Imutrex is available in multiple strengths, including 2.5mg, 5mg, 7.5mg, 10mg, 15mg, 20mg, and 25mg tablets. It is used in the management of various cancers such as breast cancer, leukemia, lung cancer, lymphoma, gestational trophoblastic disease, and osteosarcoma. Imutrex is also marketed under brand names like Oncotrex and Folitrax.