Anavex Life Sciences Corp., a clinical stage biopharmaceutical company, engages in the development of therapeutics for the treatment of central nervous system diseases. Its lead product candidate is ANAVEX 2-73 for the treatment of Alzheimer's disease and Parkinson's disease, as well as other central nervous system diseases, including rare diseases, such as Rett syndrome, a rare severe neurological monogenic disorder; and infantile spasms, Fragile X syndrome, and Angelman syndrome. The company's drug candidate also comprises ANAVEX 3-71, which is in clinical trial for the treatment of schizophrenia, frontotemporal dementia, and Alzheimer's disease. Its preclinical drug candidates include ANAVEX 1-41 for the treatment of depression, stroke, and neurogenerative disease; ANAVEX 1066 for the potential treatment of neuropathic and visceral pain; and ANAVEX 1037 to treat prostate and pancreatic cancer. The company was incorporated in 2004 and is headquartered in New York, New York.

MeiraGTx Holdings plc, a clinical stage gene therapy company, focusing on developing treatments for patients with serious diseases. The company develops various therapies for ocular diseases, including inherited retinal diseases and large degenerative ocular diseases, neurodegenerative diseases, and xerostomia. Its programs in clinical development include Phase I/II clinical stage programs in achromatopsia, X-linked retinitis pigmentosa, and RPE65-deficiency; Phase I clinical trials for radiation-induced xerostomia; and Parkinson's program that has completed a Phase II trial. It has a research collaboration agreement with Janssen Pharmaceuticals, Inc. for the research, development, and commercialization of gene therapies for the treatment of inherited retinal disease. The company was incorporated in 2015 and is based in New York, New York.

REGENXBIO Inc., a clinical-stage biotechnology company, provides gene therapies that deliver functional genes to cells with genetic defects in the United States. Its gene therapy product candidates are based on NAV Technology Platform, a proprietary adeno-associated virus gene delivery platform. The company's products in pipeline includes ABBV-RGX-314 for the treatment of wet age-related macular degeneration, diabetic retinopathy, and other chronic retinal diseases; and RGX-202, which is in Phase I/II clinical trial for the treatment of Duchenne muscular dystrophy. It also develops RGX-121 for the treatment of mucopolysaccharidosis type II that is in Phase III clinical trial; RGX-111 for treating mucopolysaccharidosis type I; RGX-181 for the treatment of late infantile neuronal ceroid lipofuscinosis type II; and RGX-381 to treat the ocular manifestations of CLN2 disease. In addition, the company licenses its NAV Technology Platform to other biotechnology and pharmaceutical companies. Further, it has a collaboration and license agreement with AbbVie Global Enterprises Ltd. to develop ABBV-RGX-314 outside the United States. REGENXBIO Inc. was incorporated in 2008 and is headquartered in Rockville, Maryland.

Passage Bio, Inc., a genetic medicines company, develops gene therapies for central nervous system diseases. It develops PBGM01, a functional GLB1 gene encoding ß-galactosidase for infantile GM1; PBFT02, a functional granulin (GRN) and gene encoding progranulin (PGRN) for the treatment of FTD caused by progranulin deficiency; and PBKR03, a functional GALC gene encoding the hydrolytic enzyme galactosylceramidase for infantile Krabbe disease. The company develops PBML04 for the treatment of metachromatic leukodystrophy; PBAL05 for the treatment of amyotrophic lateral sclerosis; and other program for huntington's disease. It has a strategic research collaboration with the Trustees of the University of Pennsylvania's Gene Therapy Program; and collaboration agreement, and a development services and clinical supply agreement with Catalent Maryland, Inc. Passage Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.

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.

Ovid Therapeutics Inc., a biopharmaceutical company, engages in the development of impactful medicines for patients and families with epilepsies and seizure-related neurological disorders in the United States. The company is developing soticlestat, a novel cholesterol 24 hydroxylase inhibitor, which is in Phase 3 clinical trials for the potential treatment of patients with resistant epilepsies; OV329, a GABA aminotransferase inhibitor which is in Phase 1 clinical trials for the treatment of seizures associated with tuberous sclerosis complex and infantile spasms; and OV350, a small molecule direct activator of the KCC2 transporter, which is in Phase 1 clinical trials for treating epilepsies. It also develops OV815, that focuses on the mutations associated with KIF1A-associated neurological disorder (KAND); OV888 (GV101), a highly selective rock2 inhibitor which is in Phase 1 double-blind multiple-ascending dose trial; OV825, has advanced to potential candidate lead identification for the rare neurodevelopmental condition HNRNPH2 (Bain Syndrome); and OV882, a short hairpin RNA gene therapy for the treatment of Angelman syndrome. The company has license and collaboration agreements with Healx, AstraZeneca AB, H. Lundbeck A/S, Northwestern University, and Graviton, as well as Marinus Pharmaceuticals, Inc. The company was incorporated in 2014 and is headquartered in New York, New York.

Synaptogenix, Inc. operates as a clinical-stage biopharmaceutical company. It is conducting clinical and preclinical studies of its lead therapeutic candidate, Bryostatin-1, in Alzheimer's disease. Its preclinical studies have also demonstrated bryostatin's regenerative mechanisms of action for the rare disease Fragile X syndrome, and for other neurodegenerative disorders, such as multiple sclerosis, stroke, and traumatic brain injury. The U.S. Food and Drug Administration has granted Orphan Drug Designation to Synaptogenix for Bryostatin-1 as a treatment for Fragile X syndrome. The company was incorporated in 2012 and is headquartered in New York, New York.

NeuBase Therapeutics, Inc., a preclinical-stage biopharmaceutical company, focuses on the development of therapies to treat rare genetic diseases and cancers caused by mutant genes. The company's proprietary modular peptide-nucleic acid antisense oligo (PATrOL) platform focuses on addressing Huntington's disease (HD) and myotonic dystrophy, as well as other genetic disorders, and cancer and oncology applications. Its pipeline includes NT0100 for Huntington's disease; NT0200 for myotonic dystrophy type 1; and NT0300 treatment targets the mutated KRAS gene. NeuBase Therapeutics, Inc. is headquartered in Pittsburgh, Pennsylvania.