Therapeutic Applications of Capsaicin in Upper Airways

Franco Cavaliere, Carlo Cavaliere, Simonetta Masieri

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

1 Citazioni (Scopus)

Abstract

BACKGROUND: Capsaicin (8-methyl-N-vanillyl-6-nonenamide) is the substance responsible of the irritation caused by the contact of chili peppers with the skin or mucous membranes. This protoalkaloid acts by stimulating the transient receptor potential cation channel subfamily V member 1 (TRPV1), which is mainly expressed by nociceptive fibers of peripheral sensory neurons, but is also present in the central nervous system, and in some non-neuronal cells. Following the initial, intense neuronal excitation, a brief refractory period occurs. However, repeated and massive exposures to capsaicin can impair nociceptive fiber function for weeks or months. During this lapse of time, disorders related to the hyperreactivity of peripheral nociceptors are abolished or greatly reduced. Capsaicin has been utilized to treat several diseases of upper airways. OBJECTIVE: The objective of this review was to report the latest findings on the use of Capsaicin in the treatment of upper airway diseases. RESULTS: Capsaicin effectiveness has been proved in non allergic rhinitis. Some studies suggest that this substance may be also effective in nasal polyposis and in the burning mouth syndrome. No clear evidence has been obtained about its use in allergic rhinitis. CONCLUSION: To date, the use of capsaicin to treat upper airway diseases is still limited in clinical practice. This may originate by the lack of strong, conclusive evidences of its effectiveness, by the variety of therapeutic schemes used in literature, and finally by the unpleasant effects of the exposure to capsaicin, which are only partly relieved by the pretreatment with local anesthetics
Lingua originaleEnglish
pagine (da-a)1166-1176
Numero di pagine11
RivistaCURRENT DRUG TARGETS
Volume19
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • Capsaicin
  • airways
  • allergic rhinitis
  • burning mouth syndrome
  • nasal polyposis
  • non-allergic rhinitis.

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