Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference. Its marketed products include ONPATTRO (patisiran) for the treatment of the polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; AMVUTTRA for the treatment of hATTR amyloidosis with polyneuropathy in adults; GIVLAARI for the treatment of adults with acute hepatic porphyria; and OXLUMO for the treatment of primary hyperoxaluria type 1. In addition, the company develops patisiran for the treatment of transthyretin amyloidosis, or ATTR amyloidosis, with cardiomyopathy; cemdisiran to treat complement-mediated diseases; Belcesiran for the treatment of alpha-1 liver disease; Elebsiran to treat chronic HBV infection; Zilebesiran to treat hypertension; ALN-APP to treat Alzheimer's disease and cerebral amyloid angiopathy; and ALN-HSD to treat NASH. Further, it offers Fitusiran for the treatment of hemophilia, Inclisiran to treat hypercholesterolemia, lumasiran for the treatment of advanced PH1, and vutrisiran for the treatment of ATTR amyloidosis, which is in phase 3 clinical trial. Alnylam Pharmaceuticals, Inc. has strategic collaborations with Regeneron Pharmaceuticals, Inc. to discover, develop, and commercialize RNAi therapeutics for a range of diseases by addressing therapeutic targets expressed in the eye and CNS; and Roche to develop pharmaceutical products containing zilebesiran. It also has license and collaboration agreements with Novartis AG; Vir Biotechnology, Inc.; Dicerna Pharmaceuticals, Inc.; Ionis Pharmaceuticals, Inc.; and PeptiDream, Inc. The company was founded in 2002 and is headquartered in Cambridge, Massachusetts.

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; ADUHELM to treat Alzheimer's disease; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE; and BYOOVIZ, a ranibizumab biosimilar referencing LUCENTIS. It offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; OCREVUS for relapsing MS and primary progressive MS; LUNSUMIO to treat relapsed or refractory follicular lymphoma; glofitamab for non-Hodgkin's lymphoma; and other anti-CD20 therapies. In addition, the company is developing various products for the treatment of MS, Alzheimer's disease and dementia, neuromuscular disorders, Parkinson's disease and movement disorders, neuropsychiatry, genetic neurodevelopmental disorders, and biosimilars, which are under various stages of development. It has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis Co., Ltd.; Sangamo Therapeutics, Inc.; and Sage Therapeutics, Inc., as well as collaboration with Fujirebio to potentially identify and develop blood-based biomarkers for tau pathology in the brain. The company was founded in 1978 and is headquartered in Cambridge, Massachusetts.

Denali Therapeutics Inc., a biopharmaceutical company, develops a portfolio of product candidates engineered to cross the blood-brain barrier for neurodegenerative diseases and lysosomal storage diseases in the United States. The company's transport vehicle (TV)-enabled programs include DNL310 ETV, an IDS enzyme replacement therapy program for MPS II; TAK-594/DNL593 which is in Phase 1/II for frontotemporal dementia-granulin; DNL126 program for MPS IIIA; and DNL622 for MPS I, as well as other preclinical programs that target amyloid beta and HER2. Its brain-penetrant small molecule programs comprise BIIB122/DNL151 LRRK2 inhibitor program for Parkinson's disease; SAR443820/DNL788 RIPK1 inhibitor program for CNS disease; DNL343 eIF2B Activator program for amyotrophic lateral sclerosis; and SAR443122/DNL758 RIPK1 inhibitor program for peripheral inflammatory diseases. It also provides early stage program include TAK-594/DNL593 program for FTD-GRN; DNL126 program for MPS IIIA, a Sanfilippo Syndrome A; DNL622 for MPS I which is Hurler syndrome; Antibody Transport Vehicle Amyloid beta program; Oligonucleotide Transport Vehicle platform, a novel class of biotherapeutics to address the root cause of diseases through modulation of gene expression; and other TV-enabled discovery programs. The company has collaboration agreements with Biogen MA Inc. and Biogen International GmbH; Genzyme Corporation; Takeda Pharmaceutical Company Limited; F-star Gamma Limited, F-star Biotechnologische Forschungs-und Entwicklungsges m.b.H, and F-star Biotechnology Limited; and Genentech, Inc. The company was formerly known as SPR Pharma Inc. and changed its name to Denali Therapeutics Inc. in March 2015. Denali Therapeutics Inc. was incorporated in 2013 and is headquartered in South San Francisco, California.

