Compass Therapeutics LLC

BOSTON, Dec. 15, 2022 (GLOBE NEWSWIRE) -- Compass Therapeutics Inc. (Nasdaq: CMPX), a clinical-stage, oncology-focused biopharmaceutical company developing proprietary antibody-based therapeutics to treat multiple human diseases, today announced that updated results from the ongoing Phase 2 study of CTX-009 combined with paclitaxel in patients with biliary tract cancer (BTC) will be presented at a poster session of the 2023 American Society of Clinical Oncology Gastrointestinal Cancers Symposium (ASCO GI) taking place in San Francisco, CA January 19-21, 2023. Additional poster presentations by Compass include trials in progress posters for the ongoing Phase 2/3 study of CTX-009 combined with paclitaxel in patients with biliary tract cancers (BTC) and the ongoing Phase 2 study of CTX-009 in patients with metastatic colorectal cancer (CRC). Presentation Details Title: CTX-009 (ABL001), a bispecific antibody targeting DLL4 and VEGF A, in combination with paclitaxel in patients with advanced biliary tract cancer (BTC): A Phase 2 study. Abstract #: 540 Poster #: C10 First Author: Do-Youn Oh; Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea, Republic of (South) Title: Trial in progress: A phase 2/3 randomized, controlled study of CTX-009 in combination with paclitaxel versus paclitaxel alone in adult patients with unresectable advanced, metastatic or recurrent biliary tract cancers who have received one prior systemic chemotherapy regimen. Abstract #: TPS640 Poster #: P9 Authors: Marilyn Fontaine, Sarah Pilgrim, Thomas Schuetz, Compass Therapeutics Title: Trial in progress: A phase 2 study of CTX-009 in adult patients with metastatic colorectal cancer who have received two or three prior systemic chemotherapy regimens. Abstract #: TPS281 Poster #: Q3 Authors: Marilyn Fontaine, Sarah Pilgrim, Thomas Schuetz, Compass Therapeutics Following conference presentation, the posters will be available in the Pipeline section of About Compass Therapeutics Compass Therapeutics, Inc. is a clinical-stage, oncology-focused biopharmaceutical company developing proprietary antibody-based therapeutics to treat multiple human diseases. Compass’s scientific focus is on the relationship between angiogenesis, the immune system, and tumor growth. Compass’s pipeline of novel product candidates is designed to target multiple critical biological pathways required for an effective anti-tumor response. These include modulation of the microvasculature via angiogenesis-targeted agents, induction of a potent immune response via activators on effector cells in the tumor microenvironment, and alleviation of immunosuppressive mechanisms used by tumors to evade immune surveillance. Compass plans to advance its product candidates through clinical development as both standalone therapies and in combination with proprietary pipeline antibodies based on supportive clinical and nonclinical data. Compass was founded in 2014 and is headquartered in Boston, Massachusetts. For more information, visit the Compass Therapeutics, Inc. website at Forward-Looking Statements This press release contains forward-looking statements. Statements in this press release that are not purely historical are forward-looking statements. Such forward-looking statements include, among other things, statements regarding Compass’s product candidate, CTX-009, the development and regulatory plans with respect thereto and therapeutic potential thereof, planned interactions with regulatory authorities, and planned clinical development. Actual results could differ from those projected in any forward-looking statements due to numerous factors. Such factors include, among others, Compass’s ability to raise the additional funding it will need to continue to pursue its business and product development plans, the inherent uncertainties associated with developing product candidates and operating as a development stage company, Compass’s ability to identify additional product candidates for development, Compass’s ability to develop, complete clinical trials for, obtain approvals for and commercialize any of