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1.
Front Cardiovasc Med ; 11: 1417432, 2024.
Article in English | MEDLINE | ID: mdl-39359642

ABSTRACT

Background: Familial hypercholesterolemia (FH) is a serious genetic condition that results in abnormally high levels of low-density lipoprotein cholesterol (LDL-C) in the bloodstream, significantly increasing the risk of early onset of cardiovascular disease. The heterozygous form of FH (HeFH) is widespread, affecting around 1 in 500 people worldwide. Case report: In this clinical report, we present the case of a patient who suffers from HeFH due to a mutation in the LDL receptor (LDLR) gene. A woman exhibited intolerance to statin therapy and did not attain adequate reduction in low-density lipoprotein cholesterol (LDL-C) levels on ezetimibe monotherapy. Genetic testing confirmed the presence of a pathogenic variant for FH with the deletion of exons 7-14. The administration of alirocumab (a dose of 150 mg sc) as the primary therapy did not exhibit the desired therapeutic outcome. Consequently, the patient was given inclisiran therapy (a dose of 284 mg sc), which significantly reduced LDL cholesterol levels after 3 months of treatment and during the 1-year follow-up. Conclusion: Inclisiran therapy has shown promising results for individuals with HeFH who experience statin intolerance. This therapy works by using a small interfering RNA (siRNA) to target the mRNA of proprotein convertase subtilisin/kexin type 9 (PCSK9), which leads to a significant reduction of LDL-C levels. This approach can be an alternative for patients without significant reductions in LDL-C levels with PCSK9 inhibitor therapy. For HeFH patients with limited treatment options due to statin intolerance and genetic mutations, inclisiran can represent a promising therapeutic option.

2.
Curr Atheroscler Rep ; 2024 Oct 10.
Article in English | MEDLINE | ID: mdl-39384735

ABSTRACT

PURPOSE OF THE REVIEW: This review examines the pivotal role of monoclonal antibodies against PCSK9 in lipid-lowering therapy, emphasizing their biological and clinical impact. RECENT FINDINGS: Randomized controlled trials have validated that PCSK9 monoclonal antibodies (Mabs) effectively reduce LDL-c levels by approximately 50%, even when added to maximal statin therapy. They moreover produce a notable 15-20% relative decrease in major cardiovascular events, with a greater reduction among high-risk patients and no evidence for serious adverse effects, assuaging previous concerns. This review highlights the benefits of PCSK9 Mabs in high cardiovascular risk patients. Despite their efficacy and safety, these therapies are hindered by limited access, and require broader integration into clinical practice to optimize therapeutic outcomes.

3.
Lipids Health Dis ; 23(1): 313, 2024 Sep 27.
Article in English | MEDLINE | ID: mdl-39334296

ABSTRACT

BACKGROUND: Hypercholesterolemia has been identified as an independent predictor of cardiovascular disease (CVD). Inclisiran, an innovative small interfering RNA agent, is anticipated to result in a notable reduction of approximately 50% in low-density lipoprotein cholesterol (LDL-C) levels. Given its transformative impact, this study scrutinized the eligibility of the US population for inclisiran treatment and evaluated its potential effects on hypercholesterolemia and the primary prevention of CVD. METHODS: This study applied the eligibility criteria from the ORION 10 and 11 trials to the 1999-2018 National Health and Nutrition Examination Survey (NHANES) dataset to estimate the size of the eligible population for atherosclerotic cardiovascular disease (ASCVD) and ASCVD-risk equivalents. Utilizing the reduction in LDL-C levels from ORION 10, this study predicted the impact of inclisiran on LDL-C levels among ASCVD patients. Similarly, leveraging the changes in lipid levels from ORION 11, this study predicted inclisiran's effect on the 10-year change in CVD risk and preventable CVD events in the ASCVD-risk equivalents population, employing the Framingham CVD Risk Score. RESULTS: The study identified 579 ASCVD patients (5 million) and 382 ASCVD-risk equivalents (2.66 million) who met the eligibility criteria from ORION 10 and 11. Among the ASCVD population, 3.5 million (70.2%) would achieve a ≥ 50% reduction in LDL-C levels after treatment. Furthermore, 4.6 million (91.3%) would achieve LDL-C levels < 70 mg/dL, and 3.8 million (75%) would achieve LDL-C levels < 55 mg/dL after treatment. For the ASCVD-risk equivalents population, the estimated 10-year CVD risk would decrease from 25.3 to 17.7%, an absolute reduction of 7.6% and a relative reduction of 30% following inclisiran treatment, potentially preventing 202,353 CVD events over a decade, including 138,084 coronary heart disease cases, 37,351 strokes, and 23,894 congestive heart failure cases. CONCLUSIONS: Inclisiran has the potential to substantially reduce the prevalence of hypercholesterolemia and prevent nearly 200,000 CVD events in eligible US adults.


