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Equivalencia clínica entre el rociador nasal de propionato de fluticasona genérico y comercial en pacientes con rinitis alérgica / Clinical equival ence between generic and branded fluticasone propionate nasal spray in patients with allergic rhinitis
Brandi, Vikki; Stahl, Edmundo G.
  • Brandi, Vikki; Kendle International Inc. Miami. US
  • Stahl, Edmundo G; LatAmScience, LLC. US
Rev. peru. med. exp. salud publica ; 26(4): 432-440, oct.-dic. 2009. tab, graf
Article in Spanish | LILACS, LIPECS | ID: lil-564534
RESUMEN
Objetivo. Establecer la equivalencia clínica de un rociador nasal de propionato de fluticasona (RNF) genérico comparadocon dos formulas farmacéuticas comerciales del mismo producto (Flonase® y Flixonase®) durante la estación de polinización del cedro de montaña (Juniperus ashei) en Texas, EEUU. Materiales y métodos. Estudio multicéntrico, aleatorizado, doble ciego, controlado con placebo, en grupos paralelos diseñado para investigar la seguridad y eficacia de RNF (200 mcg una vez al día), Flonase® (200 mcg una vez al día) y Flixonase® (200 mcg una vez al día), comparados con placebo, administrados por 13 a 15 días. Los pacientes registraron diariamente, en la mañana y en la tarde, sus síntomas nasales totales (SNT). La variable de desenlace primaria fue la suma de SNT en la mañana y tarde + 1. Las variables de desenlace secundarias fueron los SNT AM + 1 y SNT PM + 1, y la evaluación de seguridad. Resultados. No se observó diferencia estadísticamente significativa en ningún día de estudio, ni en todo el periodo de tratamiento, ni al punto de final entre SNT promedio tanto de Flonase® como Flixonase® y RNF. La equivalencia clínica entre RNF yFlonase® (cociente= 0,98; intervalo de confianza [IC] al 90 por ciento, 0,91 a 1,06), y entre RNF y Flixonase® (cociente= 1,02; IC 90 por ciento, 0,94 a 1,10) fue demostrada tanto para la variable de desenlace primaria como para las otras variables de eficacia. Conclusiones. Estos resultados respaldan la equivalencia clínica entre RNF 200 mcg una vez al día tanto con Flonase®como Flixonase® en el tratamiento de rinitis alérgica estacional.
ABSTRACT
Objective. The primary objective of this study was to establish the clinic equivalence of a new Fluticasone Propionate Aqueous Nasal Spray (FANS) compared to two commercially available active treatments of fluticasone propionate nasal spray (Flonase® and Flixonase®) during the mountain cedar (Juniperus ashei) pollen season in Texas. Material and methods. This was a multicenter, randomized, double-blind, double-dummy, active-controlled and placebo-controlled, parallel group study designed to investigate the safety and efficacy of FANS (200 mcg QD), Flonase® and Flixonase® (200 mcg QD) compared to placebo administered for 13 to 15 days. Patients recorded the total nasal symptoms dcores (TNSS) in a diary in the morning and evening every day. The primary endpoint was the patient-rated am and pm TNSS +1. Other key efficacy endpoints were patient-rated AM TNSS+1, patient-rated PM TNSS+1, and safety. Results. Mean TNSS values for Flonase® and Flixonase® were not statistically significantly different from FANS during any study day, over the entire treatment period, or at endpoint. Bioequivalence between FANS and Flonase® (ratio= 0.98, 90 per cent CI 0.91 to 1.06) as well as FANS and Flixonase® (ratio=1.02, 90 per cent CI 0.94 to 1.10) was demonstrated for the primary endpoint [Patient-Rated am and pm TNSS +1] as well as for the other key efficacy endpoints. Conclusions. The findings from this study support that FANS 200 mcg QD is therapeutically bioequivalent to both Flonase® and Flixonase® in the control ofthe symptoms of seasonal allergic rhinitis.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Therapeutic Equivalency / Rhinitis, Allergic, Seasonal / Drugs, Generic Type of study: Controlled clinical trial Limits: Humans Language: Spanish Journal: Rev. peru. med. exp. salud publica Year: 2009 Type: Article Institution/Affiliation country: Kendle International Inc/US / LatAmScience, LLC/US

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Full text: Available Index: LILACS (Americas) Main subject: Therapeutic Equivalency / Rhinitis, Allergic, Seasonal / Drugs, Generic Type of study: Controlled clinical trial Limits: Humans Language: Spanish Journal: Rev. peru. med. exp. salud publica Year: 2009 Type: Article Institution/Affiliation country: Kendle International Inc/US / LatAmScience, LLC/US