Alnylam Pharmaceuticals, Inc. discovers, develops, and commercializes therapeutics based on ribonucleic acid interference. It offers ONPATTRO and AMVUTTRA for hereditary transthyretin-mediated amyloidosis; GIVLAARI for acute hepatic porphyria; OXLUMO for primary hyperoxaluria type 1; and Leqvio for hypercholesterolemia. It also develops vutrisiran, which is in phase III clinical trial for transthyretin amyloidosis (ATTR) with cardiomyopathy; Nucresiran that is in phase I clinical trial for ATTR amyloidosis; Fitusiran, which is in phase III clinical trial for hemophilia; cemdisiran that is in phase III clinical trial for Myasthenia Gravis and paroxysmal nocturnal hemoglobinuria, and geographic atrophy; and ALN-6400, which is in phase I clinical trial for bleeding disorders. In addition, the company is also developing Zilebesiran, which is in phase II clinical trial for hypertension; Rapirosiran that is in phase II clinical trial for Metabolic dysfunction-associated steatohepatitis; ALN-4324, which is in phase I clinical trial for type 2 diabetes mellitus; ALN-PNP that is in phase I clinical trial for non-alcoholic fatty liver disease; ALN-APOC3, which is in phase I clinical trial for dyslipidemia; Mivelsiran that is in phase II clinical trial for cerebral amyloid angiopathy, and phase I clinical trial for Alzheimer's disease; and ALN-HTT02 that is in phase I clinical trial for Huntington's disease. Further, it develops ALN-SOD, which is in phase II clinical trial for SOD1 Amyotrophic lateral sclerosis; Elebsiran that is in phase II clinical trial for Hepatitis B and D virus infections; ALN-BCAT that is in phase I clinical trial for hepatocellular carcinoma; and ALN-ANG3. It has collaborations with Regeneron Pharmaceuticals, Inc.; Roche Holding AG; Regeneron Pharmaceuticals, Inc.; Sanofi S.A.; Novartis AG; PeptiDream, Inc; Dicerna Pharmaceuticals, Inc.; and Ionis Pharmaceuticals, Inc. The company was founded in 2002 and is headquartered in Cambridge, Massachusetts.