ACADIA Pharmaceuticals Inc., a biopharmaceutical company, focuses on the development and commercialization innovative medicines that address unmet medical needs in central nervous system (CNS) disorders and rare diseases in the United States. The company offers NUPLAZID (pimavanserin) for the treatment of hallucinations and delusions associated with Parkinson's disease psychosis; and DAYBUE, a novel synthetic analog of the amino-terminal tripeptide of insulin-like growth factor 1 for treatment of Rett Syndrome. It also develops Pimavanserin that is in Phase III ADVANCE-2 study to treat the negative symptoms of schizophrenia; ACP-101 whixh is in Phase III for the treatment of hyperphagia in Prader-Willi syndrome; ACP-204 which is in Phase II for the treatment of Alzheimer's disease psychosis; ACP-2591 that is in Phase I for Rett syndrome and Fragile X syndrome; preclinical antisense oligonucleotide programs; and other programs for neuropsychiatric symptoms. It has a license agreement with Neuren Pharmaceuticals Limited to develop and commercialize trofinetide for Rett syndrome and other indications; and a license and collaboration agreement with Stoke Therapeutics, Inc. to discover, develop and commercialize novel RNA-based medicines for the potential treatment of severe and rare genetic neurodevelopmental diseases of the CNS. The company was formerly known as Receptor Technologies, Inc. and changed its name ACADIA Pharmaceuticals Inc. in 1997. ACADIA Pharmaceuticals Inc. was incorporated in 1993 and is headquartered in San Diego, California.

Rapport Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery and development of small molecule medicines for patients suffering from central nervous system (CNS) disorders. Its lead product candidate is receptor associated protein (RAP)-219, an investigational small molecule that is designed to inhibit TARPy8-containing AMPARs with picomolar affinity for the treatment of focal epilepsy and other CNS disorders, including peripheral neuropathic pain and bipolar disorder. The company also develops RAP-199, a TARPy8 targeted molecule with differentiated chemical and pharmacokinetic properties; and nicotinic acetylcholine receptor (nAChR) programs, such as a6 nAChR to treat chronic pain and a9a10 nAChR for the treatment of hearing disorders. Rapport Therapeutics, Inc. was incorporated in 2022 and is headquartered in Boston, Massachusetts.

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.

MetaVia Inc., a clinical-stage biotechnology company focuses on developing and commercializing novel pharmaceuticals to treat cardiometabolic diseases. It develops DA-1241, a novel G-Protein-Coupled Receptor 119 agonist with development optionality as a standalone and/or combination therapy that is in Phase 2a clinical trial for metabolic dysfunction-associated steatohepatitis (MASH), and has completed Phase 1 clinical trial for the treatment of type 2 diabetes mellitus (T2DM); and DA-1726, a novel oxyntomodulin analogue functioning as a GLP-1 receptor and glucagon receptor dual agonist, which is in preclinical development for the treatment of obesity. The company's therapeutic programs include ANA001, a proprietary oral niclosamide formulation for the treatment of patients with moderate COVID-19; NB-01 for the treatment of painful diabetic neuropathy; NB-02 for the treatment of cognitive impairment; and Gemcabene for the treatment of dyslipidemia. It has a license agreement with Pfizer Inc. for the research, development, manufacture, and commercialization of Gemcabene; and joint research agreement with Dong-A ST and ImmunoForge for the development of DA-1726. The company was formerly known as NeuroBo Pharmaceuticals, Inc. and changed its name to MetaVia Inc. in November 2024. MetaVia Inc. is headquartered in Cambridge, Massachusetts.

Minerva Neurosciences, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of product candidates for the treatment of central nervous system diseases. Its lead product candidate is roluperidone (MIN-101) for the treatment of negative symptoms in patients with schizophrenia, currently submitted an New Drug Application (NDA); and MIN-301, a soluble recombinant form of the neuregulin-1b1 protein for the treatment of Parkinson's disease and other neurodegenerative disorders. The company has a license agreement with Mitsubishi Tanabe Pharma Corporation to develop, sell, and import roluperidone globally excluding Asia. Minerva Neurosciences, Inc. was incorporated in 2007 and is based in Burlington, Massachusetts.

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.

Klotho Neurosciences, Inc., a biopharmaceutical company, develops therapies for neurological and age-related disorders, and specialty diagnostics. Its products include cell and gene therapies to mitigate age-related pathologies, such as dementia symptoms, and Alzheimer and neuromuscular diseases; biologics/biosimilars in the treatment of cancer; and melanocortin receptors. The company has a strategic partnership with Japan's Okinawa Research Center for the research and development of Klotho gene therapy in enhancing longevity and reducing age-related diseases. The company was formerly known as Anew Medical, Inc. and changed its name to Klotho Neurosciences, Inc. in September 2024. Klotho Neurosciences, Inc. is based in Omaha, Nebraska.

Cerevel Therapeutics Holdings, Inc., a clinical-stage biopharmaceutical company, develops various therapies for neuroscience diseases in the United States. It is developing Emraclidine, a positive allosteric modulator (PAM) that is in phase 1b clinical trials for the treatment of schizophrenia; and Darigabat, a PAM, which is in Phase 2 proof-of-concept trial in patients with drug-resistant focal onset seizures or focal epilepsy, as well as in phase 1 trial to treat panic symptoms model. The company's products also comprise Tavapadon, a selective dopamine D1/D5 partial agonist that is in phase 3 clinical trial for the treatment of early- and late-stage Parkinson's disease; CVL-871, a selective dopamine D1/D5 partial agonist, which is in Phase 2a clinical trial to treat dementia-related apathy; and CVL-354, a selective kappa-opioid receptor antagonist to treat major depressive disorder and substance use disorder. It is also involved in the development of an M4 agonist program for the treatment of psychosis and related indications; and PDE4 inhibitor for the treatment of psychiatric, neuroinflammatory, and other disorders. Cerevel Therapeutics Holdings, Inc. was founded in 2018 and is headquartered in Cambridge, Massachusetts.