ACELYRIN, Inc. operates as a biopharma company. The company is headquartered in Agoura Hills, California and currently employs 83 full-time employees. The company went IPO on 2023-05-05. The firm is focused on providing treatment options by identifying, acquiring, and accelerating the development and commercialization of transformative medicines. The firm has two programs in late-stage clinical development. The Company’s lead product candidate, izokibep, is being evaluated in multiple immunologic indications, including hidradenitis suppurativa (HS), psoriatic arthritis (PsA), and uveitis. The firm is also developing Lonigutamab for the treatment of thyroid eye disease (TED), as well as developing SLRN-517 in chronic urticaria. Izokibep is an inhibitor of anti-interleukin (IL)-17A in phase III development for the treatment of psoriatic arthritis, hidradenitis suppurativa and uveitis. Lonigutamab is a subcutaneously delivered monoclonal antibody targeting IGF-1R being investigated for the treatment of TED. SLRN-517, a fully IgG1 human monoclonal antibody designed to target a distinct epitope of c-KIT.