Analgesic Efficacy of Capsaicin 8% Patch (QUTENZA®) in Coccygodygnia

Coccyx Disorder

Chronic Coccygodynia, Neuropathic pain, Capsaicine 8%

A retrospective study over a period of 6 years to explore analgesic efficacy of 8% Capsaicin patch (QUTENZA®) in coccygodynic patients, as well as neuropathic predictive factors of therapeutic response.

Coccygodynia corresponds to a localized pain in the coccyx region, aggravated or triggered by sitting and/or by getting up from a seat. Even if there is no epidemiology of this pain in France, coccygodynia represents a frequent recourse to specialized consultations (Rheumatology or Algology). Currently in France, there is no recommendation on the management of chronic disabling coccygodynia. Treatments are proposed in accordance with known/presumed underlying pathophysiology. Anti-inflammatory drugs and manual therapy (pressure relief cushions) are thus always offered as first-line treatments. But despite their common use/prescription, their efficacy is variable, with low level of evidence. More over, upstream of invasive coccygectomy, therapeutic arsenal is largely deficient, inviting to explore new approaches. Considering frequent neuropathic expression in coccygodynic pain pattern (tingling, itching, pain cold sensation…), capsaïcine 8% patch (QUTENZA®) are often performed. And in the same way, no/few researches tried to measure real-life analgesic pain efficacy of QUTENZA® strategy. Observational retrospective study (non-interventional anonymized data) CAPSACOXp aims to assess analgesic efficacy of Capsaicin 8% patch (QUTENZA®) and explore possible neuropathic determinants of therapeutic response in coccygodynia.

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