Sarepta Therapeutics, Inc., a commercial-stage biopharmaceutical company, focuses on the discovery and development of RNA-targeted therapeutics, gene therapies, and other genetic therapeutic modalities for the treatment of rare diseases. It offers EXONDYS 51 injection to treat duchenne muscular dystrophy (duchenne) in patients with confirmed mutation of the dystrophin gene that is amenable to exon 51 skipping; VYONDYS 53 for the treatment of duchenne in patients with confirmed mutation of the dystrophin gene that is amenable to exon 53 skipping; AMONDYS 45 for the treatment of duchenne in patients with confirmed mutation of the dystrophin gene; and ELEVIDYS, an adeno-associated virus based gene therapy for the treatment of ambulatory pediatric patients aged 4 through 5 years with duchenne with a confirmed mutation in the duchenne gene. The company is also developing SRP-5051, a peptide conjugated PMO that binds exon 51 of dystrophin pre-mRNA; and SRP-9003, a limb-girdle muscular dystrophies gene therapy program. It has collaboration and license agreements with F. Hoffman-La Roche Ltd; Nationwide Children's Hospital; Genevant Sciences; University of Florida; Dyno Therapeutics; Hansa Biopharma; Duke University; Genethon; and StrideBio. The company was incorporated in 1980 and is headquartered in Cambridge, Massachusetts.

Abeona Therapeutics Inc., a clinical-stage biopharmaceutical company, develops gene and cell therapies for life-threatening diseases. Its lead clinical program is EB-101, an autologous, engineered cell therapy that is in Phase III clinical trial for recessive dystrophic epidermolysis bullosa. The company develops ABO-503 for the treatment of X-linked retinoschisis; ABO-504 for the treatment of stargardt disease; and ABO-505 for the treatment of autosomal dominant optic atrophy. In addition, it is developing AAV-based gene therapy through its AIM vector platform programs. The company was formerly known as PlasmaTech Biopharmaceuticals, Inc. and changed its name to Abeona Therapeutics Inc. in June 2015. Abeona Therapeutics Inc. is headquartered in Cleveland, Ohio.

Fulcrum Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on developing products for improving the lives of patients with genetically defined diseases in the areas of high unmet medical need in the United States. Its product candidates are losmapimod, a small molecule for the treatment of facioscapulohumeral muscular dystrophy is under phase III clinical trial; and pociredir, a fetal hemoglobin inducer for the treatment of sickle cell disease and beta-thalassemia is under phase I clinical trial. The company is also discovering drug targets for the treatments of rare neuromuscular, muscular, central nervous system, and hematologic disorders, as well as cardiomyopathies and pulmonary diseases. It has collaboration and license agreement with Acceleron Pharma Inc. to identify biological targets to modulate specific pathways associated with a targeted indication within the pulmonary disease space; MyoKardia, Inc. to discover and develop therapies for the treatment of genetic cardiomyopathies; and Sanofi for the development and commercialization of losmapimod, an oral small molecule being investigated for the treatment of facioscapulohumeral muscular dystrophy. Fulcrum Therapeutics, Inc. was Incorporated in 2015 and is headquartered in Cambridge, Massachusetts.

