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AC Immune SA, a clinical stage biopharmaceutical company, discovers, designs, and develops medicines and diagnostic products for the prevention and treatment of neurodegenerative diseases associated with protein misfolding. Its SupraAntigen and Morphomer platforms are designed to generate vaccines, antibodies, and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases. The company is developing Crenezumab, a humanized, conformation-specific monoclonal antibody, which is in Phase II clinical studies trial for the treatment of Alzheimer's disease (AD). It is also developing ACI-24, an anti-Abeta vaccine candidate that is in Phase II clinical study for AD, as well as completed Phase Ib clinical study for Down syndrome; ACI-35, an anti-Tau vaccine candidate that is in Phase Ib/2a clinical study; and Tau- positron emission tomography (PET) imaging tracer, which is in Phase II clinical study. In addition, the company is researching and developing small molecule Tau aggregation inhibitors for AD and NeuroOrphan indications. Further, it has discovery and preclinical stage molecules targeting range of neurodegenerative diseases, which include diagnostics targeting TDP-43, alpha-synuclein, and NLRP3. AC Immune SA has license agreements and collaborations with Genentech, Inc.; Biogen International GmbH; Janssen Pharmaceuticals, Inc.; Life Molecular Imaging SA; Eli Lilly and Company; and WuXi Biologics. The company was incorporated in 2003 and is headquartered in Lausanne, Switzerland.

Emisphere Technologies, Inc. operates as a commercial stage pharmaceutical and drug delivery company in the United States. The company offers oral Eligen B12 Rx, an oral formulation prescription medical food for use by B12 deficient individuals. It is also developing GLP-1, which is in Phase III clinical trial for the treatment of type 2 diabetes and related conditions. The company's preclinical programs focus on the development of oral formulations for the treatment of diabetes; and products in the areas of cardiovascular, appetite suppression, and pain, as well as in the development and expansion of nutritional supplement products. It has license agreements with Novo Nordisk A/S to develop and commercialize oral formulations of GLP-1 receptor agonists in combination with Emisphere carriers, as well as to develop and commercialize oral formulations of Novo Nordisk's insulin using the company's Eligen Technology. The company was formerly known as Clinical Technologies Associates, Inc. and changed its name to Emisphere Technologies, Inc. in 1991. Emisphere Technologies, Inc. was founded in 1986 and is based in Roseland, New Jersey.

Flexion Therapeutics, Inc. operates as a biopharmaceutical company, which engages in the development and commercialization of novel and local therapies. It specializes in the treatment of patients with musculoskeletal conditions including osteoarthritis. It offers products under the Zilretta brand, an extended-release corticosteroid approved to manage osteoarthritis knee pain. The company was founded by Michael D. Clayman and Neil Bodick on November 5, 2007 and is headquartered in Burlington, MA.

Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. The company is involved in developing birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, for the treatment of Parkinson's disease and other related synucleinopathies which is in Phase IIb clinical trial; NNC6019 that is in Phase lI clinical trial for the treatment of ATTR amyloidosis; and BMS-986446 and PRX012, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX123, a dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease; and PRX019 for the treatment of neurogenerative diseases, as well as TDP-43 for the treatment of amyotrophic lateral sclerosis. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. The company was incorporated in 2012 and is based in Dublin, Ireland.

Protagonist Therapeutics, Inc., a biopharmaceutical company, develops peptide-based drugs for hematology and blood disorders, and inflammatory and immunomodulatory diseases. It is developing Rusfertide (PTG-300), an injectable hepcidin mimetic that completed phase 2 clinical trials for the treatment of polycythemia vera and other blood disorders; and JNJ-2113, an orally delivered investigational drug to block biological pathways that completed phase 2b clinical trials for the treatment of moderate-to-severe plaque psoriasis; and PN-943, an orally delivered, gut-restricted alpha 4 beta 7 specific integrin antagonist completed a phase 2 clinical trials in patients with moderate to severe ulcerative colitis. The company has a license and collaboration agreement with Takeda to commercialize rusfertide; and JNJ Innovative Medicines to co-develop Interleukin-23 receptor antagonist compound JNJ-2113. Protagonist Therapeutics, Inc. was incorporated in 2006 and is headquartered in Newark, California.