Novel anti-fibrotic engineered macrophage therapy reduced liver fibrosis in preclinical models
Development candidate nomination expected in the first quarter of 2025
PHILADELPHIA, May 8, 2024 /PRNewswire/ -- Carisma Therapeutics Inc. (Nasdaq: CARM) ("Carisma" or the "Company"), a clinical-stage biopharmaceutical company focused on discovering and developing innovative immunotherapies, today announced new data demonstrating preclinical proof of concept using engineered anti-fibrotic macrophages for the treatment of liver fibrosis. The data was presented in a poster session at the American Society of Gene and Cell Therapy (ASGCT) 2024 Annual Meeting on May 8, 2024, in Baltimore, MD.
"We are pleased to unveil preclinical proof of concept data for our liver fibrosis program, which highlight the potential of engineered macrophages to combat a prevalent disease that is associated with late-stage metabolic dysfunction-associated steatohepatitis (MASH) and represents a significant unmet need," said Michael Klichinsky, PharmD, PhD, Co-founder and Chief Scientific Officer of Carisma. "The data, from two independent models, demonstrate that engineered macrophages trafficked to fibrotic tissues, expressed genetically encoded disease-modifying payloads, and significantly reduced fibrosis in the liver. Given these encouraging data, we look forward to further progressing the liver fibrosis program, which is our first expansion outside of oncology."
In the presentation titled "Genetically Engineered Macrophage Cell Therapy Reverses Liver and Lung Fibrosis in Preclinical Models," Carisma presented preclinical proof-of-concept data for engineered macrophage cell therapy in liver fibrosis. In liver models, the data showed that a single dose of macrophages co-expressing the anti-fibrotic factor relaxin and the anti-inflammatory cytokine IL10 significantly improved established fibrosis in a CCl4-induced liver fibrosis model, with a 116% reduction in fibrosis relative to untreated control. Also, systemic administration of engineered macrophages co-expressing relaxin and IL10 significantly reduced liver fibrosis in a high fat diet MASH model, with a 45% reduction in fibrosis relative to untreated control. In both models, the relaxin-IL10 macrophage treatment also resulted in a greater reduction in liver fibrosis compared to non-engineered macrophages.
The presentation also included initial data for the use of engineered macrophages in pulmonary fibrosis. The data showed that a single dose of macrophages expressing a dominant negative TGFβ receptor, which nullified pro-fibrotic TGFβ signaling in the lung, prevented fibrosis in a bleomycin mouse model of pulmonary fibrosis, with a 90% reduction in fibrosis relative to untreated control.
Carisma expects to nominate a development candidate for its liver fibrosis program in the first quarter of 2025.
The poster presented at ASGCT 2024 is now available online in the "Publications" section of Carisma's website at https://carismatx.com/technology/publications/
About Carisma
Carisma Therapeutics Inc. is a clinical stage biopharmaceutical company focused on utilizing our proprietary macrophage and monocyte cell engineering platform to develop transformative immunotherapies to treat cancer and other serious diseases. We have created a comprehensive, differentiated proprietary cell therapy platform focused on engineered macrophages and monocytes, cells that play a crucial role in both the innate and adaptive immune response. Carisma is headquartered in Philadelphia, PA. For more information, please visit www.carismatx.com.
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For a discussion of these risks and uncertainties, and other important factors, any of which could cause Carisma's actual results to differ from those contained in the forward-looking statements, see the "Risk Factors" set forth in the Company's Annual Report on Form 10-K for the year ended December 31, 2023, as well as discussions of potential risks, uncertainties, and other important factors in Carisma's other recent filings with the Securities and Exchange Commission. Any forward-looking statements that are made in this press release speak as of the date of this press release. Carisma undertakes no obligation to revise the forward-looking statements or to update them to reflect events or circumstances occurring after the date of this press release, whether as a result of new information, future developments or otherwise, except as required by the federal securities laws.
Investors:
Shveta Dighe
Head of Investor Relations
investors@carismatx.com
Media Contact:
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(763) 350-5223
jstern@realchemistry.com
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