Objective: Drug repositioning is a promising methodology for reducing the cost and duration of the drug discovery pipeline. We sought to develop a computational repositioning method leveraging annotations in the literature, such as Medical Subject Heading (MeSH) terms. Methods: We developed software to determine significantly co-occurring drug-MeSH term pairs and a method to estimate pair-wise literature-derived distances between drugs. Results We found that literature-based drug-drug similarities predicted the number of shared indications across drug-drug pairs. Clustering drugs based on their similarity revealed both known and novel drug indications. We demonstrate the utility of our approach by generating repositioning hypotheses for the commonly used diabetes drug metformin. Conclusion: Our study demonstrates that literature-derived similarity is useful for identifying potential repositioning opportunities. We provided open-source code and deployed a free-to-use, interactive application to explore our database of similarity-based drug clusters (available at http://apps.chiragjpgroup.org/MeSHDD/).
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Columbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Univ Santiago de Compostela, Fac Pharm, Dept Organ Chem, Santiago De Compostela, SpainColumbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Vilar, Santiago
Uriarte, Eugenio
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Univ Santiago de Compostela, Fac Pharm, Dept Organ Chem, Santiago De Compostela, SpainColumbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Uriarte, Eugenio
Santana, Lourdes
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Univ Santiago de Compostela, Fac Pharm, Dept Organ Chem, Santiago De Compostela, SpainColumbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Santana, Lourdes
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Lorberbaum, Tal
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Hripcsak, George
Friedman, Carol
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Columbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USAColumbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Friedman, Carol
Tatonetti, Nicholas P.
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Columbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
Columbia Univ, Dept Syst Biol, Med Ctr, New York, NY USA
Columbia Univ, Dept Med, Med Ctr, New York, NY USAColumbia Univ, Med Ctr, Dept Biomed Informat, New York, NY 10027 USA
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UC Davis Comprehens Canc Ctr, 4501 X St, Sacramento, CA 95817 USA
Univ N Carolina, UNC Eshelman Sch Pharm, Div Pharmacotherapy & Expt Therapeut, Chapel Hill, NC USAUC Davis Comprehens Canc Ctr, 4501 X St, Sacramento, CA 95817 USA
Beechinor, Ryan J.
Tyson, Rachel
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Univ N Carolina, UNC Eshelman Sch Pharm, Div Pharmacotherapy & Expt Therapeut, Chapel Hill, NC USAUC Davis Comprehens Canc Ctr, 4501 X St, Sacramento, CA 95817 USA
Tyson, Rachel
Roth, Mary E.
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Univ Virginia Hlth Syst, Dept Pharm, Charlottesville, VA USAUC Davis Comprehens Canc Ctr, 4501 X St, Sacramento, CA 95817 USA
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Shahid Beheshti Univ, Fac Math, Dept Comp Sci, GC, Tehran 1983969411, Iran
Inst Res Fundamental Sci IPM, Sch Biol Sci, Tehran 193955746, IranShahid Beheshti Univ, Fac Math, Dept Comp Sci, GC, Tehran 1983969411, Iran