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PCSK9 inhibitors: Reducing annual drug prices from more than $14 000 to $4536 would be necessary to meet a $100 000 per QALY threshold per JAMA


PCSK9 inhibitors: Reducing annual drug prices from more than $14 000 to $4536 would be necessary to meet a $100 000 per QALY threshold per JAMA

Curator: Aviva Lev-Ari, PhD, RN

 

UPDATED on 6/21/2017

When Cholesterol Drugs Cost $14,000, an Insurance Tug-of-War – PCSK9 inhibitors

https://www.wsj.com/articles/when-cholesterol-drugs-cost-14-000-an-insurance-tug-of-war-1497889667

 

Our team has researched PCSK9 inhibitors as a class of drugs in the following articles:

 

Efficacy and Tolerability of PCSK9 Inhibitors by Patients with Muscle-related Statin Intolerance – New Cleveland Clinic study published in JAMA 4/2016

Curators: Larry H. Bernstein, MD, FCAP and Aviva Lev-Ari, PhD, RN

https://pharmaceuticalintelligence.com/2016/04/03/efficacy-and-tolerability-of-pcsk9-inhibitors-by-patients-with-muscle-related-statin-intolerance-new-cleveland-clinic-study-published-in-jama-42016/

 

FDA ask Regeneron and Sanofi to assess potential Neurocognitive Side Effects of Alirocumab, PCSK9 inhibitors Class Designed to Block a Protein causing Persistence of “bad” LDL Cholesterol in the Bloodstream

Reporter & Curator: Aviva Lev-Ari, PhD, RN

https://pharmaceuticalintelligence.com/2014/03/07/fda-ask-regeneron-and-sanofi-to-assess-potential-neurocognitive-side-effects-of-alirocumab-pcsk9-inhibitors-class-designed-to-block-a-protein-causing-persistence-of-bad-ldl-cholesterol-in-the-blo/

 

SNPs in apoE are found to influence statin response significantly. Less frequent variants in PCSK9 and smaller effect sizes in SNPs in HMGCR

Reporter: Aviva Lev-Ari, PhD, RN

https://pharmaceuticalintelligence.com/2014/01/02/snps-in-apoe-are-found-to-influence-statin-response-significantly-less-frequent-variants-in-pcsk9-and-smaller-effect-sizes-in-snps-in-hmgcr/

 

Two Mutations, in the PCSK9 Gene: Eliminates a Protein involved in Controlling LDL Cholesterol

Reporter: Aviva Lev-Ari, PhD, RN

https://pharmaceuticalintelligence.com/2013/04/15/two-mutations-in-a-pcsk9-gene-eliminates-a-protein-involve-in-controlling-ldl-cholesterol/

 

Targeting Cardio-Metabolic Diseases and Metabolomics in Drug Discovery – CHI’s 14th Annual Discovery On Target September 19-22, 2016 | Westin Boston Waterfront — Boston, MA

Reporter: Aviva Lev-Ari, PhD, RN

https://pharmaceuticalintelligence.com/2016/06/13/targeting-cardio-metabolic-diseases-and-metabolomics-in-drug-discovery-chis-14th-annual-discovery-on-target-september-19-22-2016-westin-boston-waterfront-boston-ma/

Triglycerides: Is it a Risk Factor or a Risk Marker for Atherosclerosis and Cardiovascular Disease ? The Impact of Genetic Mutations on (ANGPTL4) Gene, encoder of (angiopoietin-like 4) Protein, inhibitor of Lipoprotein Lipase

Reporters, Curators and Authors: Aviva Lev-Ari, PhD, RN and Larry H. Bernstein, MD, FCAP

https://pharmaceuticalintelligence.com/2016/03/13/triglycerides-is-it-a-risk-factor-or-a-risk-marker-for-atherosclerosis-and-cardiovascular-disease-the-impact-of-genetic-mutations-on-angptl4-gene-encoder-of-angiopoietin-like-4-protein-that-in/

 

New study in JAMA demonstrates lack of cost effectiveness and extra burden on Health Care Costs associated with PCSK9 Inhibitor Therapy

 

Original Investigation |

Cost-effectiveness of PCSK9 Inhibitor Therapy in Patients With Heterozygous Familial Hypercholesterolemia or Atherosclerotic Cardiovascular Disease

Dhruv S. Kazi, MD, MSc, MS1,2,3,4,5; Andrew E. Moran, MD, MPH6,7; Pamela G. Coxson, PhD1,2,8; Joanne Penko, MS, MPH1,2; Daniel A. Ollendorf, PhD9; Steven D. Pearson, MD, MSc9; Jeffrey A. Tice, MD2; David Guzman, MSPH1; Kirsten Bibbins-Domingo, PhD, MD, MAS1,2,3,8
ABSTRACT

Importance  Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors were recently approved for lowering low-density lipoprotein cholesterol in heterozygous familial hypercholesterolemia (FH) or atherosclerotic cardiovascular disease (ASCVD) and have potential for broad ASCVD prevention. Their long-term cost-effectiveness and effect on total health care spending are uncertain.

Objective  To estimate the cost-effectiveness of PCSK9 inhibitors and their potential effect on US health care spending.

Design, Setting, and Participants  The Cardiovascular Disease Policy Model, a simulation model of US adults aged 35 to 94 years, was used to evaluate cost-effectiveness of PCSK9 inhibitors or ezetimibe in heterozygous FH or ASCVD. The model incorporated 2015 annual PCSK9 inhibitor costs of $14 350 (based on mean wholesale acquisition costs of evolocumab and alirocumab); adopted a health-system perspective, lifetime horizon; and included probabilistic sensitivity analyses to explore uncertainty.

Exposures  Statin therapy compared with addition of ezetimibe or PCSK9 inhibitors.

Main Outcomes and Measures  Lifetime major adverse cardiovascular events (MACE: cardiovascular death, nonfatal myocardial infarction, or stroke), incremental cost per quality-adjusted life-year (QALY), and total effect on US health care spending over 5 years.

Results  Adding PCSK9 inhibitors to statins in heterozygous FH was estimated to prevent 316 300 MACE at a cost of $503 000 per QALY gained compared with adding ezetimibe to statins (80% uncertainty interval [UI], $493 000-$1 737 000). In ASCVD, adding PCSK9 inhibitors to statins was estimated to prevent 4.3 million MACE compared with adding ezetimibe at $414 000 per QALY (80% UI, $277 000-$1 539 000). Reducing annual drug costs to $4536 per patient or less would be needed for PCSK9 inhibitors to be cost-effective at less than $100 000 per QALY. At 2015 prices, PCSK9 inhibitor use in all eligible patients was estimated to reduce cardiovascular care costs by $29 billion over 5 years, but drug costs increased by an estimated $592 billion (a 38% increase over 2015 prescription drug expenditures). In contrast, initiating statins in these high-risk populations in all statin-tolerant individuals who are not currently using statins was estimated to save $12 billion.

Conclusions and Relevance  Assuming 2015 prices, PCSK9 inhibitor use in patients with heterozygous FH or ASCVD did not meet generally acceptable incremental cost-effectiveness thresholds and was estimated to increase US health care costs substantially. Reducing annual drug prices from more than $14 000 to $4536 would be necessary to meet a $100 000 per QALY threshold.

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