Issue 21, 2022

A study to discover novel pharmaceutical cocrystals of pelubiprofen with a machine learning approach compared

Abstract

Pelubiprofen (PF), a biopharmaceutical classification system (BCS) class II non-steroidal anti-inflammatory drug, has been on the market only in its crystalline form. To discover the first cocrystal form(s) of the drug, artificial neural network (ANN) modeling and the pKa rule were adopted to predict the most probable coformers that could form cocrystals with PF. Among candidate molecules examined theoretically and experimentally, isonicotinamide (INA) and nicotinamide (NCA) formed PF-based cocrystals through evaporative crystallization. The structures of the PF–INA and PF–NCA cocrystals were verified through multiple characterization techniques, including single-crystal X-ray diffraction. These two cocrystals demonstrated remarkably better water solubility and dissolution behaviors than did pure PF in both acidic and neutral solutions. Even with deficiency in the prediction capability, the combination of machine learning-based and knowledge-based coformer screening and the subsequent synthetic experiments would be a potential approach for discovering novel pharmaceutical cocrystals in the future.

Graphical abstract: A study to discover novel pharmaceutical cocrystals of pelubiprofen with a machine learning approach compared

Supplementary files

Article information

Article type
Paper
Submitted
02 fev 2022
Accepted
27 apr 2022
First published
27 apr 2022

CrystEngComm, 2022,24, 3938-3952

A study to discover novel pharmaceutical cocrystals of pelubiprofen with a machine learning approach compared

P. Kim, I. Lee, J. Kim, M. E. Mswahili, Y. Jeong, W. Yoon, H. Yun, M. Lee and G. J. Choi, CrystEngComm, 2022, 24, 3938 DOI: 10.1039/D2CE00153E

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