its product candidates, competition in the industry in which Compass operates and market conditions. These forward-looking statements are made as of the date of this press release, and Compass assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those projected in the forward-looking statements, except as required by law. Investors should consult all of the information set forth herein and should also refer to the risk factor disclosure set forth in the reports and other documents Compass files with the SEC available at including without limitation Compass’s latest Form 10-Q and subsequent filings with the SEC. Investor Contact Mario Corso, Investor Relations ir@compasstherapeutics.com Media Contact Anna Gifford, Communications Manager media@compasstherapeutics.com 617-500-8099

First patient dosed in Phase 1b study of CTX-471 in combination with KEYTRUDA® in cancers of the lung, head and neck, as well as melanoma In the first part of this Phase 1b study, CTX-471 was dosed as a monotherapy and demonstrated signs of activity in patients with various metastatic or locally advanced solid tumors who initially benefited from a checkpoint inhibitor The study is designed to evaluate the potential of CTX-471 in combination with KEYTRUDA® to address treatment resistance and improve patient outcomes CTX-471 is a fully human IgG4 agonistic antibody that binds to a unique epitope of the CD137 receptor that has a co-stimulatory effect on T-Cells and NK Cells, two important components of the innate immune system BOSTON, Dec. 01, 2022 (GLOBE NEWSWIRE) -- Compass Therapeutics, Inc. (“Compass”; Nasdaq: CMPX), a clinical-stage, oncology-focused biopharmaceutical company developing proprietary antibody-based therapeutics to treat multiple human diseases, today announced that the first patient has been dosed in the Phase 1b study of CTX-471 in combination with KEYTRUDA®, Merck’s anti-PD-1 therapy, in patients with advanced solid tumors. CTX-471 is supplied by Compass, which is also the sponsor of this study, and KEYTRUDA® will be supplied by Merck (known as MSD outside the United States and Canada) under a clinical collaboration and supply agreement between the companies. This study enrolls patients with metastatic or locally advanced non-small cell lung cancer, melanoma, small cell lung cancer, mesothelioma, and head and neck cancer that have progressed after treatment with a checkpoint inhibitor. Patients enrolled in the study will be treated with CTX-471 in combination with KEYTRUDA® with the goal of restoring response. “We are very pleased to be making progress on our CTX-471 clinical program with dosing of the first patient in the combination arm with KEYTRUDA®,” said Thomas Schuetz, M.D., Ph.D., Chief Executive Officer and Scientific Founder of Compass. “We are excited about the potential to build upon the responses observed with CTX-471 monotherapy across multiple tumor types and address significant unmet need in the field of cancer immunotherapy.” CTX-471 is a next generation, CD137 agonist, fully human, IgG4, with optimized affinity for an agonistic antibody. It binds to a unique, membrane proximal epitope of the CD137 receptor, leading to enhanced activation of T-Cells and NK Cells. CTX-471 has completed a Phase 1 dose escalation and cohort expansion study, where it was shown to be well-tolerated. The Phase 1b monotherapy study is fully enrolled and ongoing. In this study, CTX-471 has been evaluated as a monotherapy treatment in patients with advanced solid tumors who received at least one checkpoint inhibitor post progression. As of September 30, 2022, 4 partial responses (PRs) have been observed in the Phase 1b study and 3 of the 4 were confirmed by RECIST 1.1. ClinicalTrials.gov Identifier: NCT03881488 KEYTRUDA® is a registered trademark of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc., Rahway, NJ, USA. About Compass Therapeutics Compass Therapeutics, Inc. is a clinical-stage, oncology-focused biopharmaceutical company developing proprietary antibody-based therapeutics to treat multiple human diseases. Compass’s scientific focus is on the relationship