Shockwave Therapy in Lower Limb Intermittent Calf Claudication

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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

138 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-05-11

Study Completion Date

2030-02-01

Brief Summary

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Peripheral arterial disease is a common condition affecting approximately 64% of 56-77 year olds. This condition restricts bloody supply to calf muscles. Pain occurs after walking a short distance and increases in intensity until the person stops, where the pain then gradually subsides. It can be limiting or occasionally debilitating and has been shown to have considerable deleterious effects of patients quality of life. Shock wave therapy has been shown to promote new blood vessel formation and improved healing amongst other findings. This study aims to identify whether shock wave therapy that is applied to the calf muscles causes such an effect to improve the blood supply to the calf muscles, reduce pain, improve walking ability and quality of life.

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Detailed Description

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This study aims to compare the effects of extracorporeal shockwave therapy (ESWT) to placebo with use of a sham control group on walking distances in subjects with lower limb intermittent calf claudication. Extracorporeal shockwave therapy will be applied using the PiezoWave2 shockwave system. All applications will be in adherence to the manufacturer's instructions and provided by trained staff. The device will be targeted at the gastrocnemius muscles of the affected lower leg for several minutes at each treatment session. Participants in control group will undergo the identical process as if treatment were being given but with the shockwaves not being administered and a sham device alternatively used. Participants will have several assessments prior to and after the shockwave treatment in order to quantify the effect. Assessments will include Maximum Walking Distance (MWD), Claudication Distance (CD) and Quality of life questionnaires.

Conditions

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Peripheral Vascular Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Control

Sham treatment in identical format to treatment arm but without shockwave production

Group Type SHAM_COMPARATOR

Extracorporeal shockwave therapy

Intervention Type DEVICE

Ultrasonic shockwaves targeted at calf muscle bulk using the Piezowave 2 device (Richard Wolf, Knittlingen, Germany)

Shockwave

Active shockwave treatment to calf muscle bulk

Group Type EXPERIMENTAL

Extracorporeal shockwave therapy

Intervention Type DEVICE

Ultrasonic shockwaves targeted at calf muscle bulk using the Piezowave 2 device (Richard Wolf, Knittlingen, Germany)

Interventions

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Extracorporeal shockwave therapy

Ultrasonic shockwaves targeted at calf muscle bulk using the Piezowave 2 device (Richard Wolf, Knittlingen, Germany)

Intervention Type DEVICE

Other Intervention Names

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external shockwave

Eligibility Criteria

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Inclusion Criteria

* Patients with unilateral or bilateral intermittent calf claudication (stable for the last 3 months).
* Able to give written informed consent to participate in the study
* Age \> 18
* Able to adhere to protocol and attend all follow up appointments
* Currently receiving "best medical therapy" - anti-platelet and statin medication

Exclusion Criteria

* Current malignancy
* Allergies or intolerances of either anti-platelet medication or statin therapy
* Pregnancy (pregnancy test performed at screening if necessary)
* Metal implant near to treatment area
* Anti-coagulation medication (i.e. Warfarin)

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No