PTC Therapeutics, Inc., a biopharmaceutical company, focuses on the discovery, development, and commercialization of medicines to patients with rare disorders in the United States and internationally. The company offers Translarna and Emflaza for the treatment of Duchenne muscular dystrophy; Upstaza to treat aromatic l-amino acid decarboxylas (AADC) deficiency, a central nervous system disorder; Tegsedi and Waylivra for the treatment of rare diseases; and Evrysdi to treat spinal muscular atrophy (SMA) in adults and children. Its development pipeline products include Sepiapterin for the treatment of phenylketonuria; PTC518 splicing platform, which is being developed for the treatment of Huntington's disease; and ferroptosis and inflammation platforms, including vatiquinone to treat Friedreich ataxia and utreloxastat for the treatment of amyotrophic lateral sclerosis. The company distributes its products through third-party distributors. It has collaborations with F. Hoffman-La Roche Ltd, Hoffman-La Roche Inc., the SMA Foundation, National Taiwan University, Akcea Therapeutics, Inc., and Shiratori Pharmaceutical Co., Ltd. The company has license and collaboration agreement with Novartis Pharmaceuticals Corporation to develop PTC518 Huntington's disease program. PTC Therapeutics, Inc. was incorporated in 1998 and is headquartered in South Plainfield, New Jersey.

Krystal Biotech, Inc., a commercial-stage biotechnology company, discovers, develops, and commercializes genetic medicines for patients with rare diseases in the United States. It commercializes VYJUVEK (beremagene geperpavec-svdt, or B-VEC) for the treatment of dystrophic epidermolysis bullosa (DEB). The company also develops KB105, which is in Phase 1/2 clinical trials for treating patients with deficient autosomal recessive congenital ichthyosis; KB104 for treating netherton syndrome; KB407 that is in Phase 1 clinical trials for treating cystic fibrosis; KB707 that is in Phase 1 clinical trials for the treatment of anti-PD-1 relapsed/refractory; KB408, which is in Phase 1 clinical trials for treating Alpha-1 antitrypsin deficiency; and KB301 that is in Phase 2 clinical trials for treating aesthetic skin conditions, as well as in open label study with ophthalmic B-VEC for treating for ocular complications of deb. Krystal Biotech, Inc. was founded in 2016 and is headquartered in Pittsburgh, Pennsylvania.

Amicus Therapeutics, Inc., a biotechnology company, focuses on discovering, developing, and delivering medicines for rare diseases. Its commercial product and product candidates include Galafold, an oral precision medicine for the treatment of adults with a confirmed diagnosis of Fabry disease and an amenable galactosidase alpha gene variant; and Pombiliti + Opfolda, for the treatment of late onset. It has collaboration and license agreements with the University of Pennsylvania to research and develop parvovirus gene therapy products; and GlaxoSmithKline. Amicus Therapeutics, Inc. was incorporated in 2002 and is headquartered in Princeton, New Jersey.

Beam Therapeutics Inc., a biotechnology company, engages in the development of precision genetic medicines for patients suffering from serious diseases in the United States. It develops BEAM-101 for the treatment of sickle cell disease or beta-thalassemia; and BEAM-302, a liver-targeting LNP formulation to treat severe alpha-1 antitrypsin deficiency; BEAM-201, an anti-CD7 CAR-T product candidate, which is in Phase 1/2 clinical trials for the treatment of refractory T-cell acute lymphoblastic leukemia/T cell lymphoblastic lymphoma; and BEAM-301, a liver-targeting LNP formulation for the treatment of glycogen storage disease 1a. The company has research collaboration agreement with Pfizer Inc., focus on in vivo base editing programs for targets rare genetic diseases of the liver, muscle, and central nervous system; Apellis Pharmaceuticals to conduct preclinical research on target specific genes within the complement system in various organs, including the eye, liver, and brain; Verve Therapeutics, Inc., for cardiovascular disease treatments; Sana Biotechnology, Inc., to research, develop, and commercialize rights to CRISPR Cas12b for cell therapy programs; and Orbital Therapeutics design RNA for the prevention, treatment or diagnosis of human disease. Beam Therapeutics Inc. was incorporated in 2017 and is based in Cambridge, Massachusetts.

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.

Protara Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in advancing transformative therapies for the treatment of cancer and rare diseases. The company's lead program is TARA-002, an investigational cell therapy, which is in Phase II clinical trial for the treatment of non-muscle invasive bladder cancer and lymphatic malformations. It is also developing intravenous choline chloride, an investigational phospholipid substrate replacement therapy that is in Phase II clinical trial for patients receiving parenteral nutrition. The company is headquartered in New York, New York.

Century Therapeutics, Inc., a biotechnology company, engages in the development of genetically engineered allogeneic cell therapies for the treatment of solid tumor and hematological malignancies. Its lead product candidate is CNTY-101, an allogeneic, induced pluripotent stem cells (iPSCs)-derived chimeric antigen receptors (CAR)-iNK cell therapy, under Phase 1 trials targeting CD19 for relapsed, refractory B-cell lymphoma. The company is also involved in the development of CNTY-102, a bi-specific CD19 + CD22 CAR-iT product candidate for relapsed, refractory B-cell lymphoma and other B-cell malignancies; and CNTY-107, a Nectin-4 CAR-iT targeted product candidate for Nectin-4 positive solid tumors. In addition, it has a strategic collaboration with Bristol-Myers Squibb Company to develop and commercialize up to four iNK or iT programs, including CNTY-104, a multi-specific collaboration program targeting acute myeloid leukemia; and CNTY-106, a multi-specific collaboration program for multiple myeloma. The company was incorporated in 2018 and is headquartered in Philadelphia, Pennsylvania.

Aprea Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing novel synthetic lethality-based cancer therapeutics that targets DNA damage response pathways. Its lead product candidate is the ATRN-119 that is in Phase I clinical trials for treating advanced solid tumors. The company is also developing ATRN-1051 for the treatment of ovarian cancer; and APRE-DDRi for the treatment of advanced solid tumors. The company is headquartered in Doylestown, Pennsylvania.