Subject(s)
Cardiovascular Diseases , Cholesterol, LDL , Hypercholesterolemia , Nutrition Surveys , Primary Prevention , Humans , Hypercholesterolemia/epidemiology , Hypercholesterolemia/blood , Cardiovascular Diseases/prevention & control , Cardiovascular Diseases/epidemiology , Cardiovascular Diseases/blood , Cholesterol, LDL/blood , Male , Female , Middle Aged , Adult , Aged , RNA, Small Interfering , Oligonucleotides/therapeutic use
4.
Expert Opin Drug Saf ; : 1-6, 2024 Sep 30.
Article in English | MEDLINE | ID: mdl-39323041

ABSTRACT

BACKGROUND: This study analyzed adverse events (AEs) associated with inclisiran using the FDA's Adverse Event Reporting System (FAERS) to detect and characterize relevant safety signals. METHODS: We retrospectively extracted AE reports from the FAERS database spanning Q1 2022 to Q2 2024. Four disproportionality analysis algorithms were employed to identify AE signals for inclisiran, with subsequent comparisons made to PCSK9 monoclonal antibodies (alirocumab/evolocumab). Additionally, we examined the characteristics and onset timing of inclisiran-related AE. RESULTS: A total of 4,122 reports of inclisiran as the 'primary suspected'. Compared with all other drugs, the most significant system organ class (SOC) was 'musculoskeletal and connective tissue disorders' (ROR = 3.64, PRR = 3.19) and the most common SOC was 'general disorders and administration site conditions' (n = 2,769). These two SOCs were more strongly with inclisiran than evolocumab. At the preferred term level, strong signals were detected for cellulitis gangrenous (ROR = 101.29, PRR = 101.27, IC = 6.54, EBGM = 92.91) and bladder discomfort (ROR = 12.61, PRR = 12.61, IC = 3.64, EBGM = 12.48). The median onset time for inclisiran-related AEs was 43 days (interquartile range: 7-99 days). CONCLUSIONS: This study enhanced our understanding of AEs to inclisiran. Future research on its long-term real-world use will offer insights into its safety.

5.
Expert Opin Pharmacother ; 25(13): 1795-1805, 2024 Sep.
Article in English | MEDLINE | ID: mdl-39286934

ABSTRACT

INTRODUCTION: Dyslipidemia plays a crucial role in the development of atherosclerotic cardiovascular diseases. AREAS COVERED: This article explores the emerging therapeutic targets for the treatment of dyslipidemia and provides novel insights into this field. Thus, it aims to contribute to the understanding and advancement of therapeutic options for managing dyslipidemia. EXPERT OPINION: Optimizing the use of available first- and second-line lipid-lowering drugs allows us to adequately control low-density lipoprotein cholesterol (LDL-C) levels, even in statin-intolerant individuals and in patients at high and very high risk of developing cardiovascular diseases who must reach more aggressive LDL-C targets. The drugs under development will further improve our ability to manage the overall lipid-related cardiovascular disease risk and target other dyslipidemia biomarkers.


Subject(s)
Cardiovascular Diseases , Cholesterol, LDL , Drug Development , Dyslipidemias , Hypolipidemic Agents , Humans , Dyslipidemias/drug therapy , Hypolipidemic Agents/therapeutic use , Cholesterol, LDL/blood , Cardiovascular Diseases/drug therapy , Cardiovascular Diseases/prevention & control , Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Atherosclerosis/drug therapy , Animals
6.
J Clin Lipidol ; 2024 Jul 27.
Article in English | MEDLINE | ID: mdl-39322525

