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No beneficial effect of Polidocanol treatment in Achilles tendinopathy: a randomised controlled trial

  • Ankle
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

Polidocanol injections have been used to treat chronic Achilles tendinopathy in clinical settings, but the few studies published show inconsistent results. The aim of this study was to evaluate the mid-term effect of Polidocanol in patients with chronic Achilles tendinopathy. It was hypothesised that patients treated with Polidocanol would have significant improvements in the outcome measures investigated compared to patients treated with a placebo treatment at mid-term follow-up.

Methods

This randomised controlled trial included forty-eight patients aged 32–77 years with a history of Achilles tendinopathy for at least 3 months and with neovascularisation demonstrated by ultrasonography was included. A minimum of 3 months of eccentric exercise treatment was required before participating. The patients were allocated to a maximum of two injection of either Polidocanol or Lidocaine (placebo). The primary outcome measure was pain during walking reported on a visual analogue scale. Secondary outcome measures were Foot and Ankle Outcome Score (FAOS), patient satisfaction with treatment and, shortly after inclusion, the Victorian Institute of Sports Assessment-Achilles questionnaire (VISA-A) was also included. Follow-up examinations were performed after 3 and 6 months.

Results

Pain during walking decreased during the 6-month follow-up period, but no significant differences were seen between the two groups. The same tendency was seen for FAOS and VISA-A in which both groups showed an improvement at 3- and 6-month follow-up, but no mid-term differences between the groups were seen. An equal number of patients in the two groups were satisfied with the treatment at follow-up.

Conclusions

The results indicate that Polidocanol is a safe treatment, but the mid-term effects are the same as a placebo treatment. This further questions the use of Polidocanol in the treatment of chronic Achilles tendinopathy.

Level of evidence

I.

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Authors and Affiliations

  1. Department of Physio and Occupational Therapy, Aalborg University Hospital, Hobrovej 18-22, 9000, Aalborg, Denmark

    B. H. Ebbesen & C. M. Mølgaard

  2. Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark

    C. M. Mølgaard & O. Simonsen

  3. Research Unit for General Practice in Aalborg Clinical Institute, Aalborg University Hospital, Aalborg, Denmark

    J. L. Olesen

  4. Institute for Sports Medicine Copenhagen, Bispebjerg Hospital, Copenhagen, Denmark

    J. L. Olesen

  5. Department of Radiology, Aalborg University Hospital, Aalborg, Denmark

    H. E. Gregersen

Authors
  1. B. H. Ebbesen
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  2. C. M. Mølgaard
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  3. J. L. Olesen
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  4. H. E. Gregersen
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  5. O. Simonsen
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Corresponding author

Correspondence to C. M. Mølgaard.

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Conflict of interest

The authors declare that they have no conflict of interest related to this study.

Funding

This study was supported by grants from Hans og Nora Buchards Fond, Speciallæge Heinrich Kopps Legat and Region of Northern Denmark.

Ethical approval

The study was performed in accordance with the Declaration of Helsinki and approved by the local ethical committee (VN-20060028) and the Danish Health and Medicines Authority (2006-002586-39), and was registered at ClinicalTrials.gov (NCT00377910).

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Ebbesen, B.H., Mølgaard, C.M., Olesen, J.L. et al. No beneficial effect of Polidocanol treatment in Achilles tendinopathy: a randomised controlled trial. Knee Surg Sports Traumatol Arthrosc 26, 2038–2044 (2018). https://doi.org/10.1007/s00167-017-4675-7

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  • DOI: https://doi.org/10.1007/s00167-017-4675-7

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