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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260614T132904Z DTSTART;VALUE=DATE-TIME:20160127T130000 DTEND;VALUE=DATE-TIME:20160127T140000 SUMMARY:Complexity Forum: Annabelle Ballesta (University of ÌÇÐÄTV) TZID:Europe/London UID:20160127-094d43454c4729f8014c55c989084e3e@warwick.ac.uk CREATED:20150326T110652Z DESCRIPTION:A multi-scale systems pharmacology approach for anticancer ch ronotherapy personalisation. Cancer management personalisation requires to reliably account for molecular pathways of patient’s response to drug administration. In a context where clinical molecular data is usually m inimally available in individual patients\, multi-scale physiologically- based modelling appears as an adapted solution to describe underlying ge ne and protein networks ultimately responsible for treatment antitumor e fficacy and side effects. Basing mathematical models on physiology allow s the use of in vitro studies to design whole-body preclinical rodent mo dels\, to be further scaled to patient population data. The resulting hu man model\, that describes an average cancer patient\, may then be used in global parameter sensitivity analyses to generate specific prediction s on relevant biomarkers. Partial re-calibration of the population human model for a given cancer patient according to individual biomarker reco rdings\, patient’s genetic background and therapeutic history further al low for chemotherapy personalisation. The patient-specific models then a ppeal for clinical validation\, thus initiating a novel trial design\, w here each individual patient receives personalised drug combinations/sch eduling computed via mathematical models\, informed with a continuous fl ow of multidimensional information obtained and tele-transmitted from pa tients. I will present how this approach was undertaken for personalisin g chronotherapy against digestive cancers with a particular focus on the anticancer drug irinotecan [1-3] . Multi-scale models representing irin otecan pharmacokinetics-pharmacodynamics (PK-PD) were designed. While PK quantifies the transport and metabolism of the drug and its metabolites that are driving exposure concentration over time\, PD quantifies drug interactions with cellular targets and subsequent cytotoxicity. Referenc es 1. Dulong\, S.\, et al.\, Identification of Circadian Determinants of Cancer Chronotherapy through In Vitro Chronopharmacology and Mathematic al Modeling. Mol Cancer Ther\, 2015. 2. Ballesta\, A.\, et al.\, A syste ms biomedicine approach for chronotherapeutics optimization: focus on th e anticancer drug irinotecan\, in New Challenges for Cancer Systems Biom edicine. 2012\, Springer. 3. Ballesta\, A.\, et al.\, A combined experim ental and mathematical approach for molecular-based optimization of irin otecan circadian delivery. PLoS Comput Biol\, 2011. 7(9): p. e1002143. - - Lunch Group 2 LOCATION:D1.07 CATEGORIES:forum LAST-MODIFIED:20160126T123228Z ORGANIZER;CN=Heather Robson: END:VEVENT END:VCALENDAR