Aptevo Therapeutics Inc
Aptevo Therapeutics Inc., a clinical-stage research and development biotechnology company, focuses on developing immunotherapeutic candidates for the treatment of various forms of cancer in the United States. The company develops its products using ADAPTIR and ADAPTIR-FLEX platforms to generate monospecific, bispecific, and multi-specific antibody candidates capable of enhancing the human immune system against cancer cells. Its lead clinical blood cancer candidate is mipletamig that is in Phase 1b/2 clinical trial for the treatment of acute myelogenous leukemia. The company also develops ALG.APV-527, a novel investigational bispecific ADAPTIR candidate that is in Phase 1 clinical trial for the treatment of non-small cell lung cancer, head and neck, colorectal, pancreatic, breast, and other solid tumors; APVO603, a preclinical dual agonist bispecific ADAPTIR candidate to treat multiple solid tumors; APVO442, a preclinical bispecific candidate based on the ADAPTIR-FLEX platform technology for the treatment of multiple solid tumors; and APVO711, a preclinical dual mechanism bispecific ADAPTIR candidate to treat prostate cancer. It has a collaboration and option agreement with Alligator Bioscience AB to develop ALG.APV-527. Aptevo Therapeutics Inc. was incorporated in 2016 and is headquartered in Seattle, Washington.
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Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with autoimmune diseases. Its lead product candidate is resecabtagene autoleucel, a 4-1BB co-stimulatory domain-containing fully human CD19-CAR T, which is in Phase 1/2 clinical trials for the treatment of dermatomyositis, anti-synthetase syndrome, immune-mediated necrotizing myopathy, juvenile myositis, lupus nephritis, non-renal systemic lupus erythematosus, relapsing and progressive multiple sclerosis, mucocutaneous and mucosal pemphigus vulgaris (PV), systemic sclerosis, and generalized myasthenia gravis. The company also develops DSG3-CAART, a CAAR T cell therapy that is in Phase 1 clinical trial for the treatment of mucosal PV; and MuSK-CAART, an investigational cell therapy in Phase 1 trial for treating patients with anti-muscle-specific kinase (MuSK) antibody positive myasthenia gravis. It has collaborations with the University of Pennsylvania and the Children's Hospital of Philadelphia; Nanjing IASO Biotherapeutics Co., Ltd; Oxford Biomedica; Autolus Holdings (UK) Limited; and WuXi Advanced Therapies, Inc. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.
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