New Novartis analyses for investigational inclisiran demonstrate consistently effective and sustained LDL-C reduction at month 17, regardless of age and gender
Pooled data analyses from Phase III ORION-9, -10 and -11 showed that inclisiran consistently reduced low-density lipoprotein cholesterol (LDL-C) by approximately 51% in both male and female adult patients and in three age categories1,2
Sustained LDL-C reduction with inclisiran was observed regardless of age or gender differences with two doses a year, after an initial dose and then again at three months; the overall trial dosing schedule was at months 1, 3 and then every 6 months up to month 171,2
LDL-C is the most readily modifiable risk factor for atherosclerotic cardiovascular disease (ASCVD), yet despite widespread statin use, 80% of high-risk patients do not reach guideline-recommended LDL-C targets3,4
Inclisiran recently received a positive CHMP opinion and recommendation for marketing authorization in Europe and is under review by the US Food and Drug Administration
Nov 13, 2020, 10:00 ET
EAST HANOVER, N.J., Nov. 13, 2020 /PRNewswire/ -- Novartis today announced results from two pooled post-hoc analyses of Phase III ORION-9, -10 and -11 trials, evaluating the impact of age and gender on the efficacy and safety of inclisiran, an investigational and potential first-in-class small interfering RNA (siRNA) for hyperlipidemia in adults with atherosclerotic cardiovascular disease (ASCVD) or heterozygous familial hypercholesterolemia (HeFH). The data showed that at month 17, inclisiran was well-tolerated and provided effective and sustained reduction in low-density lipoprotein cholesterol (LDL-C) when used in addition to other lipid-lowering therapies regardless of patients' age and gender1,2. During the trials, inclisiran was administered at months 1, 3 and then every 6 months up to month 17. Results were presented at the virtual American Heart Association Scientific Sessions 2020.
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"High LDL-C and other risk factors for ASCVD, as well as the potential for treatment side effects, may increase with age and differ by gender," said Kausik Ray, MD, ORION-11 trial principal investigator, Professor of Public Health at Imperial College London and Honorary Consultant Cardiologist at the Imperial College NHS Trust. "These data are important as they show that inclisiran, as a siRNA, has the potential to provide consistent efficacy and tolerability despite the cholesterol-lowering treatment challenges posed by age and gender with two doses a year after the initial dosing regimen on day 1 and month 3."
In post-hoc analyses of the pooled results from the ORION Phase III trials in more than 3,600 patients, treatment with inclisiran delivered similar LDL-C reductions of approximately 51% from baseline for both women and men (50.6% vs 50.6%, respectively) compared to placebo1. Results from a second pooled analysis showed that inclisiran-treated patients in three age categories all achieved similar LDL-C reductions of approximately 51% (−51.3% <65 years; −49.9% ≥65 years to <75 years; −51.0% ≥75 years)2. In both analyses, inclisiran was well-tolerated1,2.
"Whether you look at it from an age or a gender perspective, inclisiran analyses continue to show consistency with effective and sustained LDL-C reduction lasting over the dosing interval," said David Soergel, MD, Global Head of Cardiovascular, Renal and Metabolic Drug Development, Novartis. "As we move forward in our journey to reimagine treatment for ASCVD, these data analyses reinforce the potential of inclisiran as a first-in-class siRNA treatment to transform LDL-C management with two doses a year, following the initial dose and another dose at three months, and a positive tolerability profile."
On Friday, October 16, 2020, the Committee for Medicinal Products for Human Use of the European Medicines Agency adopted a positive opinion and recommended granting marketing authorization for inclisiran. Novartis is anticipating a final regulatory decision in Europe in December 2020 and is under review by the US Food and Drug Administration.
About the pooled post-hoc analyses from Phase III ORION-9, -10 and -11 trials: age and gender
The pooled analyses include data from inclisiran's ORION-9, -10 and -11 trials, which were multicenter, double-blind, randomized, placebo-controlled,18-month studies evaluating inclisiran in patients with HeFH (ORION-9), ASCVD (ORION-10) and ASCVD or ASCVD risk equivalents (ORION-11) on statin therapy who required additional LDL-C lowering. The primary endpoints for these studies were percentage change in LDL-C from baseline to 17 months and time-adjusted percentage change in LDL-C from baseline between 3 months and up to 18 months. The primary endpoints were achieved in all three studies5-7.
The pooled analyses assessed inclisiran's efficacy for lowering LDL-C, as well as safety and tolerability, across age ranges and by gender1,2.
Impact of age on the efficacy of inclisiran vs placebo (<65 years; ≥65 years to <75 years; ≥75 years)2:
- Percentage change between inclisiran and placebo in LDL-C at month 17 was similar across all ages: −51.3% (<65 years), −49.9% (≥65 years to <75 years), −51.0% (≥75 years)
- Time-adjusted percentage LDL-C change between inclisiran and placebo at month 18 was similar across all ages: −49.6% (<65 years), −51.5% (≥65 years to <75 years), −50.8% (≥75 years)
Impact of gender on the efficacy of inclisiran vs placebo1:
- Percentage change between inclisiran and placebo in LDL-C at month 17 was consistent across women and men at −50.6% and −50.6%, respectively
- Time-adjusted LDL-C change between inclisiran and placebo at month 18 was consistent across women and men at −50.5% and −50.6%, respectively
Across both analyses, inclisiran was reported to be well-tolerated, irrespective of age or gender. Injection site reactions (ISRs) were more frequent in female vs male patients and in the <65 population vs elder patients; all ISRs were transient and mild or moderate in terms of severity.