Sangamo Therapeutics, Inc., a clinical-stage genomic medicine company, focuses on translating science into medicines that transform the lives of patients and families afflicted with serious diseases in the United States. The company's clinical-stage product candidates are ST-920, a gene therapy product candidate, which is in Phase 1/2 clinical study for the treatment of Fabry disease; TX200, a chimeric antigen receptor engineered regulatory T cell (CAR-Treg) therapy product candidate that is in Phase 1/2 clinical study for the prevention of immune-mediated rejection in HLA-A2 mismatched kidney transplantation; SB-525, a gene therapy product candidate, which is in Phase 3 clinical trial for the treatment of moderately severe to severe hemophilia A; BIVV003, a zinc finger nuclease gene-edited cell therapy product candidate that is in Phase 1/2 PRECIZN-1 clinical study for the treatment of sickle cell disease. Its preclinical development products focus on CAR-Treg cell therapies for autoimmune disorders and genome engineering for neurological diseases. Sangamo Therapeutics, Inc. has collaborative and strategic partnerships with Biogen MA, Inc.; Kite Pharma, Inc.; Pfizer Inc.; Sanofi S.A.; Novartis Institutes for BioMedical Research, Inc.; Shire International GmbH; Dow AgroSciences LLC; Sigma-Aldrich Corporation; Genentech, Inc.; Open Monoclonal Technology, Inc.; and California Institute for Regenerative Medicine. The company was formerly known as Sangamo BioSciences, Inc. and changed its name to Sangamo Therapeutics, Inc. in January 2017. Sangamo Therapeutics, Inc. was incorporated in 1995 and is headquartered in Richmond, California.

Solid Biosciences Inc., a life science company, develops therapies for neuromuscular and cardiac diseases in the United States. The company's lead product candidate is SGT-003, a gene transfer candidate for the treatment of Duchenne muscular dystrophy; and SGT-501 to treat Catecholaminergic polymorphic ventricular tachycardia. It is also developing AVB-401 for the treatment of BAG3-mediated dilated cardiomyopathy; SGT-601 to treat a rare cardiac disease characterized by mutations in the gene that codes for cardiac troponin T protein, which helps coordinate contraction of the heart muscle; SGT-701 for treatment of rare inherited disease characterized by mutations in the RBM20 gene, a cardiac splicing factor that regulates alternative splicing, and codes for RNA binding motif protein 20; and AVB-202-TT to treat Friedreich's ataxia, as well as other drugs for the treatment of cardiac and other diseases. In addition, the company is involved in developing platform technologies, including capsid libraries and dual gene expression, a technology for packaging multiple transgenes into one capsid. The company has collaboration and license agreement with Ultragenyx Pharmaceutical Inc. to develop and commercialize new gene therapies for Duchenne; and a license agreement with the University of Washington, University of Missouri, and University of Florida. Solid Biosciences Inc. was incorporated in 2013 and is headquartered in Charlestown, Massachusetts.

bluebird bio, Inc., a biotechnology company, researches, develops, and commercializes gene therapies for curative severe genetic diseases in the United States. The company's product candidates for severe genetic diseases include ZYNTEGLO (betibeglogene autotemcel) for the treatment of transfusion-dependent ß-thalassemia; lovotibeglogene autotemcel for the treatment of sickle cell disease (SCD); and SKYSONA (elivaldogene autotemcel) to treat cerebral adrenoleukodystrophy. Its clinical development programs include HGB-205, HGB-206, and HGB-210 to evaluate the safety and efficacy of lovo-cel in the treatment of patients with SCD; and HGB-204, HGB-205, HGB-207, and HGB-212 to evaluate the safety and efficacy of beti-cel in the treatment of patients with ß-thalassemia. The company was formerly known as Genetix Pharmaceuticals, Inc., and changed its name to bluebird bio, Inc. in September 2010. bluebird bio, Inc. was incorporated in 1992 and is headquartered in Somerville, 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.

AVROBIO, Inc., a clinical-stage gene therapy company, develops hematopoietic stem cell gene therapies to treat rare diseases in the United States. Its gene therapies employ hematopoietic stem cells that are harvested from the patient and then modified with a lentiviral vector to insert the equivalent of a functional copy of the gene that is mutated in the target disease. The company's pipeline includes AVR-RD-02, which is in phase 1/2 clinical trial for the treatment of Gaucher disease type 1 and 3; AVR-RD-01, which is in phase 2 clinical trials for the treatment of Fabry disease; and AVR-RD-03 that is in preclinical stage for the treatment of Pompe disease. The company was incorporated in 2015 and is headquartered in Cambridge, Massachusetts.