A Controlled Trial on Recreational Runners With Patellofemoral Pain

NCT ID: NCT02352909

Last Updated: 2016-09-08

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

69 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-07-31

Study Completion Date

2016-05-31

Brief Summary

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From a rehabilitation point of view, while several approaches exist to retrain runners with PFPS, it is not clear which one is most effective, or why. The goals of this randomised-controlled trial are: 1) to compare the effectiveness of three rehabilitation programs on pain and functional limitations of runners with PFPS and 2) to explain why the programs are effective or not based on laboratory analyses. After baseline evaluation, runners will be randomly assigned to one of three treatment groups, each with a specific 8-week rehabilitation program aimed at addressing the efficiency of a specific type of retraining. These groups are: 1) Control; 2) muscle recruitment; 3) reducing knee loading during running.

The investigators hypothesis is that the intervention targeting a reduction in knee loading will be significantly more effective in reducing symptoms and improving function of runners with patellofemoral pain syndrome.

Detailed Description

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Hypothesis will be tested using symptoms and functional status questionnaires. In addition, mechanistic analyses will be conducted using a running assessment using an instrumented treadmill and kinematics analyses.

Conditions

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Patellofemoral Pain (PFPS)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Control

Education will be given on how to modify running training to encourage improvement of symptoms.

Group Type ACTIVE_COMPARATOR

Education

Intervention Type OTHER

Education on running training modifications depending on symptoms (decrease running speed, spread running volume throughout the week, run/walk intervals, avoid downhill and stairs running). Education about symptoms will also be provided.

Muscle recruitment

Subjects will receive an additional exercise program targeting non task-specific strengthening and motor control exercises of the lower limb.

Group Type EXPERIMENTAL

Education

Intervention Type OTHER

Education on running training modifications depending on symptoms (decrease running speed, spread running volume throughout the week, run/walk intervals, avoid downhill and stairs running). Education about symptoms will also be provided.

Exercise program

Intervention Type OTHER

A home-based program including strengthening and motor control exercises will be prescribed. The program will include 4 different phases of 2 weeks.

Reduction of knee loading

Subjects will receive additional personalized advice on how to modify running gait in order to reduce mechanical loads at the knee (gait retraining).

Group Type EXPERIMENTAL

Education

Intervention Type OTHER

Education on running training modifications depending on symptoms (decrease running speed, spread running volume throughout the week, run/walk intervals, avoid downhill and stairs running). Education about symptoms will also be provided.

Gait retraining

Intervention Type OTHER

Running gait will be modified to reduce knee loading while running (step frequency, impact, foot strike pattern).

Interventions

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Education

Education on running training modifications depending on symptoms (decrease running speed, spread running volume throughout the week, run/walk intervals, avoid downhill and stairs running). Education about symptoms will also be provided.

Intervention Type OTHER

Exercise program

A home-based program including strengthening and motor control exercises will be prescribed. The program will include 4 different phases of 2 weeks.

Intervention Type OTHER

Gait retraining

Running gait will be modified to reduce knee loading while running (step frequency, impact, foot strike pattern).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Running mileage at least 15km
* Symptoms since at least 3 months
* Pain level at least 3/10 during running and 3 activities among: kneeling, squatting, stairs and resisted knee extension
* Score lower than 85/100 on the KOS-ADLS

Exclusion Criteria

* History of knee surgery or patellar dislocation
* Pain believed to originate either from meniscus or from patellar tendon
* Pain following an acute trauma
* Concurrent lower limb injuries
* History of neurological, inflammatory, rheumatoid disease
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Laval University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Centre for Interdisciplinary Research in Rehabilitation and Social Integration

Québec, Quebec, Canada

Site Status

Countries

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Canada

References

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Esculier JF, Bouyer LJ, Dubois B, Fremont P, Moore L, McFadyen B, Roy JS. Is combining gait retraining or an exercise programme with education better than education alone in treating runners with patellofemoral pain?A randomised clinical trial. Br J Sports Med. 2018 May;52(10):659-666. doi: 10.1136/bjsports-2016-096988. Epub 2017 May 5.

Reference Type DERIVED
PMID: 28476901 (View on PubMed)

Esculier JF, Bouyer LJ, Dubois B, Fremont P, Moore L, Roy JS. Effects of rehabilitation approaches for runners with patellofemoral pain: protocol of a randomised clinical trial addressing specific underlying mechanisms. BMC Musculoskelet Disord. 2016 Jan 6;17:5. doi: 10.1186/s12891-015-0859-9.

Reference Type DERIVED
PMID: 26738470 (View on PubMed)

Other Identifiers

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PFC-2014

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

2014-15-1 (OPPQ-REPAR)

Identifier Type: -

Identifier Source: org_study_id

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