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Estudio clínico y biológico de uso de emicizumab en la Unidad de Hemofilia del HGU Dr.Balmis


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Título :
Estudio clínico y biológico de uso de emicizumab en la Unidad de Hemofilia del HGU Dr.Balmis
Autor :
Ferrer Peñalver, Gabriel
Tutor:
Marco, Pascual  
Marco Rico, Ana  
Editor :
Universidad Miguel Hernández de Elche
Departamento:
Departamentos de la UMH::Medicina Clínica
Fecha de publicación:
2023-05-01
URI :
https://hdl.handle.net/11000/29660
Resumen :
Introducción: la hemofilia A es una coagulopatía congénita asociada a un déficit de actividad coagulante del factor VIII (FVIII). Su manejo históricamente ha recaído en el tratamiento sustitutivo con factor VIII recombinante (FVIIIr) y recientemente se han introducido nuevos tratamientos disruptivo...  Ver más
Introduction: Hemophilia A is a congenital coagulopathy associated with deficit of the coagulant activity of factor VIII (FVIII). Its management has historically relied on replacement therapy with recombinant factor VIII (rFVIII). Recently, new disruptive treatments (non-substitutive) have been introduced, highlighting among them emicizumab. This monoclonal antibody supplements the function of FVIII in the coagulation cascade and has many advantages over rFVIII. At the same time, its monitoring lies on mainly in the measurement of its plasmatic levels and on thrombin generation. Methods: Descriptive observational study with patients with moderate or severe hemophilia A currently being treated with emicizumab at Doctor Balmis General University Hospital. Their clinical bleeding data as well as biological data of emicizumab levels, factor VIII activity and thrombin generation data were collected. Results: 13 patients with a median age of 10 years (7 - 16) were included. The annualized bleeding rate was 0.27 (0 – 0.65) with 7 total bleeds in the 96 (74 – 103) weeks of follow-up with 100% of patients having less than 3 bleeds. Mean emicizumab levels were 43 μg/mL (SD ± 12.7) with a mean FVIII function of 2.58% (SD ± 1.9). Regarding thrombin generation, they presented a mean endogenous thrombin potential (ETP) of 1020 nM (SD ± 260) and a maximum thrombin peak (TPH) of 96.4 (IQR: 68.4 - 150). Finally, patients with a previous treatment with FVIIIr presented an annualized bleeding rate (ABR) of 0.79 (0.49 – 1.38) that decreased to 0.27 (0 – 0.65) (p = 0.109) when changed to emicizumab therapy. The differences in thrombin generation with previous rFVIII treatment versus current emicizumab treatment were statistically significant in all parameters evaluated. Conclusions: The findings of our study point out in the same direction as the rest of the published studies. Bleeding complications in emicizumab patients decrease when compared to replacement therapy with rFVIII. Thrombin generation data improve significantly after starting emicizumab in patients with severe HA. Emicizumab is a safe and effective drug for the management of severe and moderate hemophilia A.
Palabras clave/Materias:
emicizumab
tasa de sangrado anualizada
tests de generación de trombina
sangrados
hemofilia A
factor VIII recombinante
Área de conocimiento :
CDU: Ciencias aplicadas: Medicina
Tipo de documento :
info:eu-repo/semantics/bachelorThesis
Derechos de acceso:
info:eu-repo/semantics/openAccess
Aparece en las colecciones:
TFG- Medicina



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