Amylyx Pharmaceuticals, Inc., a commercial-stage biotechnology company, engages in the discovery and development of treatment for amyotrophic lateral sclerosis (ALS) and neurodegenerative diseases. The company's products include RELYVRIO, a dual UPR-Bax apoptosis inhibitor composed of sodium phenylbutyrate and taurursodiol for the treatment of ALS in adults in the United States and marketed as ALBRIOZA for the treatment of ALS in Canada. It is also developing AMX0114 for other neurodegenerative diseases. Amylyx Pharmaceuticals, Inc. was founded in 2013 and is headquartered in Cambridge, Massachusetts.

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.

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.

CervoMed Inc., a biotechnology company, engages in the development and commercialization of treatments for age-related neurologic disorders. Its lead drug candidate is neflamapimod, an orally administered small molecule brain penetrant for the treatment of dementia with Lewy bodies (DLB), Alzheimer's diseases, frontotemporal dementia, and ischemic stroke recovery. The company also develops EIP200 for central nervous system which is in preclinical trials. CervoMed Inc. was founded in 2010 and is headquartered in Boston, Massachusetts.

Acumen Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops targeted therapies for the treatment of Alzheimer's disease. The company focuses on advancing a targeted immunotherapy drug candidate sabirnetug (ACU193), a recombinant humanized immunoglobulin gamma 2 that completed Phase I clinical trial to target soluble amyloid-beta oligomers. The company has a license agreement with Lonza Sales AG to manufacture and commercialize sabirnetug; and a collaboration and license agreement with Halozyme, Inc. for the development of a subcutaneous formulation of sabirnetug. Acumen Pharmaceuticals, Inc. was incorporated in 1996 and is headquartered in Charlottesville, Virginia.

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.

Alzamend Neuro, Inc., a clinical-stage biopharmaceutical company, focuses on developing various products for the treatment of neurodegenerative and psychiatric disorders. Its pipeline includes AL001, which delivers a therapeutic combination of lithium, proline, and salicylate for the treatment of Alzheimer's, bi-polar disorder, post-traumatic stress disorder, major depressive disorder, other neurodegenerative diseases, and psychiatric disorders; and ALZN002 stage, which uses a method using a mutant-peptide sensitized cell as a cell-based therapeutic vaccine to restore the ability of a patient's immunological system to combat Alzheimer's disease. The company has partnership agreement with Massachusetts General Hospital for the Phase II clinical trial of AL001. Alzamend Neuro, Inc. was incorporated in 2016 and is headquartered in Atlanta, Georgia.

Vaxxinity, Inc., a biotechnology company, focuses on developing product candidates for human use in the fields of neurology, cardiovascular diseases, and coronaviruses in the United States. Its product pipeline comprises UB-311, which is in phase 2 clinical trial that targets toxic forms of aggregated amyloid-b in the brain to fight alzheimer's disease; UB-312, which is in phase 1 clinical trial that targets toxic forms of aggregated a-synuclein in the brain to fight parkinson's disease and other synucleinopathies, such as Lewy body dementia and multiple system atrophy; and VXX-301, which is in preclinical trial, an anti-tau product candidate for various neurodegenerative conditions, including alzheimer's disease, traumatic brain injury, and chronic traumatic encephalopathy. It also develops VXX-401, which is phase 1 clinical trial that targets proprotein convertase subtilisin/kexin type 9 serine protease to lower low-density lipoprotein cholesterol and reduce the risk of cardiac events; UB-313 that targets calcitonin gene-related peptide to fight migraines; and UB-612, neutralizes the SARS-CoV-2 virus and is in phase 3 clinical trial. The company was incorporated in 2021 and is headquartered in Merritt Island, Florida.