Profiles of Drug Substances, Excipients, and Related Methodology, Volume 44, presents comprehensive reviews of drug substances and additional materials, with critical review chapters that summarize information related to the characterization of drug substances and excipients. The series encompasses review articles, with this release focusing on Cefpodoxime proxetil, Levetiracetam, Paclitaxel, Sorafenib, Sucrose octaacetate, Thiouracil, Topiramate, Spectrophotometric analysis, and Cocrystal Systems of Pharmaceutical Interest: 2012-2014.