ABSTRACT

Inclisiran is a novel small interfering RNA targeting proprotein convertase subtilisin/kexin type 9 (PCSK9) that was approved by the US FDA in December 2021. After two doses three months apart, it is administered biannually as a subcutaneous injection and has been shown to lower LDL-C by ∼50 % in clinical trials. Here, we present real-world data on the prescription and administration of inclisiran at the University of Pennsylvania Health Systems. Over a 2-year period, there were 243 patients who were prescribed inclisiran, of whom 153 were approved by insurance and initiated therapy. Approved patients were disproportionately Medicare enrollees and more likely to have a history of ASCVD. Mean post-treatment LDL-C for patients who received at least two doses was 74.7 ± 45.6 mg/dL. For patients new to PCSK9-targeted therapy, a reduction in LDL-C of ∼50 % was observed after initiating inclisiran, supporting clinical trial results. 60 % of patients with ASCVD achieved an LDL-C level of <70 mg/dL after adding inclisiran.

7.
Int J Clin Pharm ; 2024 Aug 27.
Article in English | MEDLINE | ID: mdl-39192158

ABSTRACT

BACKGROUND: Inclisiran, the newest lipid-lowering drug, has not shown significant safety problems in major clinical studies. However, its recent market introduction and limited clinical use have produced few reports of adverse reactions, leaving a comprehensive understanding of its long-term safety yet to be established. AIM: The aim of the study was to conduct a signal detection analysis of adverse events (AEs) associated with inclisiran using FDA Adverse Event Reporting System (FAERS) datasets. METHOD: Data on AEs associated with inclisiran were collected from the FAERS database from 2021 to 2023. Signal detection was conducted using the reporting odds ratio (ROR) and the information component (IC). The analysis was standardized using the Medical Dictionary for Regulatory Activities (MedDRA) and focused on System Organ Classes (SOCs) and Preferred Terms. RESULTS: Of 17,307,196 AE reports, 2976 were relevant to inclisiran. The male-to-female ratio of these events was 0.74:1, predominantly in patients aged 45 to 74 years. A total of 102 AE signals associated with inclisiran were identified in 15 SOCs. Among these, 86 involved muscle injuries, liver injuries, diabetes, neurocognitive dysfunction, and other events not listed on the drug label. CONCLUSION: The findings confirm all AEs documented on the drug label and in current clinical trials while also revealing new AEs such as muscle pain, elevated liver enzymes, increased blood glucose levels, and neurocognitive dysfunction. This study contributes to real-world research data, providing valuable references for rational drug use.

8.
Expert Opin Drug Saf ; : 1-6, 2024 Aug 12.
Article in English | MEDLINE | ID: mdl-39129531

ABSTRACT

BACKGROUND: Randomized clinical trials have reported some safety profiles in inclisiran, but adverse events in real-world remain insufficient. We aim to evaluate the safety of inclisiran in real-world by collecting the data from the FDA Adverse Event Reporting System database. METHODS: Disproportionality analysis was performed by utilizing both Frequency method and Bayesian method to mine adverse event signals of inclisiran. A positive signal was deemed significant when adverse event met the criteria of the aforementioned methods simultaneously. RESULTS: We gathered a total of 2309 adverse event reports. Among these cases, adverse events were more common in females and ≥ 65 years age group. After data analysis, 51 positive signals from 11 system organ classes were identified, involving "Musculoskeletal and connective tissue disorders," "General disorders and administration site conditions," "Gastrointestinal disorders," etc. At the preferred term level, the top three frequently reported adverse events were arthralgia, injection site pain and myalgia. We also found some uncommon but significantly strong adverse event signals (bladder discomfort and sinus pain) which should be taken prudently. CONCLUSIONS: In this study, we analyzed the real-world adverse events of inclisiran more comprehensively and reported some new adverse events, hoping that can offer more safety information for clinical medication.

