Single Biggest Cancer Dictionary in the World

What is

PS-341

?

Pronunciation: /ps* θri ˈhənərd ənd forty-one*/

PS-341

Definition

A drug used to treat adults with multiple myeloma or mantle cell lymphoma. It is also being studied in the treatment of other types of cancer. PS-341 blocks the action of enzymes called proteasomes, which may help keep cancer cells from growing and may kill them. It is a type of proteasome inhibitor. Also called bortezomib and Velcade.