Abstract 2301: Intraperitoneal CAR-T infusion results in durable protection against peritoneal metastases and control of systemic tumor growth

Colorectal carcinomatosis due to peritoneal metastases (PM) is a significant cause of morbidity and mortality. Present treatments fail to cure the majority of patients with PM. We are developing a chimeric antigen receptor T cell (CAR-T) regional infusion immunotherapy platform for PM. We treated mi...

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Veröffentlicht in:Cancer research (Chicago, Ill.) Ill.), 2016-07, Vol.76 (14_Supplement), p.2301-2301
Hauptverfasser: Cunetta, Marissa, Point, Gary, Liu, Zhi, Guha, Prajna, Darpolor, Josephine, Lima, Matthew, Espat, N J., Hanna, Nader, Boutros, Cherif, Junghans, Richard P., Katz, Steven
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Sprache:eng
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Zusammenfassung:Colorectal carcinomatosis due to peritoneal metastases (PM) is a significant cause of morbidity and mortality. Present treatments fail to cure the majority of patients with PM. We are developing a chimeric antigen receptor T cell (CAR-T) regional infusion immunotherapy platform for PM. We treated mice with established CEA+ MC38 PMs with anti-CEA CAR-Ts either via regional intraperitoneal (IP) or systemic tail vein (TV) infusion. When compared to TV infusion, IP delivery resulted in significantly improved responses (37-fold reduction in tumor growth, p
ISSN:0008-5472
1538-7445
DOI:10.1158/1538-7445.AM2016-2301