9.
Medicina (Kaunas) ; 60(7)2024 Jul 12.
Article in English | MEDLINE | ID: mdl-39064553

ABSTRACT

Background and Objectives: Lowering low-density lipoprotein (LDL-C) levels is critical for preventing atherosclerotic cardiovascular disease, yet some patients fail to reach the LDL-C targets despite available intensive lipid-lowering therapies. This study assessed the effectiveness and safety profile of alirocumab, evolocumab, and inclisiran in lipid reduction. Materials and Methods: A cohort of 51 patients (median (Q1-Q3) age: 49.0 (39.5-57.5) years) was analyzed. Eligibility included an LDL-C level > 2.5 mmol/L while on the maximum tolerated dose of statin and ezetimibe, a diagnosis of familial hypercholesterolemia, or a very high risk of cardiovascular diseases following myocardial infarction within 12 months prior to the study. Follow-ups and lab assessments were conducted at baseline (51 patients), 3 months (51 patients), and 15 months (26 patients) after the treatment initiation. Results: Median initial LDL-C levels 4.1 (2.9-5.0) mmol/L, decreasing significantly to 1.1 (0.9-1.6) mmol/L at 3 months and 1.0 (0.7-1.8) mmol/L at 15 months (p < 0.001). Total cholesterol also reduced significantly compared to baseline at both intervals (p < 0.001). No substantial differences in LDL-C or total cholesterol levels were observed between 3- and 15-month observations (p > 0.05). No statistically significant differences were noted in cholesterol reduction among the alirocumab, evolocumab, and inclisiran groups at 3 months. The safety profile was favorable, with no reported adverse cardiovascular events or significant changes in alanine transaminase, creatinine, or creatine kinase levels. Conclusions: Alirocumab, evolocumab, and inclisiran notably decreased LDL-C and total cholesterol levels without significant adverse effects, underscoring their potential as effective treatments in patients who do not achieve lipid targets with conventional therapies.


Subject(s)
Antibodies, Monoclonal, Humanized , Anticholesteremic Agents , Cardiovascular Diseases , Cholesterol, LDL , Hypercholesterolemia , Humans , Antibodies, Monoclonal, Humanized/therapeutic use , Male , Female , Middle Aged , Hypercholesterolemia/drug therapy , Hypercholesterolemia/complications , Hypercholesterolemia/blood , Anticholesteremic Agents/therapeutic use , Adult , Cardiovascular Diseases/prevention & control , Cholesterol, LDL/blood , Antibodies, Monoclonal/therapeutic use , Treatment Outcome , Cohort Studies , RNA, Small Interfering
10.
Front Cardiovasc Med ; 11: 1375040, 2024.
Article in English | MEDLINE | ID: mdl-39040999

ABSTRACT

Background: Atherosclerotic cardiovascular disease (ASCVD), a leading cause of global fatalities, has inconsistent findings regarding the impact of muscle symptoms despite promising clinical trials involving PCSK9 inhibitors (PCSK9i) and siRNA as potential therapeutic options. Methods: The databases EMBASE, PubMed, Web of Science, Cochrane, and ClinicalTrials.gov were thoroughly searched without any restrictions on language. Review Manager 5.3 software was utilized to calculate relative risks with 95% confidence intervals (CIs) for dichotomous data and mean differences or standardized mean differences with 95%CIs for continuous data. To evaluate publication bias, Egger's test was employed using Stata/SE software. Results: This analysis included 26 studies comprising 28 randomized controlled trials (RCTs) involving a total of 100,193 patients, and 4 different lipid-lowering therapy combinations. For events with creatine kinase >3ULN, evolocumab and alirocumab demonstrated significant advantages compared to inclisiran. Evolocumab showed the best results in terms of both new muscle symptom events and creatine kinase >3ULN. Conclusions: Based on this network meta-analysis (NMA) results, evolocumab has emerged as a promising treatment option for patients with hyperlipidemia and muscle disorders compared to other PCSK9 inhibitors and inclisiran. Systematic Review Registration: PROSPERO [CRD42023459558].

11.
Aust Prescr ; 47(3): 98-99, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38962388
12.
Cureus ; 16(6): e63078, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38919858

ABSTRACT

Cardiovascular diseases are the leading causes of global mortality and morbidity. Hyperlipidemia is a significant risk factor for atherosclerosis and subsequent cardiovascular diseases. Hyperlipidemia is characterized by imbalances in blood cholesterol levels, particularly elevated low-density lipoprotein cholesterol and triglycerides, and is influenced by genetic and environmental factors. Current management consists of lifestyle modifications and pharmacological interventions most commonly consisting of statins. This review paper explores pathophysiology, management strategies, and pharmacotherapies including commonly used well-established medications including statins, fibrates, and ezetimibe, exciting novel therapies including proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, and RNA interference therapies (inclisiran), lomitapide, and bempedoic acid, highlighting their mechanisms of action, clinical efficacy, and safety profiles. Additionally, emerging therapies under clinical trials including ApoC-III inhibitors, DGAT2 inhibitors, ACAT2 Inhibitors, and LPL gene therapies are examined for their potential to improve lipid homeostasis and cardiovascular outcomes. The evolving landscape of hyperlipidemia management underscores the importance of continued research into both established therapies and promising new candidates, offering hope for more effective treatment strategies in the future.

