Cancer Care Flashcards

1
Q

Cyclophosphamide

  • Class
  • MoA
  • Adverse effects
A
  • Alkylating agents
  • Causes cross-linking in DNA
  • Haemorrhagic cystitis, myelosuppression, transitional cell carcinoma
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2
Q

Bleomycin

  • Class
  • MoA
  • Adverse effects
A
  • Cytotoxic antibiotics
  • Degrades preformed DNA
  • Lung fibrosis
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3
Q

Anthracyclines (e.g doxorubicin)

  • Class
  • MoA
  • Adverse effects
A

Cytotoxic antibiotics
Stabilizes DNA-topoisomerase II complex inhibits DNA & RNA synthesis
Cardiomyopathy

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4
Q

Methotrexate

  • Class
  • MoA
  • Adverse effects
A
  • Antimetabolites
  • Inhibits dihydrofolate reductase and thymidylate synthesis
  • Myelosuppression, mucositis, liver fibrosis, lung fibrosis
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5
Q

Fluorouracil (5-FU)

  • Class
  • MoA
  • Adverse effects
A
  • Antimetabolites
  • Pyrimidine analogue inducing cell cycle arrest and apoptosis by blocking thymidylate synthase (works during S phase)
  • Myelosuppression, mucositis, dermatitis
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6
Q

6-mercaptopurine

  • Class
  • MoA
  • Adverse effects
A
  • Antimetabolites
  • Purine analogue that is activated by HGPRTase, decreasing purine synthesis
  • Myelosuppression
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7
Q

Cytarabine

  • Class
  • MoA
  • Adverse effects
A
  • Antimetabolites
  • Pyrimidine antagonist. Interferes with DNA synthesis specifically at the S-phase of the cell cycle and inhibits DNA polymerase
  • Myelosuppression, ataxia
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8
Q

Vincristine, vinblastine

  • Class
  • MoA
  • Adverse effects
A
  • Acts on microtubules
  • Inhibits formation of microtubules
  • Vincristine: Peripheral neuropathy (reversible) , paralytic ileus
  • Vinblastine: myelosuppression
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9
Q

Docetaxel

  • Class
  • MoA
  • Adverse effects
A
  • Acts on microtubules
  • Prevents microtubule depolymerisation & disassembly, decreasing free tubulin
  • Neutropaenia
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10
Q

Irinotecan

  • Class
  • MoA
  • Adverse effects
A
  • Topoisomerase Inhibitors
  • Inhibits topoisomerase I which prevents relaxation of supercoiled DNA
  • Myelosuppression
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11
Q

Cisplatin

  • Class
  • MoA
  • Adverse effects
A
  • Other cytotoxic drugs
  • Causes cross-linking in DNA
  • Ototoxicity, peripheral neuropathy, hypomagnesaemia
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12
Q

Hydroxyurea (hydroxycarbamide)

  • Class
  • MoA
  • Adverse effects
A
  • Other cytotoxic drugs
  • Inhibits ribonucleotide reductase, decreasing DNA synthesis
  • Myelosuppression
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13
Q

Chronic myeloid leukaemia - Philadelphia chromosome

A

Translocation between long arm of chromosome 9 and 22

t(9:22)(q34; q11).

Results in BCR-ABL gene, a fusion protein that has tyrosine kinase activity in excess of normal

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14
Q

Chronic myeloid leukaemia first line

A

Imatinib (tyrosine kinase inhibitor)

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15
Q

coeliac disease blood film findings

A

Target cells and Howell-Jolly bodies → hyposplenism

HJB = remnants of nuclear DNA inside RBC)

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16
Q

Haemophilia

A
  • X-linked
  • A (VIII), B (IX)
  • prolonged APTT
  • haemoarthroses
17
Q

Empirical antibiotic of choice for neutropenic sepsis

A

Piperacillin with tazobactam (Tazocin)

18
Q

Richter’s transformation

A

When leukaemia cells enter the lymph node and change into a high-grade, fast-growing non-Hodgkin’s lymphoma.

Patients often become unwell very suddenly.

19
Q

Tumour lysis syndrome electrolytes

A

High potassium, high phosphate, and low calcium

20
Q

Tumour lysis syndrome tx

A

Allopurinol