Evidence mapPaperPMID 38874875Full record

ArticleBioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy2024

Postmarketing Reports of Incomplete Dosing-Related Complications with Self-Injected PCSK9 Inhibitors: A Descriptive Study and Disproportionality Analysis.

Richard H Woods

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Article in BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Richard H WoodsLevin, Papantonio, Rafferty, Proctor, Buchanan, O'Brien, Barr and Mougey, P.A., 316 South Baylen Street, Pensacola, FL, 32502, USA. rwoods@levinlaw.com.ORCID http://orcid.org/0000-0001-9583-9105

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6 · The paper itself

Abstract

backgroundEvolocumab and alirocumab are self-injected proprotein convertase subtilisin kexin type 9 (PCSK9) inhibitors indicated for low-density lipoprotein cholesterol reduction. Complications in the use or functionality of self-injection devices may precipitate incomplete dosing.

objectiveThis study sought to characterize postmarketing dosing failure reports involving self-injected PCSK9 inhibitors.

methodsUS Food and Drug Administration Adverse Event Reporting System (FAERS) [2016-second quarter of 2023] data were utilized for a disproportionality analysis. Eight self-injected comparator medications served as referents. Medical Dictionary for Regulatory Activities preferred terms indicating explicit or probable failure to administer a complete dose classified cases. Proportional reporting ratios (PRRs) > 2.0 and lower 95% confidence intervals (CIs) > 1.0 indicated disproportionality signals. US FDA Manufacturer and User Facility Device Experience (MAUDE) [2013-2023] data underwent a narrative review.

resultsDuring the study period, 194,781 (evolocumab, n = 152,831; alirocumab, n = 41,950) drug-event pairs and 43,725 (evolocumab, n = 38,489; alirocumab, n = 5236) cases reported to FAERS identified PCSK9 inhibitors. MAUDE contained six evolocumab reports, half describing dose omission, and no alirocumab reports. A potential dosing failure signal was detected for evolocumab (PRR 2.01; 95% CI 1.98-2.03), but not alirocumab (PRR 0.99; 95% CI 0.97-1.02), relative to pooled comparator reports. Across three case term subcategories, incomplete dosing disproportionality signals were further identified for evolocumab patient usage complication terms (PRR 3.44; 95% CI 3.38-3.50) and alirocumab device malfunction terms (PRR 2.09; 95% CI 1.98-2.22).

conclusionsProprotein convertase subtilisin kexin type 9 inhibitor incomplete dosing-related complications are frequently reported in the postmarketing setting. Systematic efforts to understand the incidence and mechanisms of dosing failure and associated patient burdens are needed.

Indexed as

Adverse Drug Reaction Reporting SystemsAntibodies, Monoclonal, HumanizedPCSK9 InhibitorsProduct Surveillance, PostmarketingAnticholesteremic AgentsCholesterol, LDLFemaleHumansMaleMiddle AgedProprotein Convertase 9United StatesUnited States Food and Drug AdministrationalirocumabAntibodies, Monoclonal, HumanizedAnticholesteremic AgentsCholesterol, LDLevolocumabPCSK9 InhibitorsPCSK9 protein, humanProprotein Convertase 9

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.