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Aggregation and analysis of indication-symptom relationships for drugs approved in the USA

Journal Article · · European Journal of Clinical Pharmacology

Abstract Purpose

Drug indications and disease symptoms often confound adverse event reports in real-world datasets, including electronic health records and reports in the FDA Adverse Event Reporting System (FAERS). A thorough, standardized set of indications and symptoms is needed to identify these confounders in such datasets for drug research and safety assessment. The aim of this study is to create a comprehensive list of drug-indication associations and disease-symptom associations using multiple resources, including existing databases and natural language processing.

Methods

Drug indications for drugs approved in the USA were extracted from two databases, RxNorm and Side Effect Resource (SIDER). Symptoms for these indications were extracted from MedlinePlus and using natural language processing from PubMed abstracts.

Results

A total of 1361 unique drugs, 1656 unique indications, and 2201 unique symptoms were extracted from a wide variety of MedDRA System Organ Classes. Text-mining precision was maximized at 0.65 by examining Term Frequency Inverse Document Frequency (TF-IDF) scores of the disease-symptom associations.

Conclusion

The drug-indication associations and disease-symptom associations collected in this study may be useful in identifying confounders in other datasets, such as safety reports. With further refinement and additional drugs, indications, and symptoms, this dataset may become a quality resource for disease symptoms.

Sponsoring Organization:
USDOE
OSTI ID:
1631784
Journal Information:
European Journal of Clinical Pharmacology, Journal Name: European Journal of Clinical Pharmacology Journal Issue: 9 Vol. 76; ISSN 0031-6970
Publisher:
Springer Science + Business MediaCopyright Statement
Country of Publication:
Germany
Language:
English

References (12)

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Electronic Health Records Data and Metadata: Challenges for Big Data in the United States journal December 2013
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Disease Ontology: a backbone for disease semantic integration journal November 2011
Disease Ontology 2015 update: an expanded and updated database of human diseases for linking biomedical knowledge through disease data journal October 2014
The SIDER database of drugs and side effects journal October 2015
The Human Phenotype Ontology in 2017 journal November 2016
Development and evaluation of an ensemble resource linking medications to their indications journal September 2013
Serious Adverse Drug Events Reported to the FDA: Analysis of the FDA Adverse Event Reporting System 2006-2014 Database journal July 2018

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