2021
DOI: 10.1093/jamia/ocab124
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Application of natural language processing techniques to identify off-label drug usage from various online health communities

Abstract: Objective Outcomes mentioned on online health communities (OHCs) by patients can serve as a source of evidence for off-label drug usage evaluation, but identifying these outcomes manually is tedious work. We have built a natural language processing model to identify off-label usage of drugs mentioned in these patient posts. Materials and Methods Single patient posts from 4 major OHCs were considered for this study. A text cla… Show more

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Cited by 3 publications
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“…Statistics-based machine learning algorithms leveraging manually annotated corpora for supervised training have exhibited a significant increase in accuracy over rule-based and lexicon-based entity recognition approaches [ 11 , 12 ]. With the advent of deep learning, numerous neural-network-based models have effectively been used for the textual entity recognition of biological documents [ 13 , 14 ], electronic medical records [ 15 , 16 , 17 ], and online health communities [ 18 , 19 , 20 ] Dreyfus Dreyfus. Based on the entity recognition infrastructure deep learning model LSTM-CRF, Guillaume Lample et al [ 21 ] proposed a neural network model that combines bidirectional long short-term memory (BiLSTM) and conditional random fields (CRFs).…”
Section: Introductionmentioning
confidence: 99%
“…Statistics-based machine learning algorithms leveraging manually annotated corpora for supervised training have exhibited a significant increase in accuracy over rule-based and lexicon-based entity recognition approaches [ 11 , 12 ]. With the advent of deep learning, numerous neural-network-based models have effectively been used for the textual entity recognition of biological documents [ 13 , 14 ], electronic medical records [ 15 , 16 , 17 ], and online health communities [ 18 , 19 , 20 ] Dreyfus Dreyfus. Based on the entity recognition infrastructure deep learning model LSTM-CRF, Guillaume Lample et al [ 21 ] proposed a neural network model that combines bidirectional long short-term memory (BiLSTM) and conditional random fields (CRFs).…”
Section: Introductionmentioning
confidence: 99%