Iteos Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the discovery and development of immuno-oncology therapeutics for patients with cancer. The company's lead antibody product candidate, belrestotug, an antagonist of TIGIT or T-cell immunoreceptor with Ig and ITIM domains, which is in Phase 1b clinical trial, as well as used to engage the Fc gamma receptor, or Fc?R to activate dendritic cells, natural killer cells, and macrophages and to promote antibody-dependent cellular cytotoxicity, or ADCC activity. Its product pipeline also includes inupadenant, a next-generation A2AR antagonists that is in Phase 1/2a clinical trials to overcome the specific adenosine-mediated immunosuppression found in tumor microenvironment; and EOS-984, a small molecule targeting equilibrative nucleoside transporter 1 (ENT1) to inhibit the immunosuppressive activity of adenosine and restore immune cell proliferation is in Phase 1 clinical trials. Iteos Therapeutics, Inc. was founded in 2011 and is headquartered in Watertown, Massachusetts.

Checkpoint Therapeutics, Inc., a clinical-stage immunotherapy and targeted oncology company, focuses on the acquisition, development, and commercialization of novel treatments for patients with solid tumor cancers in the United States and internationally. The company's lead antibody product candidate is Cosibelimab, which is in Phase 1 clinical trial to treat patients with selected recurrent or metastatic cancers; and CK-302, a product candidate in preclinical trials for hematological malignancies and solid tumors. It is developing Olafertinib, which is in Phase 3 clinical trials for the treatment of adult patients with metastatic non-small cell lung cancer; CK-103 for the treatment of various advanced and metastatic solid tumor cancers; and Anti-Carbonic Anhydrase IX (CAIX) antibody, a product candidate in preclinical trials to recognize CAIX expressing cells and kill them via antibody-dependent cellular cytotoxicity and complement-dependent cytotoxicity. The company has licensing and collaboration agreements with Adimab, LLC for the development of Cosibelimab; NeuPharma, Inc., to develop and commercialize Olafertinib; and Jubilant Biosys Limited for the development and commercialization of novel compounds that inhibit BET bromodomains, as well as collaboration with GC Cell. The company was incorporated in 2014 and is based in Waltham, Massachusetts. Checkpoint Therapeutics, Inc. is a subsidiary of Fortress Biotech, Inc.

Sutro Biopharma, Inc. operates as a clinical-stage oncology company. The company develops site-specific and novel-format antibody drug conjugates (ADCs) that enables its proprietary integrated cell-free protein synthesis platform, XpressCF and XpressCF+. Its product candidates include STRO-002, an ADC directed against folate receptor-alpha, which is in Phase II/III clinical trials for patients with ovarian and endometrial cancers; VAX-24 and Vax-31 pneumococcal conjugate vaccine candidates that is in Phase II/III clinical trials for the treatment of invasive pneumococcal disease; and MK-1484, a distinct cytokine derivative molecule that is in Phase I clinical study for the treatment of cancer. The company's pre-clinical product candidates include STRO-003, an ADC directed against an anti-receptor tyrosine kinase-like orphan receptor 1 (ROR1) for the treatment of solid tumors and hematological cancers; and STRO-004, a tissue factor (TF) targeting ADC for the treatment of TF-expressing solid tumors, including cervical, lung, and breast cancer. Sutro Biopharma, Inc. has collaboration and license agreements with Merck Sharp & Dohme Corporation to develop research programs focusing on cytokine derivatives for cancer and autoimmune disorders; Vaxcyte to discover and develop vaccine candidates for the treatment or prophylaxis of infectious diseases; Tasly Biopharmaceuticals Co., Ltd. to develop and commercialize STRO-002 in Greater China; EMD Serono to develop ADCs for multiple cancer targets; and Astellas Pharma Inc. to develop immunostimulatory ADC. The company was formerly known as Fundamental Applied Biology, Inc. Sutro Biopharma, Inc. was incorporated in 2003 and is headquartered in South San Francisco, California.

