VIH Flashcards

1
Q

Tratamiento de VIH

Clasificación

A
Inhibidores nucleosidos (zidovudina, tenofovir, abacavir)
no nucleosidos ( efavirenz)
inhibidores de la proteasa (ritonavir)
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2
Q

Tratamiento VIH

Inhibidores nucleosidos

A

No inhibe Pol alfa y beta, si la gamma

Evitan infección, no lo erradican

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3
Q

Zidovudina

Mecanismo

A

Lentes de forma pasiva y es fosforilado

Inhibidores de T1 (resistencia gradual cruzada)

Finalizador de cadena

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4
Q

Zidovudina

Farmacocinetica

A

Metabolismo de primer paso
Pasa a líquidos
>[] en genitales masculinos

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5
Q

Zidovudina

Efectos adversos

A

Mielosupresion
Hiper pigmentacion de uñas
Miopatias

No usar con estavudina

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6
Q

Abacavir

Generalidades

A

Análogo guanosidico

Finalizador de cadena e inhibidores TI

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7
Q

Abacavir +

A

Lamivudina

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8
Q

Abacavir

Efectos adversos

A

Hipersensibilidad en 3 semanas

Nunca an HLA B 5701

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9
Q

Tenofovir

Mecanismo

A

Hidrolizado, luego fosforilado
Inhibe TI

BD incrementa con comida rica en grasas

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10
Q

Inhibidores no nucleosidos

Generalidades

A

Actividad TI de VIH 1
No necesitan ser activados
Deben ser combinados

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11
Q

Efavirenz

Efectos adversos

A

SNC la mitad presentan
Piel en 27%
Interacción con antiepilepticos (los disminuye)

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12
Q

Efavirenz

Uso

A

Supresión de viremia y aumento de CD4
Primera línea en px que no han recibido tx

+ tenofovir + emtricitabina

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13
Q

Inhibidores de proteasa

Generalidades

A

Actividad en fases finales de maduración virica (no la permiten)
Ensamblan viriones inmaduros incapaces de infectar

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14
Q

Ritonavir

Efectos adversos

A
GI
Parestesias
⬆️ colesterol y triglicéridos por dosis
Inhibidores CYP3A4 potente
No con midazolam
Rifa ⬇️[]
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