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Cancer drug delivery remains a critical challenge with systemic toxicity, poor drug bioavailability, and a lack of effective targeting. Overcoming these barriers is essential for improving treatment efficacy and patient outcomes. This review discusses current drug delivery techniques that reshape cancer therapy by offering precise, controlled-release tailored to tumor-specific features. Innovations in nanotechnology, immunotherapy, and gene therapy enable interventions at molecular and cellular levels. Radiomics and pathomics integrate high-dimensional data to optimize diagnostics and treatment planning. Combination therapy addresses the complexities of tumor heterogeneity by synergizing multiple agents within a single therapeutic framework, while peptide-drug conjugates enhance specificity and potency. Hydrogel-based systems and microneedle arrays offer localized, sustained release, significantly improving therapeutic outcomes. However, clinical translation of these advancements faces significant barriers such as drug resistance, off-target effects, scalability, cost, and ethical concerns. Moreover, regulatory complexities and the economic feasibility of these therapies highlight the need for innovative frameworks to make them accessible globally. Therefore, there is a need for innovation in gene and cell therapy, next-generation drug delivery platforms, and personalized medicine. This review focuses on recent advancements in drug delivery techniques over the past decade, evaluating their limitations and exploring potential future directions for transforming cancer treatment.
Imtiaz et al. (Wed,) studied this question.