Movement Pattern Training in People With Intra-articular, Prearthritic Hip Disorders

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-02-04

Study Completion Date

2019-12-31

Brief Summary

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Intra-articular, prearthritic hip disorders (PAHD) result in substantial dysfunction in young adults and are proposed precursors to hip osteoarthritis (OA). Effective treatment of PAHD is needed to improve function in the young adult and prevent or delay the onset of hip OA, however evidence related to treatment of PAHD is limited. This research will provide the foundation for a future clinical trial to assess the efficacy of movement pattern training, an innovative rehabilitation approach for the treatment of PAHD.

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Detailed Description

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Significance: Intra-articular, prearthritic hip disorders (PAHD) result in substantial dysfunction in young adults and are proposed precursors to hip osteoarthritis. The number of surgical procedures to treat PAHD has grown exponentially in the past decade, despite the lack of high level evidence to guide treatment decisions. The potential exists for surgery to become standard treatment before rigorous investigation of treatment options has been completed. This trend may be partially due to a lack of evidence related to rehabilitation. Although some authors believe rehabilitation can improve function in people with PAHD, others state that rehabilitation is contra-indicated and recommend surgery as the best option. There are no published clinical trials to support or refute either opinion, therefore little is known about the comparative effectiveness of rehabilitation.

Innovation: The investigators' long term goal is to develop effective treatment strategies for people with PAHD that will improve function and prevent or delay the onset of OA. Movement pattern training is an innovative rehabilitation approach designed to reduce stresses on the hip joint by optimizing the biomechanics of functional tasks through task-specific instruction. Preliminary work suggests that abnormal movement patterns may be associated with PAHD and that movement pattern training may be an effective treatment approach, however comparison to standard rehabilitation has not been completed.

Purpose: This study was designed to assess the feasibility of conducting a multicenter randomized clinical trial (RCT) to determine the efficacy of movement pattern training compared to standard rehabilitation for people with PAHD. Participants enrolled at Washington University and University of Pittsburgh will be randomized into one of two treatment groups, movement pattern training or standard rehabilitation. In addition to assessing feasibility of the trial, preliminary estimates of effect sizes for treatment outcomes will be obtain in preparation for the future definitive trial. Post-treatment improvements in patient-reported function as measured by the Hip disability and Osteoarthritis Outcome Score and hip adduction motion during functional tasks, a proposed mechanistic factor associated with PAHD will be assessed. Upon completion of this study, the investigators will be positioned to implement a multicenter RCT to definitively assess the efficacy of movement pattern training.

Impact: Ultimately, if movement pattern training is determined to be effective, it will provide a relatively inexpensive alternative to surgical intervention. Further, the theoretical concepts of movement pattern training could be used to possibly serve a role in injury prevention, as well as optimize post-surgical outcomes in those who do require surgery.

Conditions

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Chronic Hip Joint Pain Prearthritic Hip Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Study Groups

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Movement Pattern Training (MPT)

Treatment: 10 sessions over 12 weeks and a home program provided by a physical therapist. Treatment includes assessment of patient goals and patient education. Movement Pattern Training (MPT) will focus on task-specific training to improve lower extremity movement patterns during basic tasks, such as sit to stand and stairs, and reported patient-specific tasks. Patient education will include instruction in abnormal movement patterns and methods to optimize movement patterns during each task. Exercises will include repeated practice of tasks using optimized movement patterns. Verbal cues and visual aids will be used to assist the participant. Difficulty of the task-specific activities will be progressed by varying repetitions performed, increasing load or changing the support surface.

Group Type EXPERIMENTAL

Rehabilitation

Intervention Type OTHER

Comparison of two rehabilitation approaches

Standard Rehabilitation

Treatment: 10 sessions over 12 weeks and a home program provided by a physical therapist. Treatment includes assessment of patient goals and patient education. For the Standard Rehabilitation, focus will be on progressive lower extremity and trunk strengthening and lower extremity flexibility. Patient education will include instruction to modify intensity, frequency or duration of patient-specific tasks. Using current clinical practice guidelines and previous reports, strengthening and flexibility exercises will be prescribed and progressed by varying the repetitions performed or increasing the load.

Group Type ACTIVE_COMPARATOR

Rehabilitation

Intervention Type OTHER

Comparison of two rehabilitation approaches

Interventions

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Rehabilitation

Comparison of two rehabilitation approaches

Intervention Type OTHER

Other Intervention Names

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Physical Therapy Therapeutic exercise

Eligibility Criteria

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Inclusion Criteria

* be 15-40 years old
* report deep hip joint or anterior groin pain, confirmed upon physical exam
* report pain \> 3/10 and present \> 3 months
* demonstrate functional limitation with modified Harris Hip Score \<90.

Exclusion Criteria

* previous hip surgery, fracture, pelvic/hip infection
* pain due to high impact trauma
* inflammatory disease, e.g. rheumatoid arthritis, gout
* neurological involvement affecting balance
* age \<15 or \>40
* Slipped Capital Femoral Epiphysis (SCFE) or Legg-Calve-Perthes Disease (LCP)
* pain, numbness or tingling that radiates into the thigh
* known pregnancy

Minimum Eligible Age

15 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No