Brand name: Mitomycin
Chemical name: Mutamycin
Class: Antitumor antibiotic chemotherapy. No other antitumor antibiotics are used to treat breast cancer.
How it works: Antitumor antibiotics kill cancer cells by damaging their genes and interfering with their reproduction.
Uses: Mitomycin is used to treat advanced-stage breast cancer.
How it's given: Mitomycin is given intravenously.