IJMS, Vol. 19, Pages 467: Prediction of Effective Drug Combinations by an Improved Naïve Bayesian Algorithm

IJMS, Vol. 19, Pages 467: Prediction of Effective Drug Combinations by an Improved Naïve Bayesian Algorithm

International Journal of Molecular Sciences doi: 10.3390/ijms19020467

Authors: Li-Yue Bai Hao Dai Qin Xu Muhammad Junaid Shao-Liang Peng Xiaolei Zhu Yi Xiong Dong-Qing Wei

Drug combinatorial therapy is a promising strategy for combating complex diseases due to its fewer side effects, lower toxicity and better efficacy. However, it is not feasible to determine all the effective drug combinations in the vast space of possible combinations given the increasing number of approved drugs in the market, since the experimental methods for identification of effective drug combinations are both labor- and time-consuming. In this study, we conducted systematic analysis of various types of features to characterize pairs of drugs. These features included information about the targets of the drugs, the pathway in which the target protein of a drug was involved in, side effects of drugs, metabolic enzymes of the drugs, and drug transporters. The latter two features (metabolic enzymes and drug transporters) were related to the metabolism and transportation properties of drugs, which were not analyzed or used in previous studies. Then, we devised a novel improved naïve Bayesian algorithm to construct classification models to predict effective drug combinations by using the individual types of features mentioned above. Our results indicated that the performance of our proposed method was indeed better than the naïve Bayesian algorithm and other conventional classification algorithms such as support vector machine and K-nearest neighbor.

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