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A synthetic aminoethylamide with local anesthetic activity applied topically to either the skin or mucous membranes. Lidocaine stabilizes the neuronal cell membrane by binding to and inhibiting voltage-gated sodium channels, thereby inhibiting the initiation and conduction of nerve impulses and producing a reversible loss of sensation. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C29989\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C29989\' NCI Thesaurus)
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