NGM Biopharmaceuticals is a biopharmaceutical company. Co. has five product candidates in the clinic, three wholly-owned by Co. (NGM707, NGM120 and aldafermin), one being progressed by its collaborator, Merck Sharp & Dohme Corp., or Merck (MK-3655) and one optionable by Merck (NGM621). Co.'s oncology product candidates include NGM707, NGM831, NGM438 and NGM120 and their related compounds. NGM621 was engineered to bind to, and be a long-acting inhibitor of, complement C3 with the treatment goal of reducing disease progression in patients with geographic atrophy, secondary to age-related macular degeneration. MK-3655 isin Phase 2b development for the treatment of nonalcoholic steatohepatitis.