Cited by 37Lipoproteins and Cardiovascular HealthCholesterol and Lipid MetabolismLipid metabolism and disorders

Harnessing RNA Interference for Cholesterol Lowering: The Bench‐to‐Bedside Story of Inclisiran

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Wilkinson, Michael J., Bajaj, Archna, Brousseau, Margaret E., Taub, Pam R.·2024·Journal of the American Heart Association

Abstract

Lowering low‐density lipoprotein cholesterol (LDL‐C) is a cornerstone of reducing risk for atherosclerotic cardiovascular disease. Despite the approval of nonstatin therapies for LDL‐C lowering over the past 2 decades, these medications are underused, and most patients are still not at guideline‐recommended LDL‐C goals. Barriers include poor adherence, clinical inertia, concern for side effects, cost, and complex prior authorization processes. With atherosclerotic cardiovascular disease‐related mortality increasing globally, there remains a need for additional therapeutic options for lowering LDL‐C as part of an atherosclerotic cardiovascular disease prevention strategy. Following the identification of PCSK9 (proprotein convertase subtilisin/kexin type 9) as a promising therapeutic target, inclisiran was developed using the natural process of RNA interference for robust, sustained prevention of hepatic PCSK9 synthesis. Twice‐yearly maintenance subcutaneous inclisiran (following initial loading doses at Day 1 and Day 90) reduces circulating LDL‐C levels by ≈50% versus placebo when added to maximally tolerated statins. Long‐term safety and tolerability of inclisiran have been assessed, with studies underway to evaluate the effects of inclisiran on cardiovascular outcomes and to provide additional safety and effectiveness data. In 2021, <20 years after the discovery of PCSK9, inclisiran became the first RNA interference therapeutic approved in the United States for LDL‐C lowering in patients with established atherosclerotic cardiovascular disease or familial hypercholesterolemia and has since been approved for use in patients with primary hyperlipidemia. This article reviews the journey of inclisiran from bench to bedside, including early development, the clinical trial program, key characteristics of inclisiran, and practical points for its use in the clinic.

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Crossref · 10.1161/jaha.123.032031

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74 of 74 references verified0 citation errors · 0 not checkable

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  • The most common adverse event was injection-site reactions affecting 5-17% of patients across studies, but these were mild to moderate and short-lived with minimal treatment discontinuation.

    “The most common adverse event was injection-site reactions affecting 5–17% of patients in different studies but these reactions were mild to moderate and short-lived with minimal need to stop treatment [15, 81].”

    From Inclisiran SiRNA therapy for durable LDL-C reduction: a systematic review and meta-analysis highlighting a breakthrough in long-term cardiovascular risk management (2026) · cites this paper as [15]

    The Clinical Development section reports injection-site adverse events in 5% of inclisiran recipients and says they were mostly mild, with none severe or persistent. The Factors to Consider section reports rates of 8.2% in pooled phase 3 trials and 5.9% in ORION-8, and describes the reactions as mostly mild and short-lived. Our copy does not substantiate the 17% upper end of the claimed range or say that reactions rarely required treatment discontinuation; page numbers were not provided. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Inclisiran's chemical structure includes a GalNAc-triantennary N-acetylgalactosamine linked to a double-stranded siRNA, enabling hepatocyte-specific uptake through ASGPR.

    “The chemical structure of Inclisiran includes a GalNAc-triantennary N-acetylgalactosamine linked to a double-stranded siRNA which enables hepatocyte-specific uptake through asialoglycoprotein receptors (ASGPR) [15, 16].”

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Research works printed but not linked: 1

  1. [87]Inclisiran for treating primary hypercholesterolaemia or mixed dyslipidaemia. Technology appraisal guidance [TA733].National Institute for Health and Care Excellence. October 6, 2021. Accessed September 1, 2022. https://www.nice.org.uk/guidance/ta733/chapter/1‐Recommendations 40802800

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Authors
Wilkinson, M. J., Bajaj, A., Brousseau, M. E., & Taub, P. R.
Affiliations
  • University of California San Diego (US)
  • University of Pennsylvania (US)
  • Cardiovascular and Metabolism Disease Area, Novartis Institutes for BioMedical Research Cambridge MA USA
Corresponding author
Taub, Pam R.
Venue
Journal of the American Heart Association
Published
2024-03-19
Volume
13
Issue
6
Pages
e032031-e032031
ISSN
2047-9980 (ISSN-L)
OpenAlex
W4392594886
Cited by
37
References
72
Citations by year
2026: 15 · 2025: 14 · 2024: 8
FWCI
4.10
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Journal of the American Heart Association (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by-nc)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Novartis Pharmaceuticals Corporation (GPP 2022)
Topics
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
Keywords
inclisiran, RNA interference, PCSK9, LDL cholesterol lowering, atherosclerotic cardiovascular disease, familial hypercholesterolemia, primary hyperlipidemia, statin therapy, drug development, clinical trials, drug safety and tolerability, cardiovascular outcomes
MeSH terms
Proprotein Convertase 9, PCSK9 Inhibitors, Anticholesteremic Agents, Cardiovascular Diseases, Cholesterol, Humans, Cholesterol, LDL, RNA Interference, RNA, Small Interfering

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