Spyre Therapeutics, Inc., a preclinical stage biotechnology company, focuses on developing therapeutics for patients living with inflammatory bowel disease (IBD). It develops SPY001, a human monoclonal immunoglobulin G1 antibody designed to bind selectively to the a4ß7 integrin being developed for the treatment of IBD (ulcerative colitis and Crohn's disease). The company is also developing SPY002, a human monoclonal antibody (mAb)candidates designed to bind to tumor necrosis factor-like ligand 1A; and SPY120, a combination of SPY001 (anti-a4ß7) and SPY002 (anti-TL1A) antibodies, which are in preclinical studies. In addition, its other early-stage programs include SPY003, an anti-IL-23 mAb; SPY004, a novel mechanism of action (MOA) mAb; SPY130, a combination of anti-a4ß7 and anti-IL-23 mAbs; and SPY230, a combination of anti-TL1A and anti-IL-23 mAbs. The company was formerly known as Aeglea BioTherapeutics, Inc. and changed its name to Spyre Therapeutics, Inc. in November 2023. Spyre Therapeutics, Inc. was incorporated in 2013 and is based in Waltham, Massachusetts.

Immunic, Inc., a biotechnology company, develops a pipeline of selective oral immunology therapies for the treatment of chronic inflammatory and autoimmune diseases in the United States and Germany. Its lead development program is IMU-838, which is in Phase 3 clinical trial, for treatment of multiple sclerosis, including relapsing and progressive multiple sclerosis; and moderate-to-severe ulcerative colitis. The company is also developing IMU-856, which is entering Phase 2 clinical trial, for the restoration of the intestinal barrier function in patients suffering from gastrointestinal diseases, such as celiac disease, inflammatory bowel disease, short bowel syndrome, irritable bowel syndrome with diarrhea, and other intestinal barrier function diseases; and IMU-381, which is in preclinical trial, for the treatment of gastrointestinal diseases. Immunic, Inc. was founded in 2016 and is headquartered in New York, New York.

Aptorum Group Limited, through its subsidiaries, operates as a clinical stage biopharmaceutical company that engages in the discovery, development, and commercialization of therapeutic products for the treatment of oncology and infectious diseases. The company operates in the Therapeutics and Non-Therapeutics segments. Its pipeline products include SACT- 1 for neuroblastoma and other cancer types; SACT-COV19 for the treatment of coronavirus disease; ALS-4 to treat bacterial infections caused by staphylococcus aureus, including MRSA; ALS-1 to treat viral infections caused by influenza virus A; and ALS-2/3 for the treatment of gram+ve bacterial infections. The company is also developing RPIDD, a pathogen molecular diagnostic; NativusWell DOI (NLS-2), a dietary supplement; NLS-1 for the treatment of endometriosis; DLS-1+2 to treat NSCLC with mutation; DLS-3, an autoimmune small molecule; and CLS-1 for the treatment of obesity. Its pipeline products enable the discovery of new therapeutics assets, such as systematic screening of existing approved drug molecules, and microbiome-based research platforms for treatment of metabolic diseases. The company also focuses on therapeutic and diagnostic projects in neurology, gastroenterology, metabolic disorders, and other disease areas. In addition, it is involved in the operation of medical clinics. The company was formerly known as APTUS Holdings Limited and changed its name to Aptorum Group Limited in October 2017. Aptorum Group Limited was incorporated in 2010 and is headquartered in London, the United Kingdom.

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.

Finch Therapeutics Group, Inc., a clinical-stage microbiome therapeutics company, develops a novel class of orally administered biological drugs in the United States. The company develops FIN-211, a microbiome candidate designed to address the gastrointestinal and behavioral symptoms of autism spectrum disorder; and FIN-524 for the prevention, diagnosis, theragnosis or treatment of diseases in humans, including ulcerative colitis; FIN-525 for the treatment of Crohn's disease; and other microbiome product candidates. The company has collaboration and license agreements with Takeda Pharmaceutical Company Limited; and license agreements with Skysong Innovations LLC, OpenBiome, Arizona State University, and University of Minnesota. Finch Therapeutics Group, Inc. was incorporated in 2014 and is based in Boston, Massachusetts.

Theriva Biologics, Inc., a clinical-stage company, develops therapeutics to treat cancer and related diseases in areas of high unmet need in the United States. The company's lead product candidate is VCN-01, a clinical stage oncolytic human adenovirus that is in a Phase 2 clinical study for the treatment of pancreatic cancer; a Phase 1 clinical study for the treatment of retinalblastoma; a Phase 1 clinical study for the treatment of head and neck squamous cell carcinoma; and a Phase 1 clinical study for the treatment of solid tumors. It also develops VCN-11 for treating solid tumors; SYN-004 designed to degrade various commonly used intravenous beta-lactam antibiotics in gastrointestinal (GI) tract for the prevention of microbiome damage to prevent overgrowth and infection by pathogenic organisms, such Clostridioides difficile infection and vancomycin resistant Enterococci, and reducing the incidence and severity of acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant recipients; and SYN-020, a recombinant oral formulation for the enzyme intestinal alkaline phosphatase to treat both local GI and systemic diseases. In addition, the company develops clinical stage products, such as SYN-006 to prevent aGVHD and infection by carbapenem resistant enterococci; and SYN-007 for preventing antibiotic associated diarrhea with oral ß-lactam antibiotics. It has collaboration agreements with The University of Texas at Austin, Catalan Institute of Oncology, Fundació Privada Institut d'Investigacio Biomedica de Bellvitge, Saint Joan De Déu, and Massachusetts General Hospital, as well as a clinical trial agreement with Washington University School of Medicine in St. Louis to conduct a Phase 1b/2a clinical trial of SYN-004. Theriva Biologics, Inc. is headquartered in Rockville, Maryland.

First Wave BioPharma, Inc., a clinical-stage biopharmaceutical company, engages in the research and development of targeted and non-systemic therapies for the treatment of patients with gastrointestinal diseases. Its product candidates include latiglutenase, a targeted oral biotherapeutic for celiac disease designed to breakdown gluten into non-immunogenic peptides; biologic adrulipase, a recombinant lipase enzyme designed to enable the digestion of fats and other nutrients; capeserod, a selective 5-HT4 receptor partial agonist to treat gastroparesis; and niclosamide, an oral small molecule with anti-inflammatory properties for patients with inflammatory bowel diseases, such as ulcerative colitis and Crohn's disease. It is also developing CypCel, a disease management tool for monitoring the intestinal health of recovering celiac disease patients. The company was formerly known as AzurRx BioPharma, Inc. and changed its name to First Wave BioPharma, Inc. in September 2021. First Wave BioPharma, Inc. was incorporated in 2014 and is headquartered in Boca Raton, Florida.

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.