Organization and Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Company's Current Pipeline

The following table presents the Company’s current pipeline:

Therapeutic Area	Name	Stage	Product Rights
Cardiometabolic	Plozasiran (ARO-APOC3)	Two Phase 2b and one Phase 3	Arrowhead
	Zodasiran (ARO-ANG3)	Two Phase 2b	Arrowhead
	Olpasiran	Phase 3	Amgen
Pulmonary	ARO-RAGE	Phase 1/2a	Arrowhead
	ARO-MUC5AC	Phase 1/2a	Arrowhead
	ARO-MMP7	Phase 1/2a	Arrowhead
Liver	GSK-4532990	Phase 2b	GSK
	Fazirsiran	Phase 3	Takeda and Arrowhead
	JNJ-3989	Phase 2	GSK
	ARO-C3	Phase 1/2a	Arrowhead
	ARO-PNPLA3	Phase 1	Arrowhead
	ARO-CFB	Phase 1/2a	Arrowhead
Muscle	ARO-DUX4	Phase 1/2a	Arrowhead
	ARO-DM1	Phase 1/2a	Arrowhead
Central Nervous System (CNS)	Various	Pre-Clinical	Arrowhead