| Summary: | Acoustically driven bubbles produce a range of mechanical, thermal and chemical effects that can be exploited in drug delivery applications. Significant improvements in the targeting, distribution and efficacy of both current and emerging therapeutics can be achieved, from small molecules to biologics and nucleic-acid-based drugs. This Review describes how specially designed cavitation nuclei in the form of solid, liquid or gas particles can enable the triggered release of drugs, promote the permeabiliziation of challenging biological barriers and enhance drug delivery through tissue regions where diffusion alone is inadequate. Scalable strategies for mapping and controlling cavitation activity to harness its therapeutic potential at depth within the body are discussed, alongside current and emerging applications for the treatment of diseases, including cancer and stroke.
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