Adaptimmune Therapeutics plc, a clinical-stage biopharmaceutical company, provides novel cell therapies primarily to cancer patients in the United States and the United Kingdom. It develops SPEARHEAD-1 that is in phase II clinical trials with ADP-A2M4 for synovial sarcoma; SURPASS-3 that is in phase II clinical trial with ADP-A2M4CD8 for people with platinum resistant ovarian cancer; and SURPASS that is in phase I clinical trials in patients with head and neck, and urothelial cancers. The company has strategic collaboration and license agreement with Genentech, Inc. and F. Hoffman-La Roche Ltd to develop personalized allogeneic and allogeneic T-cell therapies; research, collaboration, and license agreement with Universal Cells, Inc.; third-party collaborations with Noile-Immune and Alpine Immune Sciences; and strategic alliance agreement with the MD Anderson Cancer Center. Adaptimmune Therapeutics plc was founded in 2008 and is headquartered in Abingdon, the United Kingdom.

Acrivon Therapeutics, Inc., a clinical stage biopharmaceutical company, engages in developing oncology medicines for the patients whose tumors are predicted to be sensitive to each specific medicine by utilizing its proteomics-based patient responder identification platform. The company's Acrivon Predictive Precision Proteomics, a precision medicine platform enables the creation of drug specific proprietary OncoSignature companion diagnostics that are used to identify the patients to benefit from its drug candidates. Its lead clinical candidate is ACR-368, a selective small molecule inhibitor targeting CHK1 and CHK2, which is in Phase II clinical trial across various tumor types, including platinum-resistant ovarian, endometrial, and bladder cancer. The company is also developing its preclinical stage pipeline programs targeting critical nodes in the DNA damage response, or DDR, pathways; and ACR-2316, a dual WEE1/PKMYT1 inhibitor. Acrivon Therapeutics, Inc. was incorporated in 2018 and is based in Watertown, Massachusetts.

Turnstone Biologics Corp., a clinical stage biotechnology company, focuses on developing medicines to treat and cure patients with solid tumors. The company's lead product includes TIDAL-01 that is in Phase 1 clinical trials for the treatment of breast cancer, colorectal cancer, head and neck cancer and uveal melanoma, as well as an investigator sponsored trials to treat colorectal cancer, head and neck cancer, and cutaneous and non-cutaneous melanomas. It is also developing TIDAL-02, which is in preclinical development for the treatment of solid tumors. The company was founded in 2014 and is based in LA Jolla, California.

Allarity Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in developing oncology therapeutics using drug-specific companion diagnostics generated by its drug response predictor technology. Its drug candidates include Stenoparib, a poly-ADP-ribose polymerase inhibitor that is in Phase 2 clinical trials for ovarian cancer; Dovitinib, a pan- tyrosine kinase inhibitor for the treatment of renal cell carcinoma; IXEMPRA (ixabepilone), a selective microtubule inhibitor in phase 2 for the treatment of metastatic breast cancer; LiPlaCis, a liposomal formulation of cisplatin, which is in Phase 2 clinical trials for metastatic breast cancer; and 2X-111, a liposomal formulation of doxorubicin that is in Phase 2 clinical trials for metastatic breast cancer and glioblastoma multiforme. Allarity Therapeutics, Inc. has a collaboration with Detsamma Investments Pty. Ltd. to develop Deflexifol for the treatment of solid tumors. The company was incorporated in 2004 and is headquartered in Boston, Massachusetts.

Onconova Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on discovering and developing novel products to treat cancer in the United States. It has two clinical-stage programs, including narazaciclib, a multi-targeted kinase inhibitor that is in Phase I study for solid tumors, as well as hematological malignancies as a single agent or in combination with other anti-cancer therapies; and oral rigosertib alone or in combination with PD-1 inhibitor, which is in Phase I/IIa study for the treatment of progressive K-Ras mutated non-small cell lung cancer. The company also conducting a Phase II investigator-initiated study with rigosertib monotherapy in patients with advanced/metastatic squamous cell carcinoma associated with recessive dystrophic epidermolysis bullosa. It has a license and collaboration agreement with HanX Biopharmaceuticals, Inc. for the development, registration, and commercialization of narazaciclib in China. Onconova Therapeutics, Inc. was incorporated in 1998 and is headquartered in Newtown, Pennsylvania.