{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T18:49:58Z","timestamp":1778698198818,"version":"3.51.4"},"reference-count":53,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2018,7,30]],"date-time":"2018-07-30T00:00:00Z","timestamp":1532908800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/academic.oup.com\/journals\/pages\/about_us\/legal\/notices"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study extends prior research by combining a chronological pharmacovigilance network approach with machine-learning (ML) techniques to predict adverse drug events (ADEs) based on the drugs\u2019 similarities in terms of the proteins they target in the human body. The focus of this research, though, is particularly centered on predicting the drug-ADE associations for a set of 8 common and high-risk ADEs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>large collection of annotated MEDLINE biomedical articles was used to construct a drug-ADE network, and the network was further equipped with information about drugs\u2019 target proteins. Several network metrics were extracted and used as predictors in ML algorithms to predict the existence of network edges (ie, associations or relationships).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Gradient boosted trees (GBTs) as an ensemble ML algorithm outperformed other prediction methods in identifying the drug-ADE associations with an overall accuracy of 92.8% on the validation sample. The prediction model was able to predict drug-ADE associations, on average, 3.84 years earlier than they were actually mentioned in the biomedical literature.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>While network analysis and ML techniques were used in separation in prior ADE studies, our results showed that they, in combination with each other, can boost the power of one another and predict better. Moreover, our results highlight the superior capability of ensemble-type ML methods in capturing drug-ADE patterns compared to the regular (ie, singular), ML algorithms.<\/jats:p><\/jats:sec>","DOI":"10.1093\/jamia\/ocy097","type":"journal-article","created":{"date-parts":[[2018,6,29]],"date-time":"2018-06-29T12:02:55Z","timestamp":1530273775000},"page":"1311-1321","source":"Crossref","is-referenced-by-count":37,"title":["A chronological pharmacovigilance network analytics approach for predicting adverse drug events"],"prefix":"10.1093","volume":"25","author":[{"given":"Behrooz","family":"Davazdahemami","sequence":"first","affiliation":[{"name":"Department of Management Science and Information Systems, Oklahoma State University, Stillwater, Oklahoma, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dursun","family":"Delen","sequence":"additional","affiliation":[{"name":"Department of Management Science and Information Systems, Center for Health Systems Innovation, 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