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Biogen and Idec merged in 2003, combining forces to market Biogen's multiple sclerosis drug Avonex and Idec's cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva (oncology) and Ocrevus (multiple sclerosis) are marketed via a collaboration with Roche. Biogen markets several multiple sclerosis drugs including Plegridy, Tysabri, Tecfidera, and Vumerity. Biogen's newer products include Spinraza (SMA, with partner Ionis), Leqembi (Alzheimers, with partner Eisai), Skyclarys (Friedreich's Ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (ALS, Ionis). Biogen has several drug candidates in phase 3 trials in neurology, immunology, and rare diseases.
Pan American Silver Corp is a mining company principally engaged in the operation and development of, and exploration for, silver and gold-producing properties and assets. The company's principal products are silver and gold, although it also produces and sells zinc, lead, and copper. Its operating mines comprise La Colorada, Dolores, Huaron, Morococha, Shahuindo, La Arena, Timmins West, Bell Creek, Manantial Espejo, and San Vicente mines.