The @ % confidence intervals for the area under the concentration-time curve from time zero to the last quantifiable concentration ( AUC ( last ) ) , area under the concentration-time curve from time zero to infinity ( AUC ( @ - ) ) and maximum plasma concentration ( C ( max ) ) of cinacalcet were within the accepted range of @-@ % for both CaCO ( @ ) and sevelamer HCl co-administration with cinacalcet .