Pathology, Progression, and Emerging Treatments of Peripheral Artery Disease–Related Limb Ischamia

Golledge, Jonathan

Abstract

Purpose: This narrative review summarizes recent research examining treatment targets for peripheral artery disease (PAD)–related limb ischemia. Methods: Targeted searches of the PubMed and clinical trial registry databases were performed to identify recent findings from animal models of limb ischemia and clinical studies examining PAD progression and treatment. Ongoing clinical trials testing new treatments for PAD were also reviewed. Relevant full-text articles were retrieved and critically reviewed. Where indicated, data were tabulated and summarized in the text. Findings: Most people with PAD need treatment to improve their walking and function and limit leg pain. Currently, the available treatments of cilostazol, exercise therapy, and revascularization have several deficiencies, including limited access, poor uptake, limited efficacy, and risk of complications. Severe PAD threatens limb viability and is treated by endovascular or open surgical revascularization but is not always successful in achieving limb salvage. Research is ongoing to develop and test new therapies, including new exercise programs, drugs, stem cell treatments and RNA therapeutics, so that new and adjunctive PAD treatments can be offered. Results from multiple clinical trials are expected within the next 5 years. Implications: It is envisaged that a range of new therapies for PAD will be available in the future.

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Clinical Therapeutics

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1879-114X

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Elsevier

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DOI

10.1016/j.clinthera.2023.09.005