Combining the ATC Drug Classification System with the RxNorm Drug Nomenclature into a comprehensive Drug Ontology: Challenges and Achievements

Anna Ostropolets, MD1, Hamed Abedtash, PharmD, PhD2, Peter Rijnbeek, PhD3, Marcel de Wilde3, Alexander Davydov6,  Olha Marushchak4, Christian Reich, MD5

1 Columbia University, New York City, NY, USA,2 Eli Lilly & Company, Indianapolis, IN, USA,3Erasmus University Medical Center, Rotterdam, The Netherlands,4 Danylo Halytsky Lviv National Medical University, Lviv, Ukraine, 5IQVIA, Cambridge, MA, USA,6Odysseus Data Services, Cambridge, MA, USA


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Anna Ostropolets, Jitendra Jonnagaddala,  Siaw-Teng Liaw, Hokyun Jeon, Rae Woong Park, Matthew E. Spotnitz, Karthik Natarajan and Chunhua Weng have no conflict of interest to declare. George Argyriou, Kristin Kostka and Christian Reich were full-time employees of IQVIA at the time the project was conducted. Anthony Molinaro, Frank DeFalco and Patrick Ryan were full-time employees of Janssen Research and Development at the time the project was conducted.