198 Biothérapie - thérapies cellulaires Flashcards

1
Q

Origine -momab

A

Murin

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2
Q

Origine - ximab

A

chimériques

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3
Q

Origine -zumab

A

humanisés

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4
Q

Origine -mumab

A

humain

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5
Q

Mécanisme des biothérapie

A

Action directe
Lyse cellule ciblée (activation complémente et formation complexe attaque mbr)
Cytotoxicité cellulaire dépdant des Ac (ADCC)
Phagocytose dpd des Ac (ADPC)

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6
Q

Médicament ac anti-CD20 et indication

A

Rituximab
CD20: expirmé par lymphocyte B matures
- Lymphome B, LLC
- AHAI, PTI, PR

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7
Q

Effet secondaires Rituximab

A

Syndrome relargage cytokinine (prévention via anti-histamine)
Toxicité hméto
Sensibilité infection
Risque réactivation virale (hépatite fulminante, LEMP)

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8
Q

Médicament Ac anti-CD52

A

Alemtuzumab
- contre glycoprotéine CD52 sur LtB et LtT, monocyte, macrophage
- IV ou SC 3/S
Indication: LLC résistante chimio ou délétion 17p, SEP

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9
Q

Effet secondaire Alemtuzumab

A

Syndrome relargage cytokinique

Toxicité hémato avec risque infection opportuniste

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10
Q

Ac atni-HER2

A

Trastuzumab
Contre Ag HER2/Neu
Cancer du sein

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11
Q

Ac anti-VEGF

A

Bevacizumab
Angiogenèse tumorale, activation Lt régulateurs
- cancer métastatique
- anti-angiogénique DMLA

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12
Q

Ac anti-TNFa

A

Etanercept: proteine recombiante fusion, partie soluble R. II TNFa et chaine lourse IgG1
Infliximab: Ac monoclonal anti-TNFa chimérique, partie murine TNFa et IgG1 humaine

  • PR, spondylarthrite ankylosante, Crohn, arthrite psoriasique, psoriasis
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