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Rev. chil. infectol ; 26(supl.1): 23-31, abr. 2009. ilus, tab
Article in Spanish | LILACS | ID: lil-518489

ABSTRACT

BACKGROUND: Treating complicated skin and skin structure infections (cSSSIs) can be challenging. Tigecycline was compared to vancomycin/aztreonam in patients with cSSSIs in a multinational trial; this article reports on the Latin American (LA) population. METHODS: Patients were randomly assigned to receive tigecycline or vancomycin/ aztreonam. Primary endpoint was clinical cure rate at test-of-cure (TOC). Several secondary endpoints and safety were also assessed. RESULTS: A subtotal of 167 LA patients from the multinational trial (N = 573) received ≥ 1 dose of study drug. At TOC, cure rates were similar between tigecycline and vancomycin/aztreonam in the clinically evaluable population.) Noninferiority of tigecycline could not be demonstrated (insufficient sample sizes). Tigecycline-treated patients had higher incidences of nausea, vomiting, anorexia; vancomycin/aztreonam-treated patients had higher incidences of pruritus and rash. CONCLUSIONS: Efficacy results in the LA population were consistent with the multinational study suggesting that tigecycline is noninferior to vancomycin/aztreonam in treating patients with cSSSI.


INTRODUCCIÓN: El tratamiento de infecciones complicadas de piel y tejidos blandos (ICPTB) puede representar un desafío. Se comparó la eficacia de tigeciclina versus vancomicina/aztreonam en pacientes con ICPTB en un estudio multicéntrico; este artículo se refiere a la experiencia en Latinoamérica (LA). MÉTODO: Se asignaron, en forma randomizada, los pacientes a dos grupos de tratamiento: tigeciclina o vancomicina/aztreonam. La meta a evaluar (outcome) primaria fue la curación clínica, denominada test de curación (TC). Se establecieron, además, metas secundarias y la evaluación de seguridad del fármaco. RESULTADOS: Un subtotal de 167 pacientes procedentes de LA, de un estudio multinacional que incluyó 573 pacientes, recibieron ≥ 1 dosis del fármaco en estudio. Al TC, los porcentajes de curación fueron similares entre tigeciclina y vanco-micina/aztreonam en los pacientes clínicamente evaluables). La no inferioridad de tigeciclina no pudo ser demostrada (tamaño de muestra insuficiente). Los pacientes tratados con tigeciclina tuvieron mayor incidencia de náuseas, vómitos y anorexia; los pacientes que recibieron vancomicina/aztreonam tuvieron mayor incidencia de prurito y rash. CONCLUSIONES: Los resultados de eficacia en LA fueron consistentes con el estudio multinacional sugiriendo que tigeciclina no es inferior a vancomicina/aztreonam en el tratamiento de pacientes con ICPTB.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aztreonam/therapeutic use , Vancomycin/therapeutic use , Skin Diseases, Bacterial/drug therapy , Soft Tissue Infections/drug therapy , Tigecycline/therapeutic use , Safety , Skin/microbiology , Skin Diseases, Infectious/complications , Double-Blind Method , Efficacy , Multicenter Study , Treatment Outcome , Soft Tissue Infections/complications , Latin America , Anti-Bacterial Agents/therapeutic use
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