||The examples and perspective in this article may not represent a worldwide view of the subject. (May 2012)
Semustine is a drug used in chemotherapy. It is structurally similar to lomustine, being distinguished from it only by an additional methyl group. It has been taken off the drug market for investigation of its cancerous effects, rated as IARC Group 1 carcinogen or a known carcinogen.
- ^ "Radiation therapy and fluorouracil with or without semustine for the treatment of patients with surgical adjuvant adenocarcinoma of the rectum. Gastrointestinal Tumor Study Group". Journal of clinical oncology : official journal of the American Society of Clinical Oncology 10 (4): 549–557. 1992. PMID 1548520.