Seres Therapeutics, Inc., a microbiome therapeutics company, develop microbiome therapeutics to treat the modulation of the colonic microbiome. It develops a novel class of biological drugs that are designed to treat by modulating the microbiome to restore health by repairing the function of a disrupted microbiome to a non-disease state. The company's lead product candidate is VOWST, an oral microbiome therapeutic that has completed Phase III clinical trial for the treatment of recurrent Clostridioides difficile infection. Its product pipeline also includes SER-155, an investigational oral fermented microbiome therapeutic which is in Phase 1b clinical trials for the treatment of gastrointestinal infections, bacteremia, and graft versus host disease in immunocompromised patients including patients receiving allogeneic hematopoietic stem cell transplantation. In addition, the company engages in the development of SER-287 which is in Phase 2b and SER-301 that is in Phase 1b to treat ulcerative colitis. Further, it has license Agreement with NHSc Rx License GmbH for the therapeutic products based on the microbiome technology, which includes VOWST product candidate, which is developed for the treatment of CDI and recurrent CDI; and collaboration license agreement with Société des Produits Nestlé S.A. (Nestlé) for the development and commercialization of certain product candidates for the treatment and management of CDI and inflammatory bowel disease including UC and Crohn's disease. The company was formerly known as Seres Health, Inc. and changed its name to Seres Therapeutics, Inc. in May 2015. Seres Therapeutics, Inc. was incorporated in 2010 and is headquartered in Cambridge, Massachusetts.

Foghorn Therapeutics Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of medicines targeting genetically determined dependencies within the chromatin regulatory system in the United States. The company uses its proprietary Gene Traffic Control platform to identify, validate, and potentially drug targets within the system. It develops FHD-286, a small molecule inhibitor of the enzymatic activity of BRG1 and BRM that is in phase I for the treatment of relapsed and/or refractory acute myeloid leukemia/myelodysplastic syndrome. The company is also developing therapies for mutant cancers, such as Non-Small Cell Lung, bladder, endometrial, colorectal, and melanoma cancers; and dependent cancers, including prostate cancer and diffuse large b-cell lymphoma. It has a research collaboration and license agreement with Merck Sharp & Dohme Corp. to discover and develop novel oncology therapeutics against a transcription factor target; and Eli Lilly and Company for developing FHD-909, a selective ATPase inhibitor of BRM. Foghorn Therapeutics Inc. was incorporated in 2015 and is headquartered 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.

Synlogic, Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of synthetic biotics to treat metabolic diseases in the United States. Its pipeline include SYNB1618, an orally administered, non-systemically absorbed drug candidate to treat phenylketonuria; SYNB1934, an orally administered, non-systemically absorbed drug candidate, which is in Phase III clinical trial to treat phenylketonuria; SYNB1353, an orally administered, non-systemically absorbed drug candidate, which is in Phase I clinical to treat homocystinuria; SYNB8802, an orally administered, non-systemically absorbed drug candidate that is in Phase II clinical trial for the treatment of enteric hyperoxaluria; and SYNB2081 to lower uric acid for the potential treatment of gout. The company has a collaboration agreement with F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc. for the research and pre-clinical development of a synthetic biotic medicine for the treatment of inflammatory bowel disease; and Ginkgo Bioworks, Inc. Synlogic, Inc. is based in Cambridge, Massachusetts.

Entero Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the development of targeted and orally delivered therapies for the treatment of patients with gastrointestinal diseases. The company's pipeline candidates include latiglutenase, a targeted oral biotherapeutic for celiac disease designed to breakdown gluten into non-immunogenic peptides, currently under Phase 2 studies; and capeserod, a selective 5-HT4 receptor partial agonist under Phase 1 studies for the treatment of gastroparesis. It is also involved in the development of adrulipase, a recombinant lipase enzyme designed to enable the digestion of fats and other nutrients, currently under Phase 2 studies for the treatment of exocrine pancreatic insufficiency in patients with cystic fibrosis and chronic pancreatitis; and niclosamide, an oral small molecule with anti-inflammatory inhibitor therapy, currently under Phase 2 studies for the treatment of ulcerative proctitis and ulcerative proctosigmoiditis, as well as immune checkpoint inhibitor-associated colitis and diarrhea in metastatic cancer patients. The company was formerly known as First Wave BioPharma, Inc. and changed its name to Entero Therapeutics, Inc. in May 2024. Entero Therapeutics, Inc. was incorporated in 2014 and is based in Boca Raton, Florida.

Palisade Bio, Inc., a clinical-stage biopharmaceutical company, focuses on focuses on developing therapeutics that protect the integrity of the intestinal barrier in the United States. The company's lead therapeutic candidate is PALI-2108, a prodrug PDE4 inhibitor, currently under pre-clinical development as a therapeutic for patients living with inflammatory bowel diseases, including ulcerative colitis and Crohn's disease (CD), as well as develops PALI-1908, an oral, selective PDE4 inhibitor prodrug that is locally bioactivated in the terminal ileum of CD patients, currently in the research stage. It has a research collaboration and license agreement with Giiant Pharma, Inc. for the development, manufacture, and commercialization of its compounds; a license agreement with the Regents of the University of California; a co-development and distribution agreement with Newsoara Biopharma Co., Ltd; and a transformative strategic collaboration with Strand Life Sciences for advancing precision medicine for ulcerative colitis therapy. The company is based in Carlsbad, California.

Morphic Holding, Inc., a biopharmaceutical company, discovers and develops oral small-molecule integrin therapeutics for the treatment of autoimmune, cardiovascular, and metabolic diseases, as well as fibrosis and cancer. Its lead product candidate MORF-057, an a4ß7-specific integrin inhibitor affecting inflammation is in Phase 2 clinical trials for the treatment of inflammatory bowel disease. The company's products in pipeline include Next Gen a4ß7 Inhibitors for additional potential GI indications, such as EGIDs, pouchitis, etc.; avß8 for the treatment of Myelofibrosis and solid tumor; and fibronectin integrin for pulmonary hypertensive. In addition, it has a license agreement with Janssen to discover and develop novel integrin therapeutics; collaboration agreement with Schrödinger for integrin targets; and license agreement with Children's Medical Center Corporation to develop and commercialize products worldwide for any therapeutic or diagnostic use in humans and veterinary applications. Morphic Holding, Inc. was incorporated in 2014 and is headquartered in Waltham, Massachusetts.

Landos Biopharma, Inc., a clinical-stage biopharmaceutical company, discovers and develops oral therapeutics for patients with autoimmune diseases. Its lead product candidate is NX-13, an oral gut-selective Nucleotide Oligomerization Domain (NLRX1), a mitochondria-associated receptor associated with the modulation of inflammatory cytokines that is in Phase 2 clinical trial to treat ulcerative colitis (UC) and completed Phase 1 to treat Crohn's disease (CD). The company's preclinical candidates in development include LABP-73, an oral and small molecule NLRX1 pathway agonist for the treatment of asthma and eosinophilic disorders; LABP-66 is an oral and small molecule NLRX1 pathway agonist for the treatment of multiple sclerosis and neurodegenerative disorders; and LABP-69, an oral PLXDC2 agonist for the treatment of rheumatoid arthritis, UC, and CD. The company has a license and collaboration agreement with LianBio Respiratory Limited to develop, manufacture, and commercialize omilancor and NX-13. Landos Biopharma, Inc. was incorporated in 2017 and is headquartered in Blacksburg, Virginia.