Sagent Pharmaceuticals, Inc., a specialty pharmaceutical company, develops, sources, manufactures, and markets pharmaceutical products, principally injectable-based generic equivalents to branded products in North America. The company offers anti-infective products, such as Cefepime, an antibiotic used to treat infections of the urinary tract, and skin and skin structures, as well as moderate to severe pneumonia, intra-abdominal infections, and as empiric therapy for febrile neutropenic patients; and Levofloxacin, a fluoroquinolone antibacterial for the treatment of infections caused by susceptible bacteria, including nosocomial and community acquired pneumonia, sinusitis, chronic bronchitis, skin and skin structure infections, prostatitis, urinary tract infection, and pyelonephritis in adults of age 18 years or older. It also provides oncology products consisting of Leucovorin Calcium, a folic acid derivative used to prevent harmful effects of methotrexate when methotrexate is used to treat certain types of cancer; and Zoledronic Acid, a bisphosphonate given intravenously to prevent skeletal fractures in patients with cancers, such as multiple myeloma and prostate cancer, as well as for treating osteoporosis. In addition, the company offers critical care products comprising Heparin, an anticoagulant used to prevent and treat blood clotting during and after surgery and dialysis; and Propofol, a sedative used to induce and maintain general anesthesia during surgical procedures. As of December 31, 2014, its product portfolio included 54 marketed products. Sagent Pharmaceuticals, Inc. sells its products to hospitals, integrated delivery networks, and alternative site facilities through pharmaceutical wholesalers and specialty distributors. The company was formerly known as Sagent Holding Co. and changed its name to Sagent Pharmaceuticals, Inc. in April 2011. Sagent Pharmaceuticals, Inc. was founded in 2006 and is headquartered in Schaumburg, Illinois.