Voyager Therapeutics, Inc., a biotechnology company, focuses on the treatment of gene therapy and neurology diseases. The company's lead clinical candidate is VY-TAU01, an anti-tau antibody program for the treatment of alzheimer's disease. Its product pipeline includes superoxide dismutase 1 silencing gene therapy, which is in preclinical trial for the treatment of amyotrophic lateral sclerosis; tau silencing gene therapy, which is in preclinical trial for the treatment of alzheimer's disease; and vectorized anti-amyloid antibody, a gene therapy targeting anti-amyloid for the treatment of alzheimer's disease and is in preclinical trial. In addition, the company develops VY-FXN01, which is in preclinical trial to treat friedreich's ataxia; and GBA1 gene replacement to treat parkinson's disease and is in preclinical trial. Further, it provides research program for the treatment of Huntington's disease. The company has collaboration and license agreements with Alexion; AstraZeneca Rare Disease; Novartis Pharma AG; Neurocrine Biosciences, Inc; and Sangamo Therapeutics, Inc. Voyager Therapeutics, Inc. was incorporated in 2013 and is headquartered in Lexington, Massachusetts.

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. The company's SupraAntigen and Morphomer platforms are designed to generate biologics and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases. It is developing Crenezumab, a humanized, conformation-specific monoclonal antibody used to slow Alzheimer's disease (AD) progression; and Semorinemab, an investigational monoclonal anti-Tau antibody that targets the N-terminal portion of the Tau protein and is designed to bind to Tau and slow its spread between neurons for the treatment of AD. The company is also developing ACI-24.060 for the treatment of down syndrome-related AD; ACI-7104.056, to treat Parkinson's disease; and ACI-35.030, designs to stimulate a patient's immune system to produce antibodies against pathological phosphorylated Tau. In addition, it is developing diagnostic programs, consisting of PI-2620, a Tau diagnostic for AD, as well as non-AD Tauopathies; and ACI-12589, a-sync PET tracer that supports the differential diagnosis of multiple system atrophy from other neurodegenerative disease. Further, the company is researching and developing Morphomer Tau aggregation inhibitors to evaluate candidates in AD and NeuroOrphan Tauopathies. Additionally, it has discovery and preclinical stage molecules targeting range of neurodegenerative diseases, which include diagnostics targeting TDP-43, alpha-synuclein, and NLRP3. The company has license agreements and collaborations with Genentech, Inc.; Janssen Pharmaceuticals, Inc.; Life Molecular Imaging SA; and Eli Lilly and Company. AC Immune SA was incorporated in 2003 and is headquartered in Lausanne, Switzerland.

Alector, Inc., a clinical stage biopharmaceutical company, develops therapies for the treatment of neurodegeneration diseases. Its products include AL001, an immune activity in the brain with genetic links to multiple neurodegenerative disorders, which is in Phase III clinical trial for the treatment of frontotemporal dementia, Alzheimer's, Parkinson's, and amyotrophic lateral sclerosis diseases; and AL101 that is in Phase I clinical trial for the treatment of neurodegenerative diseases, including Alzheimer's and Parkinson's diseases. The company also offers AL002, a product candidate that is in Phase II clinical trial for the treatment of Alzheimer's disease. Alector, Inc. has a collaboration agreement with Adimab, LLC for the research and development of antibodies; and a strategic collaboration agreement with GlaxoSmithKline plc for the development and commercialization of monoclonal antibodies, such as AL001 and AL101 to treat neurodegenerative diseases. The company was founded in 2013 and is headquartered in South San Francisco, California.

NeuroSense Therapeutics Ltd., a clinical-stage biotechnology company, focuses on discovering and developing treatments for patients suffering from debilitating neurodegenerative diseases in the United States and internationally. The company's lead product is PrimeC, an extended-release oral formulation of a fixed-dose combination of ciprofloxacin and celecoxib, currently under Phase 2b/3 clinical trials for the treatment of amyotrophic lateral sclerosis, and completed Phase 2 clinical trials for the treatment of Alzheimer's, as well as under preclinical studies for the treatment of Parkinson's disease. Its preclinical pipeline includes StabiliC for the treatment of Parkinson's disease; and CogniC for the treatment of Alzheimer's disease. The company was incorporated in 2017 and is headquartered in Herzliya, Israel.

Protalix BioTherapeutics, Inc., a biopharmaceutical company, engages in the development, production, and commercialization of recombinant therapeutic proteins based on its proprietary ProCellEx plant cell-based protein expression system in the United States, Australia, Canada, Israel, Brazil, Russia, Turkey, and internationally. The company offers Elelyso for the treatment of Gaucher disease; and Elfabrio for the treatment of adult patients with a confirmed diagnosis of Fabry disease. It is also developing PRX-115, a plant cell-expressed recombinant PEGylated Uricase which is in Phase I trial for the treatment of gout; and PRX-119, a plant cell-expressed PEGylated recombinant human DNase I product candidate that is in preclinical phase for the treatment of NETs-related diseases. The company has agreements and partnerships with Pfizer; Fundação Oswaldo Cruz; and Chiesi Farmaceutici S.p.A. The company was incorporated in 1993 and is headquartered in Karmiel, Israel. Protalix BioTherapeutics, Inc. is a subsidiary of Protalix Ltd.