Purpose of review Advances in the management of lipid disorders have expanded therapeutic options for hypercholesterolemia and beyond. We review the current advances in RNA interference (RNAi) therapies as small interfering RNA (siRNA) drugs, critically assess their clinical positioning, and explore their potential role in reshaping lipid management over the next years. Recent findings RNAi enables targeted, durable suppression of key lipid-regulating proteins at the mRNA level. Inclisiran, the first approved RNAi therapy for hypercholesterolemia, achieves about 50% sustained LDL-c reduction with long-interval maintenance dosing, offering an alternative to monoclonal antibodies. Beyond LDL-c lowering, multiple RNAi drugs are in advanced development targeting lipoprotein(a), apolipoprotein C-III, and angiopoietin-like protein 3, aiming to address residual cardiovascular risk. Early safety and adherence data are encouraging, yet pivotal outcome trials and cost-effectiveness analyses are still pending. Summary RNAi is a naturally occurring gene-silencing mechanism that can be harnessed therapeutically through siRNA molecules. In lipidology, siRNA-based therapies represent a disruptive technology with the potential to transform both prevention and treatment of atherosclerotic cardiovascular disease. If ongoing trials confirm cardiovascular benefit and safety, RNAi agents could become foundational in personalized lipid management, moving the field toward long-acting, target-specific, and potentially combination-based regimens. The coming years will determine whether RNAi fulfills its promise as the future standard of care in lipid disorders.
Nassif et al. (Tue,) studied this question.
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