ReviewAdvanced healthcare materials2026
Nanomaterial Strategies for Pulmonary Delivery of Immunotherapeutics in Lung Cancer Treatment.
Review in Advanced healthcare materials, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
2 authors.
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Abstract
Organ-selective immunomodulation is increasingly viewed as a route to improve the therapeutic index of cancer immunotherapy, yet most agents are still delivered systemically, where limited tumor exposure and immune-related toxicities remain common. The lung is an attractive site for local intervention because it is directly accessible and immunologically specialized. However, effective pulmonary delivery is constrained by mucociliary clearance, airway mucus, alveolar macrophage uptake, and epithelial barriers. Nanomaterials can be rationally engineered to address these constraints, increasing pulmonary retention and concentrating immunotherapeutics within the lung tumor microenvironment while reducing systemic burden. This Review summarized the key physiological barriers for pulmonary immunotherapeutic delivery and discusses how nanomaterial properties shape deposition, retention, cellular partitioning, and downstream immune activation. We critically evaluate representative inhalable platforms across major immunotherapeutic modalities, including vaccines, immune checkpoint blockade, innate immune agonists (e.g., STING agonists), cytokine regulation, and emerging in situ immune-cell engineering strategies. We also highlight translational considerations. Together, these advances support inhalable immunotherapeutic nanomedicines as a complementary approach to current lung cancer treatment and a broader framework for pulmonary immune modulation.
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