{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Dercle L"],"funding":["NCI NIH HHS"],"pagination":["1-8"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6874047"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["1"],"pubmed_abstract":["<h4>Purpose</h4>New response patterns to anticancer drugs have led tumor size-based response criteria to shift to also include density measurements. Choi criteria, for instance, categorize antiangiogenic therapy response as a decrease in tumor density > 15% at the portal venous phase (PVP). We studied the effect that PVP timing has on measurement of the density of liver metastases (LM) from colorectal cancer (CRC).<h4>Methods</h4>Pretreatment PVP computed tomography images from 291 patients with LM-CRC from the CRYSTAL trial (Cetuximab Combined With Irinotecan in First-Line Therapy for Metastatic Colorectal Cancer; ClinicalTrials.gov identifier: NCT00154102) were included. Four radiologists independently scored the scans' timing according to a three-point scoring system: early, optimal, la"],"journal":["JCO clinical cancer informatics"],"pubmed_title":["Impact of Variability in Portal Venous Phase Acquisition Timing in Tumor Density Measurement and Treatment Response Assessment: Metastatic Colorectal Cancer as a Paradigm."],"pmcid":["PMC6874047"],"funding_grant_id":["U01 CA140207"],"pubmed_authors":["Yang H","Lu L","Piessevaux H","Schwartz LH","Dercle L","Zhu J","Zhao B","Lichtenstein P","Wang D","Wu F"],"additional_accession":[]},"is_claimable":false,"name":"Impact of Variability in Portal Venous Phase Acquisition Timing in Tumor Density Measurement and Treatment Response Assessment: Metastatic Colorectal Cancer as a Paradigm.","description":"<h4>Purpose</h4>New response patterns to anticancer drugs have led tumor size-based response criteria to shift to also include density measurements. Choi criteria, for instance, categorize antiangiogenic therapy response as a decrease in tumor density > 15% at the portal venous phase (PVP). We studied the effect that PVP timing has on measurement of the density of liver metastases (LM) from colorectal cancer (CRC).<h4>Methods</h4>Pretreatment PVP computed tomography images from 291 patients with LM-CRC from the CRYSTAL trial (Cetuximab Combined With Irinotecan in First-Line Therapy for Metastatic Colorectal Cancer; ClinicalTrials.gov identifier: NCT00154102) were included. Four radiologists independently scored the scans' timing according to a three-point scoring system: early, optimal, la","dates":{"release":"2017-01-01T00:00:00Z","publication":"2017 Nov","modification":"2025-04-04T03:27:08.899Z","creation":"2020-05-21T21:10:03Z"},"accession":"S-EPMC6874047","cross_references":{"pubmed":["30657405"],"doi":["10.1200/cci.17.00108","10.1200/CCI.17.00108"]}}