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  • Title: Intralesional cidofovir therapy for laryngeal papilloma in an adult cohort.
    Author: Bielamowicz S, Villagomez V, Stager SV, Wilson WR.
    Journal: Laryngoscope; 2002 Apr; 112(4):696-9. PubMed ID: 12150526.
    Abstract:
    OBJECTIVES: To confirm the safety and efficacy of intralesional cidofovir in the management of laryngeal papilloma and to identify variables that correlate with number of injections needed to achieve remission. STUDY DESIGN: An open-trial prospective evaluation of the efficacy of intralesional cidofovir in subjects with laryngeal papilloma. METHODS: Fourteen adult subjects with biopsy-proven laryngeal papilloma were enrolled in a treatment study of intralesional cidofovir. Preprotocol disease duration ranged from 1 to 30 years with a mean duration of 7 years. Subjects received monthly injections of cidofovir with a maximum dose of 37.5 mg per injection in 6 cc saline (6.25 mg/mL). Injections were repeated until no papilloma could be visually identified during an intraoperative evaluation. After disease remission was achieved, subjects received an additional injection. All injections occurred during suspension microlaryngoscopy. RESULTS: All subjects have achieved disease remission using an injection-only treatment protocol. No additional laryngeal scarring or systemic toxicity was identified. On average, 6 injections were required to achieve remission. Preprotocol disease duration and anatomical staging correlated positively with the number of injections required for disease remission. CONCLUSIONS: Intralesional injection of cidofovir is an excellent treatment option with limited local and systemic toxicities. The injection therapy regimen requires perseverance from both patient and surgeon. Remission of disease can be achieved in adults with laryngeal papilloma.
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