CARMUSTINE IS A CELL-CYCLE PHASE NON-SPECIFIC ANTINEOPLASTIC BELONGING TO THE NITROSOUREA GROUP OF COMPOUNDS, WHICH ARE CONSIDERED TO FUNCTION AS ALKYLATING AGENTS. IT IS BELIEVED TO ALKYLATE DNA AND RNA, AND MAY ALSO INHIBIT ENZYMATIC PROCESSES BY CARBAMOYLATION OF AMINO ACIDS IN PROTEINS. CARMUSTINE IS USED IN THE TREATMENT OF BRAIN TUMOURS, AND IN COMBINATION CHEMOTHERAPY FOR MULTIPLE MYELOMA. IT MAY BE GIVEN AS SECOND-LINE THERAPY IN HODGKIN'S DISEASE, NON-HODGKIN'S LYMPHOMA, AND SOME OTHER MALIGNANCIES .