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[Lecture] Nanomedicines for the treatment of severe diseases
Jul. 01, 2022


Speaker: Patrick COUVREUR, Paris-Saclay University

Moderator: Haixia (Alice) Zhang, Peking Univerisity

Time: 20:00 pm, July 1, 2022, GMT+8

Venue: iCANX Talks, https://www.ican-x.com/talks

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Abstract:

Even if new molecules are discovered to treat severe diseases, the clinical efficacy of conventional chemotherapeutics is hampered by drug resistance and non-specific biodistribution. Advanced nanomedicines may overcome some of these limitations.

This will be illustrated by several advanced nanomedicine platforms:
- The design of biodegradable doxorubicin-loaded polyalkylcyanoacrylate nanoparticles for the treatment of the multidrug resistant hepatocarcinoma (a nanomedicine with phase III clinical trials ended).
- The construction of nanoparticles made of metal oxide frameworks (NanoMOFs), a highly hyperporous material obtained by the complexation of iron oxide clusters with diacids.
- The “squalenoylation”, a technology that takes advantage of the squalene's dynamically folded molecular conformation, to link this natural and biocompatible lipid with drug molecules to achieve the spontaneous formation of nanoassemblies (100–300 nm). These squalene-based nanoparticles are using the circulating LDL as “indirect” carriers for targeting cancer cells with high expression of LDL receptors. The application of the “squalenoylation” concept to the treatment of brain ischemia, spinal cord injury and pain alleviation will be discussed too.
- Finally, it will be shown that the construction of nanodevices sensitive to endogenous or exogenous stimuli may allow the spatio-temporal controlled delivery of drugs and overcome resistance to current treatments.

Biography:

Patrick COUVREUR is an Emeritus Professor of Pharmacy at the Paris-Saclay University, member of the Académie des Sciences and holder of the chair of “Innovations Technologiques” (2009-2010) at the prestigious « Collège de France ». He is appointed as a Senior Member of the “Institut Universitaire de France” since 2009. He is also the recipient of an “ERC Advanced Grant” (2010-2015) and of an “ERC Proof of Concept” (2015-2016). He has hold many important national and international academic positions as Director of the UMR CNRS 8612 (a CNRS associated department gathering together more than 120 researchers in the drug delivery field), Director of the Doctoral School “Therapeutic Innovation” (over 300 PhD students at Paris-Sud University) and founder member of the pole of competitivity MEDICEN. Prof Patrick COUVREUR’s contributions in the field of drug delivery, nanomedicine and drug targeting are highly recognized around the world (Google Scholar H-index 127 and 73,500 citations; Web of Science H-index 102 and 43,400 citations) with more than 550 peer review research publications, some of them in prestigious journals (ie. Nature Nanotechnology, Nature Materials, Nature Communications, Science Advances, Proceedings of the National Academy of Sciences, Angewandte Chemie, Cancer Research, Journal of the American Chemical Society etc.). His research is interdisciplinary, aiming at developing new nanomedicines for the treatment of severe diseases. This research is at the interface between Physico-Chemistry of Colloids, Polymer Chemistry, Material Science, pharmaceutical formulation, Cellular and Molecular Biology and Experimental Pharmacology. Patrick COUVREUR’s research has led to the funding of three start-up companies (Bioalliance, Medsqual and Squalpharma). Bioalliance (now ONXEO) entered the stock market in 2005 and a nanomedicine invented in Couvreur’s lab has reached a complete phase III clinical trial for the treatment of the hepatocarcinoma. The major scientific contribution of Patrick COUVREUR to the Pharmaceutical Sciences is also recognized by numerous international (the “2004 Pharmaceutical Sciences World Congress Award”, the prestigious “Host Madsen Medal”, the “European Pharmaceutical Scientist Award” of the European Federation of Pharmaceutical Sciences, the European Inventor Award 2013 given by the European Patent Office, the Speiser’s award from ETH and the Higuchi Award 2015, Japan etc.) and national awards (The Grand Prix de l’Innovation of « L’USINE NOUVELLE » 2008, the “Prix Galien 2009” and the “Médaille de l’Innovation 2012” of the CNRS and the Grand Prix Achille le Bel 2019). And he is also a Doctor Honoris Causa of the University of Ghent (Belgium) and Montréal (Canada). His appointment as a member of eight academies is another recognition of major scientific and scholarly contributions of Patrick COUVREUR (Académie des Sciences, Académie des Technologies, Académie Nationale de Médecine and Académie Nationale de Pharmacie in France, as well as, the Académie Royale de Médecine in Belgium, the Royal Academy of Pharmacy in Spain, the National Academy of Medicine and the National Academy of Engineering, two of the three National Academies in USA). By a decree of the President of the French Republic, Patrick Couvreur was recently appointed as “Chevalier de la Légion d’Honneur” (Knight of the Légion d'Honneur).

Souce: iCANX