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1.
Am J Respir Crit Care Med ; 178(8): 854-60, 2008 Oct 15.
Article in English | MEDLINE | ID: mdl-18583576

ABSTRACT

RATIONALE: A pilot study (Bisgaard H; Study Group on Montelukast and Respiratory Syncytial Virus. A randomized trial of montelukast in respiratory syncytial virus postbronchiolitis. Am J Respir Crit Care Med 2003;167:379-383) reported the efficacy of montelukast in post-respiratory syncytial virus (RSV) bronchiolitic respiratory symptoms. OBJECTIVES: To evaluate the efficacy and safety of montelukast, 4 and 8 mg, in treating recurrent respiratory symptoms of post-RSV bronchiolitis in children in a large, multicenter study. METHODS: This was a double-blind study of 3- to 24-month-old children who had been hospitalized for a first or second episode of physician-diagnosed RSV bronchiolitis and who tested positive for RSV. Patients (n = 979) were randomized to placebo or to montelukast at 4 or 8 mg/day for 4 weeks (period I) and 20 weeks (period II). The primary end point was percentage symptom-free days (%SFD; day with no daytime cough, wheeze, and shortness of breath, and no nighttime cough). MEASUREMENTS AND MAIN RESULTS: No significant differences were seen between montelukast and placebo in %SFD over period I: mean +/- SD for placebo and for montelukast at 4 and 8 mg were 37.0 +/- 30.7, 38.6 +/- 30.4, and 38.5 +/- 29.9, respectively. Least-squares mean differences (95% confidence interval) between montelukast (4 mg) and placebo and between montelukast (8 mg) and placebo were 1.9% (-2.9, 6.7) and 1.6% (-3.2, 6.5), respectively. Secondary end points were similar across treatments. Both doses were generally well tolerated. During the first two treatment weeks, average %SFD was approximately 29%. In post hoc analyses of patients (n = 523) with persistent symptoms (%SFD < or = 30% over Weeks 1-2), differences in %SFD were seen between montelukast and placebo over Weeks 3-24: difference were 5.7 (0.0, 11.3) for montelukast (4 mg) minus placebo and 5.9 (0.1, 11.7) for montelukast (8 mg) minus placebo. CONCLUSIONS: In this study, montelukast did not improve respiratory symptoms of post-RSV bronchiolitis in children.


Subject(s)
Acetates/therapeutic use , Bronchiolitis/drug therapy , Leukotriene Antagonists/therapeutic use , Quinolines/therapeutic use , Respiratory Syncytial Virus Infections/drug therapy , Respiratory Syncytial Viruses/isolation & purification , Acetates/administration & dosage , Bronchiolitis/diagnosis , Bronchiolitis/virology , Child, Preschool , Cyclopropanes , Dose-Response Relationship, Drug , Double-Blind Method , Female , Follow-Up Studies , Humans , Infant , Leukotriene Antagonists/administration & dosage , Male , Pilot Projects , Quinolines/administration & dosage , Respiratory Syncytial Virus Infections/diagnosis , Respiratory Syncytial Virus Infections/virology , Retrospective Studies , Severity of Illness Index , Sulfides , Treatment Outcome
2.
Rev. mex. pueric. ped ; 8(44): 46-50, nov.-dic. 2000. tab, graf
Article in Spanish | LILACS | ID: lil-302893

ABSTRACT

Se realizó un estudio abierto, prospectivo, multicéntrico, para evaluar la eficacia y tolerancia clínica del ibuprofeno como antipirético en niños de 6 meses a 6 años de edad. Se incluyeron 203 niños con fiebre de etiología diversa en cinco centros. Se administró dosis inicial de ibuprofeno calculada a 10 mg/kg. Se registró la temperatura ótica (termómetro digital) antes de la administración del medicamento y a los 10, 20, 30 y 45 minutos, después de una hora, y en cada hora hasta completar 8 horas. Los resultados indican que la fiebre disminuye significativamente (p<0.01) desde los 10 minutos después de la administración de ibuprofeno, y que tiene 88.6 por ciento de eficacia a las 8 horas. Se administró una segunda dosis si a las 6 horas había disminución de la temperatura pero sin normalización (= 38.1ºC). El índice de falla terapéutica fue de 5.5 por ciento, y en cuanto a tolerancia clínica, sólo 2 pacientes (1 por ciento) presentaron hipotermia que se resolvió sin medicamentos. En 23 pacientes (11.33 por ciento) se requirió de una segunda dosis por no lograr la normalización a pesar de haber conseguido disminución de la temperatura. En conclusión, con base en los resultados de este estudio, se puede afirmar que el ibuprofeno es altamente efectivo como antipirético en iños con fiebre de diversa etiología, con un excelente perfil de tolerancia clínica.


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Ibuprofen , Fever , Analgesics, Non-Narcotic/administration & dosage
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