A randomized trial evaluating the efficacy and safety of alirocumab in South Korea and Taiwan (ODYSSEY KT)

Kwang Kon Koh, Chang Wook Nam, Ting Hsing Chao, Ming En Liu, Chiung Jen Wu, Dong Soo Kim, Chong Jin Kim, Ivy Li, Jianyong Li, Marie T. Baccara-Dinet, Pi Jung Hsiao, Chern En Chiang

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Abstract

Background: Alirocumab, a fully human monoclonal antibody to proprotein convertase subtilisin/kexin type 9, has been shown to provide significant reductions in low-density lipoprotein cholesterol (LDL-C). Data about its efficacy and safety in patients from South Korea and Taiwan are limited. Objective: ODYSSEY KT assessed the efficacy and safety of alirocumab in patients from South Korea and Taiwan. Methods: Patients with hypercholesterolemia at high cardiovascular risk who were on maximally tolerated statin were randomized (1:1) to alirocumab (75 mg every 2 weeks, with dose increase to 150 mg every 2 weeks at week 12 if LDL-C ≥70 mg/dL at week 8) or placebo for 24 weeks. The primary efficacy endpoint was percentage change in LDL-C from baseline to week 24. Safety was assessed throughout. Results: At week 24, alirocumab changed LDL-C levels by −57.1% (placebo: +6.3%). In the alirocumab group, 9 patients (9.5%) received dose increase at week 12. At week 24, 85.8% of patients in the alirocumab group reached LDL-C <70 mg/dL (placebo: 14.2%; P ≤ .0001 vs placebo). Alirocumab significantly improved non-high-density lipoprotein cholesterol (non-HDL-C), apolipoprotein B, total cholesterol, lipoprotein (a), and HDL-C vs placebo (P ≤ .05). Two consecutive calculated LDL-C values <25 mg/dL were recorded in 27.8% of alirocumab-treated patients. Overall, 58.8% (alirocumab) and 61.8% (placebo) of patients experienced treatment-emergent adverse events; 2.1% and 1.0% discontinued treatment due to treatment-emergent adverse events, respectively. Conclusion: Alirocumab significantly improved LDL-C, apolipoprotein B, non-HDL-C, lipoprotein (a), HDL-C, and total cholesterol in Asian patients. Alirocumab was generally well tolerated. These findings are consistent with ODYSSEY findings to date.

Original languageEnglish
Pages (from-to)162-172.e6
JournalJournal of Clinical Lipidology
Volume12
Issue number1
DOIs
Publication statusPublished - 2018 Jan

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All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics
  • Cardiology and Cardiovascular Medicine

Cite this

Koh, K. K., Nam, C. W., Chao, T. H., Liu, M. E., Wu, C. J., Kim, D. S., Kim, C. J., Li, I., Li, J., Baccara-Dinet, M. T., Hsiao, P. J., & Chiang, C. E. (2018). A randomized trial evaluating the efficacy and safety of alirocumab in South Korea and Taiwan (ODYSSEY KT). Journal of Clinical Lipidology, 12(1), 162-172.e6. https://doi.org/10.1016/j.jacl.2017.09.007