Arrowhead Pharmaceuticals, Inc. develops medicines for the treatment of intractable diseases in the United States. Its pipeline includes Plozasiran to reduce production of apolipoprotein C-III in Phase 3 studies; Zodasiran to reduce production of angiopoietin-like protein 3 in Phase 3 clinical trials; ARO-DIMER-PA, a dual functional RNAi molecule in a Phase 1/2a clinical trials; and ARO-PNPLA3, an investigational RNAi therapeutic in Phase 1 clinical trials. The company also develops ARO-INHBE, to reduce the hepatic expression of the INHBE gene and its secreted gene product, Activin E in Phase 1/2a clinical trials; ARO-ALK7 to silence adipocyte expression of the ACVR1C gene in Phase 1/2a clinical trials; ARO-RAGE to reduce production of the receptor for advanced glycation end products in Phase 1/2a clinical trials; and ARO-MAPT, an investigational RNAi-based therapy. In addition, it is developing ARO-C3 to reduce production of C3 in Phase 1/2a clinical trials; and ARO-CFB to reduce hepatic expression of CFB in a Phase 1/2a clinical trials. The company has collaboration and license Agreements with Glaxosmithkline Intellectual Property (No. 3) Limited; Takeda Pharmaceutical Company Limited; Amgen Inc.; and Sarepta Therapeutics, Inc. Arrowhead Pharmaceuticals, Inc. was founded in 2001 and is headquartered in Pasadena, California.
Company profile updated October 11, 2026.
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