Does moxonidine reduce Achilles tendon or musculoskeletal pain in women with polycystic ovarian syndrome? A secondary analysis of a randomised controlled trial

Jacob Jewson, Elisabeth Lambert, Carolina Sari, Eveline Jona, Soulmaz Shorakae, Gavin Lambert, Jamie Gaida

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    Abstract

    Background: Sympathetic activity and insulin resistance have recently been linked with chronic tendon and musculoskeletal pain. Polycystic ovarian syndrome is linked with insulin resistance and increased sympathetic drive and was therefore an appropriate condition to study the effects of modulating sympathetic activity on Achilles tendon and musculoskeletal symptoms. Methods: A secondary analysis of a double-blinded, randomised controlled trial on women with polycystic ovarian syndrome was conducted. Participants received 12 weeks of moxonidine (n = 14) or placebo (n = 18). Musculoskeletal symptom and Victorian Institute of Sport Assessment - Achilles (VISA-A) questionnaires were distributed, and ultrasound tissue characterisation quantified tendon structure at 0 and 12 weeks. 2-way ANOVA was used for multiple comparisons. Results: There was no difference in mean change in musculoskeletal symptoms (- 0.6 +/- 1.7 vs - 0.4 +/- 1.8,p = 0.69) or VISA-A (moxonidine - 0.2 +/- 8.8 vs placebo + 4.2 +/- 14.6,p = 0.24) attributable to the intervention. There was no difference in any measures of Achilles structure. Moxonidine did not reduce sympathetic drive when compared to placebo. Conclusions: This was the first study to investigate the effects of blocking sympathetic drive on musculoskeletal and Achilles tendon symptoms in a metabolically diverse population. While the study was limited by small sample size and lack of sympathetic modulation, moxonidine did not change tendon pain/structure or musculoskeletal symptoms.
    Original languageEnglish
    Article number131
    Pages (from-to)1-8
    Number of pages8
    JournalBMC Endocrine Disorders
    Volume20
    Issue number1
    DOIs
    Publication statusPublished - 26 Aug 2020

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