Artificial Intelligence in Pharmaceutical R&D: Innovation in Drug Discovery and Clinical Trials

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Martha Karina Yanza-Moreno
Valeria Nicole Chávez-Herrera
Maria Gabriela Borja-Mazón

Abstract

The integration of artificial intelligence (AI) into pharmaceutical research and development (R&D) represents a paradigm shift in light of the high attrition rates, financial costs, and lengthy timelines associated with the traditional model. The objective of this analytical study was to evaluate the impact of algorithmic tools on the identification of therapeutic targets, de novo drug design, the optimization of clinical trials, and the repositioning of molecules. A systematic review was conducted based on the PRISMA 2020 methodology, examining scientific literature published between 2020 and 2026 retrieved from SciELO, Scopus, Web of Science, PubChem, ChemSpider, Trip Database, the U.S. Food and Drug Administration (FDA). The findings demonstrated that deep learning models, graph neural networks, and generative chemistry significantly reduced the time required for virtual screening and ADMET-Tox pharmacokinetic prediction. Furthermore, predictive algorithms optimized patient stratification in Phase I through III clinical trials, minimizing experimental variability and preventing failures due to lack of efficacy or cardiotoxicity. It is concluded that AI is reshaping biopharmaceutical R&D into a data-driven iterative cycle, making it essential to establish frameworks for ethical governance and prospective validation.

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Yanza-Moreno, M. K., Chávez-Herrera, V. N., & Borja-Mazón, M. G. (2026). Artificial Intelligence in Pharmaceutical R&D: Innovation in Drug Discovery and Clinical Trials. Scientific Journal Science and Method, 4(4), 32-46. https://doi.org/10.55813/gaea/rcym/v4/n4/267

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