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Post-marketing safety-related regulatory actions on first-in-class drugs: A double-cohort study.

Abstract：

WHAT IS KNOWN AND OBJECTIVE:New first-in-class (FIC) drugs with novel mechanisms of action may be highly effective, but lack adequate safety information, and therefore may be associated with crucial post-marketing safety issues. The objective of this study was to evaluate the post-marketing risk of FIC drug with comparison occurrence of Post-marketing safety-related regulatory actions (PSRAs) due to FIC drugs to that due to other new drugs. METHODS:A full list of all new molecular entities and therapeutic biologics, except diagnostic agents and vaccines, which were approved in the United States between 1 January 2003, and 31 December 2013, were included in this study. Drugs with novel mechanisms of action at the time of approval were classified as the FIC cohort and other new drugs as the control cohort. PSRAs were defined as safety-related post-marketing withdrawal, new issuance or the addition of black box warnings. Specifically, we identified PSRAs associated with adverse drug reactions (ADR-PSRAs). Subsequently, we identified drug allergy ADR-PSRAs and class-effect ADR-PSRAs, and also extracted drug-specific ADR-PSRAs. To evaluate the post-marketing safety risk of FIC drugs, we estimated the odds ratio of the occurrence of ADR-PSRAs between the FIC cohort and the control cohort. RESULTS AND DISCUSSION:The odds ratio of the occurrence of all ADR-PSRA in the FIC cohort was 0.96 (95% CI: 0.57-1.61, P = .8758), showing no difference compared to that of the control cohort. However, the odds ratio of the occurrence of drug-specific ADR-PSRAs in the FIC cohort was 2.06 (95% CI: 1.20-3.55, P = .0091). WHAT IS NEW AND CONCLUSION:This study demonstrated that a strong relationship existed between FIC drugs and the occurrence of drug-specific ADR-PSRAs, suggesting that post-marketing safety risk for FIC drugs is higher than that for other new drugs given the same class at approval.

journal_name

J Clin Pharm Ther

journal_title

Journal of clinical pharmacy and therapeutics

authors

Ikeda J,Kaneko M,Narukawa M

doi

10.1111/jcpt.13096

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

496-502

issue

eissn

0269-4727

issn

1365-2710

journal_volume

pub_type

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Post-marketing safety-related regulatory actions on first-in-class drugs: A double-cohort study.