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1.
Transfus Med ; 19(5): 260-8, 2009 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-19747289

RESUMEN

Idiopathic thrombocytopenic purpura (ITP) is an autoimmune disorder characterized by a low platelet count and bleeding, whose incidence is approximately 6.2 for each 100,000 adults per year. Intravenous immunoglobulins (IVIG) can be useful in patients with ITP to prevent bleeding or prior to surgery. In this study, the efficacy and safety of Flebogammadif, a new high-purity IVIG, were assessed by an open, multicentre, non-controlled, prospective study in adult patients with chronic ITP. A total of 20 patients (enrolled if experiencing chronic ITP since at least 6 months before recruitment and if platelet count <20 x 10(9)L(-1) before treatment) received 0.4 g kg(-1)-bw of Flebogammadif for 5 consecutive days and were followed-up for 3 months. Efficacy endpoints were three: proportion of patients who reached a platelet count > or = 50 x 10(9)L(-1), time for the platelet count to reach that level and duration of response. Safety parameters [adverse events (AE), laboratory determinations and vital signs] and viral markers were regularly monitored. A total of 14 patients achieved a platelet count of > or = 50 x 10(9)L(-1). The median time to platelet response was or = 50 x 10(9)L(-1) was > or = 7 days. A regression of haemorrhages was reported for 17 patients on day 14. Eight patients presented 21 AEs (mostly mild) potentially related to the study drug. Neither abnormalities in laboratory values nor in viral markers were registered during the follow-up period. Flebogammadif was well tolerated and succeeded in providing a haemostatic platelet count in patients with ITP.


Asunto(s)
Inmunoglobulinas Intravenosas/administración & dosificación , Púrpura Trombocitopénica Idiopática/tratamiento farmacológico , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Enfermedad Crónica , Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos , Hemorragia/inducido químicamente , Hemostasis , Humanos , Inmunoglobulinas Intravenosas/farmacología , Persona de Mediana Edad , Recuento de Plaquetas , Púrpura Trombocitopénica Idiopática/sangre , Púrpura Trombocitopénica Idiopática/complicaciones , Resultado del Tratamiento , Adulto Joven
2.
Ter Arkh ; 79(8): 17-22, 2007.
Artículo en Ruso | MEDLINE | ID: mdl-17926465

RESUMEN

AIM: To reveal prognostically significant factors affecting efficacy of glivek therapy in untreated (duration of the disease < or = 6 months) and pretreated (duration of the disease > 6 months) patients with chronic myeloid leukemia (CML) in a chronic phase. MATERIAL AND METHODS: A total of 338 patients (64 untreated and 274 pretreated) with a chronic-phase CML on glivek therapy entered the trial. RESULTS: Five-year survival on glivek was high (89, 98 and 88% in untreated and pretreated patients, respectively). Incidence of transformation in the acceleration phase and blast crisis was low both in untreated and pretreated patients (1.6 and 11%, respectively) and correlated with the rate of a complete cytogenetic response (CCR). Untreated patients had no factors affecting treatment efficacy negatively, CCR probability was 96%. Blastemia, thrombocytosis and splenomegaly reduced CCR probability significantly in pretreated patients. Slow reduction of the tumor mass, late achievement of a complete hematological response and a cytogenetic response decreased probability of CCR. CONCLUSION: Glivek is a drug of choice for patients with chronic-phase CML. High probability of CCR both in untreated and pretreated patients lowers the risk of the disease transformation into the phase of acceleration/blast crisis and raises overall survival in both groups.


Asunto(s)
Antineoplásicos/uso terapéutico , Leucemia Mieloide de Fase Crónica/tratamiento farmacológico , Piperazinas/uso terapéutico , Pirimidinas/uso terapéutico , Adolescente , Adulto , Anciano , Benzamidas , Crisis Blástica/epidemiología , Crisis Blástica/patología , Progresión de la Enfermedad , Femenino , Estudios de Seguimiento , Hematopoyesis/efectos de los fármacos , Humanos , Mesilato de Imatinib , Incidencia , Leucemia Mieloide de Fase Crónica/mortalidad , Leucemia Mieloide de Fase Crónica/patología , Recuento de Leucocitos , Masculino , Persona de Mediana Edad , Pronóstico , Proteínas Tirosina Quinasas/antagonistas & inhibidores , Factores de Riesgo , Federación de Rusia/epidemiología , Tasa de Supervivencia/tendencias , Factores de Tiempo
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