Pickering emulsions with ethiodized oil and nanoparticles for slow release of intratumoral anti-CTLA4 immune checkpoint antibodies.

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Tselikas, Lambros | de Baere, Thierry | Isoardo, Thomas | Susini, Sandrine | Ser-Le Roux, Karine | Polrot, Mélanie | Adam, Julien | Rouanne, Mathieu | Zitvogel, Laurence | Moine, Laurence | Deschamps, Fréderic | Marabelle, Aurélien

Edité par CCSD ; BMJ Publishing Group -

International audience. Intratumorous immunotherapy for cancer is currently thriving. The aim of such local strategy is to improve the therapeutic index of these treatments, for higher on-target/on-tumor activity and less on-target/off-tumor adverse events. Strategies allowing for slow release of anti-CTLA4 in the tumor microenvironment could improve their clinical efficacy.The purpose of the study was to develop a radiopaque delivery platform to improve the targeting and exposure of intratumorous anti-CTLA4 antibodies for cancer immunotherapy.

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