About the Phase III ORION-9, -10 and -11 trials
ORION-9 evaluated 482 patients with clinical or genetic evidence of HeFH. For the primary endpoints of ORION-9, inclisiran delivered mean placebo-adjusted percentage change in LDL-C reductions of 48% (P<.0001) at 17 months and demonstrated time-adjusted percentage change in LDL-C reductions of 44% (P<.0001) from 3 through 18 months5. ORION-10 evaluated 1,561 participants with ASCVD6. In this trial, inclisiran delivered placebo-adjusted LDL-C reductions of 52% (P<.001) at 17 months and demonstrated time-adjusted placebo-adjusted LDL-C reductions of 54% (P<.001) from three months through 18 months6. ORION-11 evaluated 1,617 patients with ASCVD or ASCVD risk equivalents6. In this trial, inclisiran delivered placebo-adjusted LDL-C reductions of 50% (P<.001) at 17 months and demonstrated time-adjusted LDL-C reductions of 49% (P<.001) from three months through 18 months. The international trial was conducted at 70 sites in seven countries6.
In the Phase III trials, inclisiran was reported to be well-tolerated with a safety profile shown to be comparable to placebo. The most common adverse reactions reported (≥3% of patients treated with inclisiran and occurring more frequently than placebo) were injection site reaction, arthralgia, urinary tract infection, diarrhea, bronchitis, pain in extremity and dyspnea. Adverse events at the injection site were generally mild and none were severe or persistent6,7.
Inclisiran (KJX839), an investigational cholesterol-lowering treatment, was added to the Novartis pipeline through acquisition of The Medicines Company. If approved in the US, inclisiran will be the first and only small interfering RNA (siRNA), pioneering a new class of therapies that works differently from any other currently approved cholesterol treatment8. It is intended to be administered by a healthcare professional by subcutaneous injection with an initial dose, again at three months and then every six months thereafter. Its twice-yearly dosing by subcutaneous injection may integrate seamlessly into a patient's healthcare routine. As a siRNA, inclisiran is designed to harness the body's natural process of removing LDL-C from the bloodstream9,10. Inclisiran is a double-stranded siRNA joined to a sugar-like molecule (GalNAc) that targets and enables specific liver cells to absorb it9,10. Once inside these liver cells, inclisiran silences the production of the PCSK9 protein and thereby increases the number of LDL-C receptors on the surface of the cells9,10. With more LDL-C receptors on their surface, the liver cells are better able to remove LDL-C from the bloodstream9,10.
Novartis has obtained global rights to develop, manufacture and commercialize inclisiran under a license and collaboration agreement with Alnylam Pharmaceuticals, a leader in RNAi therapeutics.
About Novartis in cardiovascular-renal-metabolism
Bending the curve of life requires addressing some of society's biggest public health concerns. Novartis has an established and expanding presence in diseases covering the heart, kidney and metabolic system. In addition to essential treatment Entresto® (sacubitril/valsartan), Novartis has a growing pipeline of potentially first-in-class molecules addressing cardiovascular, metabolic and renal diseases.
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- Wright RS, Ray KK , Raal FJ, et al. Efficacy and safety of inclisiran according to sex: a pooled analysis of phase III studies (ORION 9, 10 And 11). ePoster presentation (P2253) at: AHA Scientific Sessions; November 2020.
- Wright RS, Ray KK , Raal FJ, et al. Efficacy and safety of inclisiran according to age: a pooled analysis of Phase III studies (ORION 9, 10 And 11). ePoster presentation (P2250) at: AHA Scientific Sessions; November 2020.
- Ference B, Graham I, Tokgozoglu L, Catapano AL. Impact of lipids on cardiovascular health: JACC health promotion series. J Am Coll Cardiol. 2018;72:1141-1156.
- Wong ND, Young D, Zhao Y, et al. Prevalence of the American College of Cardiology/American Heart Association statin eligibility groups, statin use, and low-density lipoprotein cholesterol control in US adults using the National Health and Nutrition Examination Survey 2011-2012. J Clin Lipidol. 2016;10(5):1109-1118.
- Raal FJ, Kallend D, Ray KK, et al. Inclisiran for the treatment of heterozygous familial hypercholesterolemia. N Engl J Med. 2020;382(16):1520-1530. doi:10.1056/NEJMoa1913805.
- Ray KK, Wright RS, Kallend D, et al. Two phase 3 trials of inclisiran in patients with elevated LDL cholesterol. N Engl J Med. 2020;382:1507-1519. doi:10.1056/NEJMoa1912387.
- Clinicaltrials.gov. ORION -9, -10, -11. Accessed October 21, 2020. https://www.clinicaltrials.gov/ct2/show/NCT03397121; https://clinicaltrials.gov/ct2/show/NCT03399370; https://www.clinicaltrials.gov/ct2/show/NCT03400800.
- Stoekenbroek RM, Kallend D, Wijngaard PL, Kastelein JJ. Inclisiran for the treatment of cardiovascular disease: the ORION clinical development program. Future Cardiol. 2018;14(6):433-442.
- Khvorova A. Oligonucleotide therapeutics-a new class of cholesterol-lowering drugs. N Engl J Med. 2017;376(1):4-7.
- Kosmas CE, Muñoz Estrella A, Sourlas A, et al. Inclisiran: a new promising agent in the management of hypercholesterolemia. Diseases. 2018;6(3):63.
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