between angiogenesis, the immune system, and tumor growth. Compass’s pipeline of novel product candidates is designed to target multiple critical biological pathways required for an effective anti-tumor response. These include modulation of the microvasculature via angiogenesis-targeted agents, induction of a potent immune response via activators on effector cells in the tumor microenvironment, and alleviation of immunosuppressive mechanisms used by tumors to evade immune surveillance. Compass plans to advance its product candidates through clinical development as both standalone therapies and in combination with proprietary pipeline antibodies based on supportive clinical and nonclinical data. Compass was founded in 2014 and is headquartered in Boston, Massachusetts. For more information, visit the Compass Therapeutics, Inc. website at Forward-Looking Statements This press release contains forward-looking statements. Statements in this press release that are not purely historical are forward-looking statements. Such forward-looking statements include, among other things, references to Compass’s product candidate, CTX-471, its development, regulatory plans with respect thereto and therapeutic potential thereof. Actual results could differ from those projected in any forward-looking statements due to numerous factors. Such factors include, among others, Compass’s ability to raise the additional funding it will need to continue to pursue its business and product development plans, the inherent uncertainties associated with developing product candidates and operating as a development stage company, Compass’s ability to identify additional product candidates for development, Compass’s ability to develop, complete clinical trials for, obtain approvals for and commercialize any of its product candidates, competition in the industry in which Compass operates and market conditions. These forward-looking statements are made as of the date of this press release, and Compass assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those projected in the forward-looking statements, except as required by law. Investors should consult all of the information set forth herein and should also refer to the risk factor disclosure set forth in the reports and other documents Compass files with the SEC available at including without limitation Compass’s latest Form 10-Q and subsequent filings with the SEC. Investor Contact Mario Corso, Investor Relations ir@compasstherapeutics.com Media Contact Anna Gifford, Communications Manager media@compasstherapeutics.com 617-500-8099

PD-1 and PD-L1 inhibitors clinical trial pipeline constitutes 180+ key companies continuously working towards developing 200+ PD-1 and PD-L1 inhibitors drugs, analyzes DelveInsight LAS VEGAS, Nov. 14, 2022 /PRNewswire/ -- DelveInsight's ' PD-1 and PD-L1 Inhibitors Competitive Landscape – 2022 ' report provides comprehensive global coverage of available, marketed, and pipeline PD-1 and PD-L1 inhibitors drugs in various stages of clinical development, major pharmaceutical companies are working to advance the pipeline space and future growth potential of the PD-1 and PD-L1 inhibitors competitive domain. Key Takeaways from the PD-1 and PD-L1 Inhibitors Pipeline Report Over 180+ PD-1 and PD-L1 inhibitors companies are evaluating 200+ PD-1 and PD-L1 inhibitors pipeline therapies in various stages of development, and their anticipated acceptance in the PD-1 and PD-L1 inhibitors market would significantly increase market revenue. Leading PD-1 and PD-L1 inhibitors companies such as Merck, Laekna Therapeutics, Genentech, Tracon Pharmaceuticals Inc., Celgene, MedImmune, Hangzhou Sumgen Biotech, Lepu Biopharma, Harbour BioMed, Curis, BeiGene, Apollomics, Agenus, Boehringer Ingelheim, Jounce Therapeutics, Seagen Inc., Ascletis Pharma Inc., Secarna Pharmaceuticals GmbH & Co. KG, Arbutus Biopharma, ABL bio, Macrogenics, AnaptysBio, Avacta, Regeneron Pharmaceuticals, Genor Biopharma Co. Ltd, Genmab, RemeGen, Alphamab, OxSonics therapeutics, Light Chain Bioscience, ImmuneOnco Biopharma, Alpine Immune Sciences, Shanghai