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Updated: Feb 12, 2026

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Interferencia del tratamiento con daratumumab en el monitoreo biológico del mieloma múltiple
Clinical laboratory
|February 11, 2026
Resumen
El tratamiento con daratumumab para el mieloma múltiple puede causar falsos positivos en las pruebas de laboratorio. Esta interferencia puede malinterpretar la respuesta al tratamiento, lo que pone de relieve la necesidad de una interpretación cuidadosa y colaboración.
Área de la Ciencia:
- Hematología Hematología.
- Química clínica es la química clínica.
Sus antecedentes:
- El mieloma múltiple es un cáncer de células plasmáticas que involucra una producción anormal de inmunoglobulina.
- Daratumumab es una terapia eficaz, pero puede interferir con las pruebas de diagnóstico.
Objetivo del estudio:
- Para investigar la interferencia de daratumumab con las evaluaciones de laboratorio en el mieloma múltiple.
- Para resaltar posibles interpretaciones erróneas de la respuesta al tratamiento debido a esta interferencia.
Principales métodos:
- Estudio de caso de una mujer de 73 años con mieloma múltiple IgG kappa tratada con DRD.
- Análisis de los resultados de la electroforesis de proteínas séricas (SPEP) y de la electroforesis de inmunofijación (IFE).
Principales resultados:
- Daratumumab, un anticuerpo IgG1 kappa, puede imitar las proteínas monoclonales relacionadas con la enfermedad.
- Esta imitación puede conducir a la detección falsa de la enfermedad residual.
- La respuesta completa puede ser clasificada erróneamente como muy buena respuesta parcial.
Conclusiones:
- La conciencia de la interferencia de daratumumab es crucial para una evaluación precisa de la respuesta del mieloma múltiple.
- La estrecha colaboración entre los médicos y los profesionales de laboratorio es esencial para una correcta interpretación.
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