Autologous Conditioned Plasma (ACP) for Patients With Plantar Fasciitis

April 24, 2014 updated by: Dianne Bryant, University of Western Ontario, Canada

A Randomized Double-Blind Clinical Trial to Investigate the Use of Autologous Conditioned Plasma (ACP) for Patients With Plantar Fasciitis

Plantar fasciitis presents clinically as pain in the inner heal, which is the result of degeneration of the plantar fascia, an arch supporting ligament of the foot. It manifests predominantly in those subjected to sustained weight bearing or repetitive pounding activities. Plantar fasciitis is the most common cause of inferior foot pain. Although most cases resolving within 6 months, traditional treatment regiments such as orthotics and physiotherapy are occasionally unsuccessful in treating this limitation leading to chronic symptoms (Neufeld & Cerrato, 2008; Rompe, 2009; Roxas, 2005).

Platelets are central players in clotting, inflammation and the wound healing response. Research has shown the potential of platelet rich plasma to accelerate wound healing in a variety of conditions including maxillo-fascial and plastic surgery, chronic wound healing and orthopaedics. Autologous Conditioned Plasma (ACP) is a novel treatment that may accelerate the healing of injured tissue. Treatment with ACP involves taking a blood sample from the patient, isolating the platelets and injecting them back into that patient at the injury site

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

140

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • Canada
    • Ontario
      • London, Ontario, Canada, N6A 3K7
        • Recruiting
        • Fowler Kennedy Sport Medicine Clinic
        • Principal Investigator:
          • Kevin Willits, Md, FRCSC

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Painful inner heel pain for longer than three months
  • at least six weeks since last corticosteroid injection
  • four weeks since the last anaesthetic injection, iontophoresis, ultrasound and electromyostimulation
  • one week since the last NSAIDs taken
  • two days since the last analgesic, heat, ice, message, stretching, or modification of night splints and orthosis.
  • scores greater or equal to 5 on the VAS PFPD scale
  • scores greater or equal 30 on the AOFAS scale
  • scores of greater or equal to 5 on the VAS PFPD scale and 30 on the AOFAS scale

Exclusion Criteria:

  • tendon rupture
  • neurological or vascular insufficiencies in the painful heel
  • bilateral heel pain
  • Paget's disease or calcaneal fat pad atrophy
  • osteomyelitis, fracture of the calcaneus, ankle inflammation
  • recent infection in the treatment area, history of rheumatic diseases
  • collagenosis or metabolic disorders
  • immunosuppressive therapy or coagulation disturbance and/or therapy, long-term treatment with corticosteroids
  • previous heel surgery
  • malignant disease, diabetes mellitus, severe cardiac or respiratory disease, significant abnormalities in hepatic function
  • participation in another clinical study at the same time.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: ACP treatment
Procedure: ACP
Within two weeks of the initial visit, the RN, will retrieve a 10-12 mL blood sample from all patients. After the sample is retrieved, the patient will be asked to lie prone on the plinth to assist with blinding. The blood sample will be retained in the Arthrex ABS-10010S Double Syringe with Syringe Cap and then separated using a soft spin centrifuge for 5 min at 1500 rpm/rcf. Three to four mL of platelet rich plasma will be pulled into a smaller syringe that is wrapped in opaque tape to conceal the contents of the syringe. The ACP is injected into the torn region of the tendon.
Active Comparator: Corticosteroid treatment
Drug: Corticosteroid (celestone) injection
Preparation of the blood sample is identical for patients in this group except that the blood sample will ultimately be discarded instead of injected. The syringe is blinded with opaque tape making it identical to the ACP group syringe and injected into the torn area of the tendon.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
American Orthopaedic Foot and Ankle Midfoot Scale (AOFAS)
Time Frame: 6 weeks, 3, 6 and 12 months
Inlcudes subjective and objective assessments and has demonstrated test retest reliability, validity, sensitivity to change and responsiveness for conditions of the foot and ankle. A minimally important change is considered to be at least a 5 point change with an effect size of 0.59.
6 weeks, 3, 6 and 12 months

Secondary Outcome Measures

Outcome Measure
Time Frame
Plantar Fasciitis Pain/Disability Scale (PFPD
Time Frame: 6 weeks, 3, 6 and 12 months
6 weeks, 3, 6 and 12 months
SF-12
Time Frame: 6 weeks, 3,6,12 months
6 weeks, 3,6,12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Western Ontario, Canada

Collaborators

Arthrex, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2010

Primary Completion (Anticipated)

September 1, 2015

Study Completion (Anticipated)

September 1, 2015

Study Registration Dates

First Submitted

June 4, 2012

First Submitted That Met QC Criteria

June 4, 2012

First Posted (Estimate)

June 7, 2012

Study Record Updates

Last Update Posted (Estimate)

April 25, 2014

Last Update Submitted That Met QC Criteria

April 24, 2014

Last Verified

April 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • FKSCM 2010 -1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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