Henlius Biotech, Inc., Ocean Biomedical, Akeso Biopharma, Lyvgen Biopharma, Prestige Biopharma, ONO PHARMACEUTICAL CO., LTD., Innovent Biologics, QLSF Biotherapeutics Inc., Servier, Zai Lab, EQRx, Bright Peak Therapeutics, Compass Therapeutics, Inc., Y-Biologics, Shattuck Labs, Beijing Biocytogen, Transcenta Holding, KLUS Pharma Inc., Synermore Biologics, F-Star Therapeutics Inc., Alphamab Oncology, Betta Pharmaceuticals Co., Ltd., Bolt Biotherapeutics, Medicenna Therapeutics, Celldex Therapeutics Inc., TCR² Therapeutics, Transcenta Holding, Merus, SystImmune Inc., TG Therapeutics, Elpiscience, Numab, Janux Therapeutics, Adagene, Molecular Templates, Inc., ImmuneOncia, and others are evaluating novel PD-1 and PD-L1 inhibitors drug candidates to improve the treatment landscape. Key PD-1 and PD-L1 inhibitors pipeline therapies in various stages of development include Envafolimab, Keytruda, FAZ053, TECENTRIQ, Durvalumab, SG 12473, LP 002, HBM 9027, CA 170, Tislelizumab, Geptanolimab, and others. In October 2022, ChemoCentryx, Inc. announced two upcoming poster presentations for CCX559, the Company's investigational, highly potent, orally administered PD-L1 checkpoint inhibitor, at the Society for Immunotherapy of Cancer (SITC) 37th Annual Meeting, which will be held November 8-12, 2022, in Boston, MA. In October 2022, Compugen Ltd., a clinical-stage cancer immunotherapy company and a pioneer in computational target discovery, announced that it will present new clinical data from its COM701/nivolumab with or without BMS-986207 combination studies in patients with platinum-resistant ovarian cancer, as well as data from the COM701 with or without nivolumab study in patients with metastatic NSCLC, as poster presentations at the European Society of Medical Oncology Immuno-Oncology (ESMO-IO) congress taking place between December 7-9, 2022, in Geneva, Switzerland. In October 2022, Imjudo (tremelimumab) from AstraZeneca was approved in the United States in combination with Imfinzi (durvalumab) for the treatment of adult patients with unresectable hepatocellular carcinoma (HCC), the most common type of liver cancer. In October 2022, GSK announced positive top-line results from the PERLA phase II trial, which met its primary endpoint of objective response rate (ORR) by Response Evaluation Criteria in Solid Tumors (RECIST) criteria as determined by blinded independent central review. In September 2022, Merck announced that KEYTRUDA, Merck's anti-PD-1 therapy, received four new approvals from Japan's Ministry of Health, Labor, and Welfare (MHLW). In July 2022, TRACON Pharmaceuticals, Inc. announced the enrollment of the 36^th patient in the ENVASARC pivotal trial at the 600 mg dose of envafolimab, which enables the initial independent data monitoring committee (IDMC) interim efficacy analysis to proceed. The interim analysis is expected to occur in the fourth quarter of this year. In January 2022, Merck announced that the European Commission had approved KEYTRUDA as monotherapy for the adjuvant treatment of adults with renal cell carcinoma (RCC) at increased risk of recurrence following nephrectomy or following nephrectomy and resection of metastatic lesions. Request a sample and discover the recent advances in the PD-1 and PD-L1 inhibitors market @ PD-1 and PD-L1 Inhibitors Competitive Landscape Report PD-1 and PD-L1 Inhibitors Overview Cancer cells have programmed cell death protein 1 (PD-1) on their surfaces. Tumors use it to evade the immune system, so blocking it allows the body to attack and kill cancer. T cells constantly scan our bodies for abnormal cells and eliminate them before they can become cancerous. Finding ways to avoid or shut down the immune system is a critical step in tumor development. PD-1 proteins interact with two ligands, Programmed death-ligand 1 (PD-L1) and Programmed death-ligand 2 (PD-L2). The CD274 gene in humans encodes PD-L1. Some of the FDA-approved PD-1 inhibitor drugs include pembrolizumab (Keytruda), nivolumab (Opdivo), and cemiplimab (Libtayo). These drugs effectively treat various cancers, and new cancer types are added as more