Quimioterapéuticos Flashcards

(17 cards)

1
Q

Todos los quimioterapéuticas actuan sobre

A

Zona quimioreceptora de gatillo

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2
Q

Las resitencia tiene que ser por mutaciones

A

De novo

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3
Q

Moa del metotrexato

Enzime que inhibe

A

Inh. sin. purinas y pirimidinas

Dihidrofolato reductasa

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4
Q

EA del metotrexato

Fármaco para revertir

A

Mielosupresión, hepatotoxicidad y mucositis

Leucovorina

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5
Q

Moa de la mecaptopurina

A

Inh. sin de purinas

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6
Q

Moa del 5-fluorouracilo

Enzima que inhibe

A

Inh. sin de pirimidinas

Timidilato sintetasa (↓dTMP)

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7
Q

Moa de la ciclofosfamida y cisplatino

Primeros quimioterapéuticos usados

A

Agente alquilante → enlaces cruzados DNA

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8
Q

EA de los agentes alquilantes

Prevención

A

Cistitis hemorrágica

MENSA

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9
Q

Moa doxorrubicina

A

Citotóxico
Topoisomera II (fase S) → Intercalar ADN y generan radicales libres

Daña DNA e inhibe síntesis de RNA

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10
Q

EA doxorrubicina

Se previene con

A

Cardiotoxicidad (miocardiopatía dilatada)

Dexrazoxano

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11
Q

Moa vincristina

Fase del ciclo celular que afecta

A

Inh. ensamblaje microtúbulos

Metafase

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12
Q

EA vincristina

A
  • Neurotoxicidad periférica severa
  • Constipación e íleo paralítico
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13
Q

Moa paclitaxel

A

Estabiliza microtúbulos

No se desensamblan por lo que inhibe mitosis

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14
Q
A
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15
Q

EA comunes generales

A
  • Mielosupresión
  • Mucositis
  • Alopecia
  • Fatiga y pérdida de peso
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16
Q

Los quimioterapéuticos hacen interacciones importantes con

17
Q

Principal target de los ab monoclonales

A

CTLA4 y PD1/PDL1

Glucoprt en cx tumoral mantiene inactivo linfocito