FOLFIRINOX and FOLFOXIRI are different names for the same combination of chemotherapy drugs. They are named after the initials of the drugs used for treatment. The drugs are:
When these drugs are used to treat pancreatic cancer, they are called FOLFIRINOX. When they are used to treat bowel cancer, they are usually called FOLFOXIRI.
In this information, we call fluorouracil by its more common name, 5FU. Folinic acid is sometimes called calcium folinate or leucovorin.
Folinic acid is not a chemotherapy drug, but is often given with 5FU to make it work better.