research demonstrates their efficacy. PD-L1 inhibitor drugs include atezolizumab (Tecentriq), avelumab (Bavencio), and durvalumab (Imfinzi). Find out more about PD-1 and PD-L1 inhibitors drugs @ FDA-approved PD-1 Inhibitor Drugs PD-1 and PD-L1 Inhibitors Pipeline Analysis: Drug Profile Keytruda: Merck Merck's Keytruda is a humanized monoclonal antibody that binds to the programmed cell death - 1 (PD-1) receptor and blocks its interaction with PD-L1 and PD-L2, releasing PD-1 pathway-mediated inhibition of the immune response, including anti-tumor immune response. Keytruda has been approved for advanced melanoma, non-small cell lung cancer (NSCLC), head and neck squamous cell cancer, classical Hodgkin lymphoma, microsatellite-instability-high cancer, Gastric Cancer, Esophageal Cancer, Cervical Cancer, Hepatocellular Carcinoma, Merkel Cell Carcinoma, Renal Cell Carcinoma, Endometrial Carcinoma, and advanced urothelial bladder cancer. FAZ053: Laekna Therapeutics Laekna Therapeutics is developing FAZ053 (anti-PD-L1), an investigational immuno-oncology treatment for patients with advanced cancers. It is a monoclonal antibody that targets the protein programmed cell death-1 ligand 1. (PD-L1). FAZ053, an anti-PD-L1 monoclonal antibody, binds to PD-L1, preventing it from binding to and activating its receptor programmed death 1 (PD-1), potentially enhancing the T-cell-mediated anti-tumor immune response and reversing T-cell inactivation. Laekna intends to begin trials on combination therapies as soon as possible to address unmet cancer needs and bring innovative, effective treatments to more cancer patients in China. A snapshot of the PD-1 and PD-L1 Inhibitors Pipeline Drugs mentioned in the report: Learn more about the emerging PD-1 and PD-L1 inhibitors pipeline therapies @ PD-1 and PD-L1 Inhibitors Clinical Trials Scope of the PD-1 and PD-L1 Inhibitors Competitive Landscape Report Coverage: Global Key PD-1 and PD-L1 Inhibitors Companies: Merck, Laekna Therapeutics, Genentech, Tracon Pharmaceuticals Inc., Celgene, MedImmune, Hangzhou Sumgen Biotech, Lepu Biopharma, Harbour BioMed, Curis, BeiGene, Apollomics, Agenus, Boehringer Ingelheim, Jounce Therapeutics, Seagen Inc., Ascletis Pharma Inc., Secarna Pharmaceuticals GmbH & Co. KG, Arbutus Biopharma, ABL bio, Macrogenics, AnaptysBio, Avacta, Regeneron Pharmaceuticals, Genor Biopharma Co. Ltd, Genmab, RemeGen, Alphamab, OxSonics therapeutics, Light Chain Bioscience, ImmuneOnco Biopharma, Alpine Immune Sciences, Shanghai Henlius Biotech, Inc., Ocean Biomedical, Akeso Biopharma, Lyvgen Biopharma, Prestige Biopharma, ONO PHARMACEUTICAL CO., LTD., Innovent Biologics, QLSF Biotherapeutics Inc., Servier, Zai Lab, EQRx, Bright Peak Therapeutics, Compass Therapeutics, Inc., Y-Biologics, Shattuck Labs, Beijing Biocytogen, Transcenta Holding, KLUS Pharma Inc., Synermore Biologics, F-Star Therapeutics Inc., Alphamab Oncology, Betta Pharmaceuticals Co., Ltd., Bolt Biotherapeutics, Medicenna Therapeutics, Celldex Therapeutics Inc., TCR² Therapeutics, Transcenta Holding, Merus, SystImmune Inc., TG Therapeutics, Elpiscience, Numab, Janux Therapeutics, Adagene, Molecular Templates, Inc., ImmuneOncia, and others Key PD-1 and PD-L1 Inhibitors Pipeline Therapies: Envafolimab, Keytruda, FAZ053, TECENTRIQ, Durvalumab, SG 12473, LP 002, HBM 9027, CA 170, Tislelizumab, Geptanolimab, and others. Dive deep for rich insights into PD-1 inhibitors in development; visit @ PD-L1 Inhibitor Drugs Table of Contents For further information on the PD-1 and PD-L1 inhibitors pipeline therapeutics, reach out @ PD-1 and PD-L1 Inhibitors Market Related Reports PD-1 Resistant Head and Neck Cancer Market PD-1 Resistant Head and Neck Cancer Market Insights, Epidemiology, and Market Forecast – 2032 report deliver an in-depth understanding of the disease, historical and forecasted epidemiology, as well as the market trends, market drivers, market barriers, and key PD-1 resistant head and neck cancer companies, including AstraZeneca, Innate Pharma, Rakuten Medical, Boehringer Ingelheim, Alkermes, among others. 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