13.
J Clin Lipidol ; 2024 May 24.
Article in English | MEDLINE | ID: mdl-38908973

ABSTRACT

BACKGROUND: Inclisiran, a small-interfering RNA enabling long-term inhibition of PCSK9 synthesis, demonstrates good safety and efficacy profile in clinical trials. Real-world data on the potential to attain lipid-goals and reduce treatment gaps is lacking. OBJECTIVES: To investigate the implementation of inclisiran in real-world clinical setting. METHODS: Data from a nationwide healthcare organization on patients initiating inclisiran between 3/2022-11/2023. Patients' characteristics, lipid-lowering therapies, post-treatment reduction in low-density lipoprotein cholesterol (LDL-C), and attainment of treatment goals, were evaluated. RESULTS: Inclisiran was initiated by 503 patients (57 % women; mean age 66±11 years). Cardiovascular disease was present in 54 %, and peak LDL-C levels >190 mg/dL documented in 64 %. Prior exposure to PCSK9 monoclonal antibodies was evident in 28 %. Lipid profile >2 months after filling first prescription, was available in 397 patients (347 with ≥2 injections). In patients treated by inclisiran only (n = 254), median LDL-C reduction from peak levels was 57 % (IQR, 48 %-67 %), and from pre-injection levels 40 % (19 %-54 %). In those with concomitant lipid-lowering therapies (n = 143), median LDL-C reduction from peak levels was 66 % (IQR, 55 %-73 %), and from pre-injection levels 46 % (23 %-59 %). LDL-C < 70 mg/dL was attained by 39 % and LDL-C < 55 mg/dL by 21.9 %. Of those treated with concomitant statin therapy, 38 % attained LDL-C < 55 mg/dL. Overall, 6.5 % discontinued inclisiran therapy after initial injection. CONCLUSIONS: In real-world practice, inclisiran showed good efficacy in reducing LDL-C with high interindividual variability. However, attainment rates of lipid-goals were suboptimal due to limited use of combination lipid-lowering therapy and high-rates of severe hypercholesterolemia in our patient population cohort.

14.
Eur Heart J Suppl ; 26(Suppl 1): i56-i59, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38867860

ABSTRACT

Statins have improved the potential to prevent cardiovascular disease events and to prolong the lives of patients. Statins, among the most widely used drugs worldwide, reduce the levels of low-density lipoprotein cholesterol (LDL-C) by an average of 30-50%. However, non-adherence to statin therapy, due to statin intolerance, might be as high as 60% after 24 months of treatment and is associated with a 70% increase in the risk of cardiovascular disease events. Statin intolerance can be classified as a complete inability to tolerate any dose of a statin or a partial intolerance with the inability to tolerate the dose necessary to achieve the patient-specific therapeutic objective. Reasons for discontinuation are many, with statin-associated muscle symptoms being cited as the most frequent reason for stopping therapy and the incidence of muscle symptoms increasing with treatment intensity. Considering the causal effect of LDL-C in the atherosclerotic process, clinicians should consider that regardless of the lipid-lowering drugs patients are willing to take, any reduction in LDL-C they achieve will afford them some benefit in reducing cardiovascular risk. Besides statins, the current therapeutic armamentarium offers different strategies to reach LDL-C targets in statin-intolerant patients (i.e. a fixed combination between a lower dose of statin plus ezetimibe, bempedoic acid, or proprotein convertase subtilisin/kexin type 9 inhibition).

