AI-Powered Prediction of Nanoparticle Pharmacokinetics: A Multi-View Learning Approach
This work addresses the problem of unpredictable nanoparticle pharmacokinetics for researchers and clinicians in nanomedicine, representing an incremental advance by combining existing methods with new integration techniques.
The paper tackled the challenge of predicting nanoparticle pharmacokinetics, which limits clinical translation, by introducing a multi-view deep learning framework that integrates prior knowledge of NP properties and uses ensemble learning, achieving significant performance improvements over existing AI models.
The clinical translation of nanoparticle-based treatments remains limited due to the unpredictability of (nanoparticle) NP pharmacokinetics$\unicode{x2014}$how they distribute, accumulate, and clear from the body. Predicting these behaviours is challenging due to complex biological interactions and the difficulty of obtaining high-quality experimental datasets. Existing AI-driven approaches rely heavily on data-driven learning but fail to integrate crucial knowledge about NP properties and biodistribution mechanisms. We introduce a multi-view deep learning framework that enhances pharmacokinetic predictions by incorporating prior knowledge of key NP properties such as size and charge into a cross-attention mechanism, enabling context-aware feature selection and improving generalization despite small datasets. To further enhance prediction robustness, we employ an ensemble learning approach, combining deep learning with XGBoost (XGB) and Random Forest (RF), which significantly outperforms existing AI models. Our interpretability analysis reveals key physicochemical properties driving NP biodistribution, providing biologically meaningful insights into possible mechanisms governing NP behaviour in vivo rather than a black-box model. Furthermore, by bridging machine learning with physiologically based pharmacokinetic (PBPK) modelling, this work lays the foundation for data-efficient AI-driven drug discovery and precision nanomedicine.