA exercise program in the prior 3 months;
* Have had any injection in the index knee within 3-months prior to baseline assessment
* Does not have regular access to the internet
* Inability to get up and down from the floor independently
* Use of mobility aids
* Currently participating in any other drug/device/exercise clinical trial related to OA
* Planned absences (e.g., trips away) of \>1 week
* Currently receiving other forms of care for knee OA pain (e.g., from a physiotherapist, chiropractor, athletic therapist, kinesiologist)
* Does not meet screening for safe participation in exercise according to the Get Active questionnaire from the Canadian Society for Exercise Physiology
40 Years
85 Years
ALL
No
Sponsors
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Boston University
OTHER
University of Melbourne
OTHER
University of British Columbia
OTHER
McMaster University
OTHER
Responsible Party
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Principal Investigators
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Lisa Carlesso, PhD
Role: PRINCIPAL_INVESTIGATOR
McMaster University
Locations
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McMaster University
Hamilton, Ontario, Canada
Countries
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References
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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HiREB 15700
Identifier Type: -
Identifier Source: org_study_id
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