15.
Cardiovasc Res ; 120(12): 1400-1410, 2024 Oct 14.
Article in English | MEDLINE | ID: mdl-38753448

ABSTRACT

AIMS: Data describing the long-term efficacy and tolerability of inclisiran are limited. This was explored in ORION-8, an open-label extension of preceding Phase 2 and Phase 3 placebo-controlled and open-label extension trials. METHODS AND RESULTS: Following completion of the parent trial, adult patients with atherosclerotic cardiovascular disease (ASCVD), ASCVD risk equivalent, or heterozygous familial hypercholesterolaemia received open-label inclisiran twice yearly (after initial and 3-month doses) until Day 990, followed by an end-of-study visit at Day 1080 or ≥ 90 days after the last dose. The study endpoints included the proportion of patients achieving pre-specified low-density lipoprotein cholesterol (LDL-C) goals [ASCVD: < 1.8 mmol/L (< 70 mg/dL); ASCVD risk equivalent: < 2.6 mmol/L (< 100 mg/dL)], percentage and absolute changes in LDL-C at end-of-study, and safety of inclisiran. Of 3274 patients, 2446 (74.7%) were followed until end-of-study. Mean age was 64.9 ± 9.9 years, 82.7% (n = 2709) had ASCVD, and mean baseline LDL-C was 2.9 ± 1.2 mmol/L. Mean cumulative exposure to inclisiran (including parent trials) was 3.7 years; maximum exposure was 6.8 years. With inclisiran, 78.4% [95% confidence interval (CI): 76.8, 80.0] of patients achieved pre-specified LDL-C goals and mean percentage change in LDL-C was -49.4% (95% CI: -50.4, -48.3). No attenuation of LDL-C lowering over time was observed. Treatment-emergent adverse events at injection site (all mild/moderate) occurred in 5.9% of the patients. Inclisiran-associated anti-drug antibodies were infrequent (5.5%) and had no impact on the efficacy or safety of inclisiran. No new safety signals were identified. CONCLUSION: In the largest and longest follow-up to date with >12 000 patient-years exposure, inclisiran demonstrated consistent and effective LDL-C lowering with a favourable long-term safety and tolerability profile. TRIAL REGISTRATION NUMBER: ClinicalTrials.gov identifier: NCT03814187.


Subject(s)
Biomarkers , Cholesterol, LDL , Hyperlipoproteinemia Type II , Humans , Cholesterol, LDL/blood , Male , Middle Aged , Female , Treatment Outcome , Aged , Time Factors , Biomarkers/blood , Hyperlipoproteinemia Type II/blood , Hyperlipoproteinemia Type II/drug therapy , Hyperlipoproteinemia Type II/diagnosis , Hyperlipoproteinemia Type II/genetics , Anticholesteremic Agents/adverse effects , Anticholesteremic Agents/therapeutic use , Anticholesteremic Agents/administration & dosage , Down-Regulation , PCSK9 Inhibitors , Proprotein Convertase 9 , RNA, Small Interfering
16.
Expert Opin Drug Discov ; 19(7): 773-782, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38804735

ABSTRACT

INTRODUCTION: Atherosclerotic cardiovascular disease (ASCVD) remains a leading cause of global morbidity and mortality. Lipid lowering therapy (LLT) constitutes the cornerstone of ASCVD prevention and treatment. However, several patients fail to achieve therapeutic goals due to low treatment adherence or limitations of standard-of-care (SoC) LLTs. Inclisiran represents a pivotal low-density lipoprotein cholesterol (LDL-C) lowering agent aiming to address current unmet needs in LLT. It is the first available small interfering RNA (siRNA) LLT, specifically targeting PCSK9 mRNA and leading to post-transcriptional gene silencing (PTGS) of the PCSK9 gene. AREAS COVERED: Promising phase III trials revealed an ~ 50% reduction in LDL-C levels with subcutaneous inclisiran administration on days 1 and 90, followed by semiannual booster shots. Coupled with inclisiran's favorable safety profile, these findings led to its approval by both the EMA and FDA. Herein, the authors highlight the preclinical discovery and development of this agent and provide the reader with their expert perspectives. EXPERT OPINION: The evolution of gene-silencing treatments offers new perspectives in therapeutics. Inclisiran appears to have the potential to revolutionize ASCVD prevention and treatment, benefiting millions of patients. Ensuring widespread availability of Inclisiran, as well as managing additional healthcare costs that may arise, should be of paramount importance.


