Cancer drugs 1 Flashcards
What do the Antimetabolites class do?
Inhibit/interfere with DNA/RNA synthesis
What phase of the cell cycle are Antimetabolites specific for?
S phase
What are 5 examples of Antimetabolites
- Methotrexate
- 6-mercaptopurine
- 5 -fluorouracil
- Gemcitabine
- Cytarabine
MCG 56
What is methotrexate structrually related to
folic acid
what does methotrexate inhibit
dihydrofolate reducatase (DHFR)
what is methotrexate used for?
leukaemia, breast cancer, head and neck cancer
what phase of the cell cycle does methotrexate target?
s phase
what can low doses of methotrexate be used to treat?
Rheumatoid arthritis
what is 6-mercaptopurine used to treat?
maintenance of remission of acute lymphoblastic leukaemia
what does 6-mercaptopurine inhibit
purine biosynthesis
what does 5-fluorouracil deplete
nucleotide pools
what is 5-flurorouracil often given with
methotrexate
what is gemcitabine an analogue of
deoxycytidine
what is gemcitabine used to treat
advanced metastatic pancreatic cancer
what is a major side effect of gemcitabine
myelosuppression