Novel 3D Printed Knee Brace for Medial Knee Osteoarthritis

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-31

Study Completion Date

2017-06-30

Brief Summary

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Around 250 millions of people in the world (3.8%) have knee osteoarthritis (KOA). Due to aging and increasing obesity, the prevalence of KOA is expected to increase in the developed country in the next 20 years. KOA decreases quality of life of patients through chronic pain, joint stiffness, and reduced social activity, which influence emotional wellness as well. KOA has also impact on the biomechanics of the lower limbs, leading or amplifying the tibiofemoral misalignment and an increase of the medial knee joint loading. Increase of the medial knee joint loading may lead patients into a vicious circle by increasing knee pain, decreasing activities, increasing weight and disease progression. Knee brace is a non-pharmacological treatment recommended for KOA. It aims to reduce misalignment of the limb. However, the main issue is the poor compliance because of lack of effectiveness, more drawbacks than benefits, discomfort, bad fitting, migration of the brace, bulkiness, aesthetic, skin irritation, blisters and too much pressure on the knee. By its freedom in design, 3D printing may resolve most of these complaints.

This study aims to compare clinical and biomechanical effectiveness, comfort and patients complaints of a knee brace made by 3D printing to a conventional knee brace.

The institute for Applied Health Research of Glasgow Caledonian University (GCU) will lead the experimental trial. They will recruit men or women (40 to 70 years old) suffering from medial KOA in Glasgow area. Participants will be in study for 10 weeks. During this period, they will wear 2 different knee braces for two weeks each with a 1-week period without knee brace between. Participants will have five visits to GCU: once for leg measurement to make knee braces and four times to fill questionnaires and perform gait analysis. Besides, they will wear activity monitor for 3 non-consecutive weeks.

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Detailed Description

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Conditions

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Osteoarthritis, Knee

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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KNEEMO knee brace & Popular knee brace

Patients having medial knee osteoarthritis

Group Type EXPERIMENTAL

KNEEMO knee brace

Intervention Type DEVICE

Bespoke knee brace made by additive manufacturing

Popular knee brace

Intervention Type DEVICE

Customized knee brace used in the management of medial knee ostearthritis

Popular knee brace &KNEEMO knee brace

Patients having medial knee osteoarthritis

Group Type EXPERIMENTAL

KNEEMO knee brace

Intervention Type DEVICE

Bespoke knee brace made by additive manufacturing

Popular knee brace

Intervention Type DEVICE

Customized knee brace used in the management of medial knee ostearthritis

Interventions

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KNEEMO knee brace

Bespoke knee brace made by additive manufacturing

Intervention Type DEVICE

Popular knee brace

Customized knee brace used in the management of medial knee ostearthritis

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Male or female aged between 40 and 70 years old having radiological and symptomatic medial KOA (Kellgren-Lawrence grade II, III or IV) according to the American College of Rheumatology's clinical and radiological criteria \[83\]
* Average knee pain \> 4/10 (VAS score assessed three times in two weeks before being included)
* Not currently wearing knee brace
* Varus knee alignment equal or superior to 2°
* No or light pain from the hips, ankles, feet or lumbar spine
* Moderately physically active
* Able to understand written and spoken English.

Exclusion Criteria

* Mild KOA (Kellgren-Lawrence grade I)
* Lateral or patellar KOA
* Chronic diseases or conditions (e.g., diabetes, osteoporosis, heart disease, hypertension, neurological disorders)
* Stroke history
* Inflammatory arthritis (gout, RA, psoriatic arthritis, …)
* Musculoskeletal disorders that could influence their ability to stand and walk
* Morbid obesity (BMI \> 35)
* Intra-articular corticosteroid/hyaluronan injection in the affected knee in the past 3 months
* Unstable medication schedule and medication that causes dizziness
* Severe recent modification of diet
* Prosthetic implants in the hip, knee or ankle joint
* Poor skin condition
* Unable to walk, walk up and down stairs or any condition contraindicating the demands of the gait analysis.

Minimum Eligible Age

40 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No