Towards large-scale twitter mining for drug-related adverse events

Authors:
Jiang Bian;Umit Topaloglu;Fan Yu
Affiliations:
University of Arkansas for Medical Sciences, Little Rock, AR, USA;University of Arkansas for Medical Sciences, Little Rock, AR, USA;University of Arkansas for Medical Sciences, Little Rock, AR, USA
Venue:
Proceedings of the 2012 international workshop on Smart health and wellbeing
Year:
2012

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Abstract

Drug-related adverse events pose substantial risks to patients who consume post-market or Drug-related adverse events pose substantial risks to patients who consume post-market or investigational drugs. Early detection of adverse events benefits not only the drug regulators, but also the manufacturers for pharmacovigilance. Existing methods rely on patients' "spontaneous" self-reports that attest problems. The increasing popularity of social media platforms like the Twitter presents us a new information source for finding potential adverse events. Given the high frequency of user updates, mining Twitter messages can lead us to real-time pharmacovigilance. In this paper, we describe an approach to find drug users and potential adverse events by analyzing the content of twitter messages utilizing Natural Language Processing (NLP) and to build Support Vector Machine (SVM) classifiers. Due to the size nature of the dataset (i.e., 2 billion Tweets), the experiments were conducted on a High Performance Computing (HPC) platform using MapReduce, which exhibits the trend of big data analytics. The results suggest that daily-life social networking data could help early detection of important patient safety issues.