HENDERSON, Nev.--(BUSINESS WIRE)--Spectrum Pharmaceuticals (NasdaqGS: SPPI), a biotechnology company with fully integrated commercial and drug development operations with a primary focus in hematology and oncology, affirmed today that the U.S. Food & Drug Administration (FDA) has granted FUSILEV® (levoleucovorin) “Orphan Drug” exclusivity for use in combination chemotherapy with 5-fluorouracil in the palliative treatment of patients with advanced metastatic colorectal cancer. In addition, FUSILEV therapeutic compositions are protected under a US Patent which expires at the end of December 2019. This is a composition of matter patent claiming a therapeutically effective amount of purified levoleucovorin. The Company has already filed a patent extension application.
