{"denomUnitsSelected":"Participants","description":"Polymorphisms in ABCB1 encode for efflux-transporter proteins P-glycoprotein (P-gp), for which palbociclib has been shown as a substrate. Genomic DNA was to be isolated from peripheral blood samples from consenting patients to determine ABCB1 polymorphisms.","reportingStatus":"NOT_POSTED","timeFrame":"At enrollment","title":"Polymorphisms in Efflux-transporter Proteins P-glycoprotein (P-gp; ABCB1)","type":"OTHER_PRE_SPECIFIED"}