doxorubicin drug pathway doxorubicin pharmacokinetics pathway 2014-11-07T13:23:19Z PW:0001565 SMP:00650 The pathway of processing - absorption, distribution, metabolism or elimination - of doxorubicin. Doxorubicin is used as a chemotherapeutic agent for the treatment of various cancers. Its use is limited by the serious cardiotoxic side effects it exerts. Genetic variations can result in changes in the availability of the drug. pathway vpetri