Subject(s)
Atherosclerosis , Cholesterol, LDL , Drug Development , RNA, Small Interfering , Humans , Atherosclerosis/drug therapy , Animals , RNA, Small Interfering/administration & dosage , Cholesterol, LDL/blood , Proprotein Convertase 9/genetics , Proprotein Convertase 9/metabolism , Anticholesteremic Agents/pharmacology , Anticholesteremic Agents/administration & dosage , Gene Silencing , Drug Discovery
19.
J Am Coll Cardiol ; 83(20): 1939-1952, 2024 May 21.
Article in English | MEDLINE | ID: mdl-38593947

ABSTRACT

BACKGROUND: Most patients with atherosclerotic cardiovascular disease fail to achieve guideline-directed low-density lipoprotein cholesterol (LDL-C) goals. Twice-yearly inclisiran lowers LDL-C by ∼50% when added to statins. OBJECTIVES: This study evaluated the effectiveness of an "inclisiran first" implementation strategy (adding inclisiran immediately upon failure to reach LDL-C <70 mg/dL despite receiving maximally tolerated statins) vs representative usual care in U.S. patients with atherosclerotic cardiovascular disease. METHODS: VICTORION-INITIATE, a prospective, pragmatically designed trial, randomized patients 1:1 to inclisiran (284 mg at days 0, 90, and 270) plus usual care (lipid management at treating physician's discretion) vs usual care alone. Primary endpoints were percentage change in LDL-C from baseline and statin discontinuation rates. RESULTS: We randomized 450 patients (30.9% women, 12.4% Black, 15.3% Hispanic); mean baseline LDL-C was 97.4 mg/dL. The "inclisiran first" strategy led to significantly greater reductions in LDL-C from baseline to day 330 vs usual care (60.0% vs 7.0%; P < 0.001). Statin discontinuation rates with "inclisiran first" (6.0%) were noninferior vs usual care (16.7%). More "inclisiran first" patients achieved LDL-C goals vs usual care (<70 mg/dL: 81.8% vs 22.2%; <55 mg/dL: 71.6% vs 8.9%; P < 0.001). Treatment-emergent adverse event (TEAE) and serious TEAE rates compared similarly between treatment strategies (62.8% vs 53.7% and 11.5% vs 13.4%, respectively). Injection-site TEAEs and TEAEs causing treatment withdrawal occurred more commonly with "inclisiran first" than usual care (10.3% vs 0.0% and 2.6% vs 0.0%, respectively). CONCLUSIONS: An "inclisiran first" implementation strategy led to greater LDL-C lowering compared with usual care without discouraging statin use or raising new safety concerns. (A Randomized, Multicenter, Open-label Trial Comparing the Effectiveness of an "Inclisiran First" Implementation Strategy to Usual Care on LDL Cholesterol [LDL-C] in Patients With Atherosclerotic Cardiovascular Disease and Elevated LDL-C [≥70 mg/dL] Despite Receiving Maximally Tolerated Statin Therapy [VICTORION-INITIATE]; NCT04929249).


Subject(s)
Atherosclerosis , Cholesterol, LDL , Hydroxymethylglutaryl-CoA Reductase Inhibitors , Aged , Female , Humans , Male , Middle Aged , Atherosclerosis/drug therapy , Cholesterol, LDL/blood , Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Oligonucleotides/therapeutic use , Prospective Studies , Treatment Outcome
20.
J Clin Med ; 13(7)2024 Mar 25.
Article in English | MEDLINE | ID: mdl-38610647

ABSTRACT

Cardiovascular diseases (CVDs) are a leading global cause of mortality and are primarily driven by atherosclerotic coronary artery disease. Their pathogenesis involves multi-factorial mechanisms, among which low-density lipoprotein (LDL) plays a causative role. Recent ESC/EAS guidelines advocate for a shift toward new risk estimation algorithms that better emphasize non-fatal cardiovascular events, lifetime risk prediction, and tailored pharmacological approaches, including statin + ezetimibe and triple therapy, in specific cases. Intensive lipid-lowering therapy has been shown to be pivotal, especially in post-acute coronary events. Intracoronary imaging has revealed insights into the composition of plaque and demonstrated the significant regression that can be achieved through the use of statins such as rosuvastatin and atorvastatin. The positive effects of Proprotein Convertase Subtilisin/Kexin type 9 (PCSK9) inhibitors, particularly alirocumab and evolocumab, on plaque regression, have been demonstrated. Inclisiran, which targets PCSK9 gene expression, significantly reduces LDL cholesterol. The associated challenges include hesitancy to prescribe intensive regimens and limited treatment adherence, highlighting the need for pharmacological combinations to improve therapeutic outcomes.

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