Metotrexato Flashcards

1
Q

Clase Terapéutica

A

Agente antineoplásico

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2
Q

Clase farmacológica

A

Inhibidor de folato reductasa

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3
Q

Mecanismo de acción

A

Inhibe la dihidrofolato reductasa; previene la formación de folato activo y la adición de un solo carbono a los precursores de la base del ADN; específico de la fase S del ciclo celular

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4
Q

Indicaciones clínicas

A

Artritis reumatoide

Psoriasis

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5
Q

Biodisponibilidad

A

23% - 95%

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6
Q

Unión a proteínas plasmáticas

A

50%

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7
Q

Vía de Administración

A

Oral

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8
Q

Vida media de eliminación

A

3 - 10 hrs

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9
Q

Metabolismo

A

Hepático

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10
Q

Reacciones Adversas

A

Mielosupresión (anemia, leucopenia, trombocitopenia), náuseas, vómitos, estomatitis, hepatotoxicidad, nefropatía

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11
Q

Categoría en el embarazo

A

X

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