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Fogacci F, Yerlitaş Sİ, Giovannini M, Zararsız G, Lido P, Borghi C, Cicero AFG. Sex X Time Interactions in Lp(a) and LDL-C Response to Evolocumab. Biomedicines 2023; 11:3271. [PMID: 38137492 PMCID: PMC10741148 DOI: 10.3390/biomedicines11123271] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
The aim of this study was to evaluate whether there were significant sex x time interactions in lipoprotein(a) (Lp(a)) and low-density lipoprotein cholesterol (LDL-C) response to treatment with the Proprotein Convertase Subtilisin/Kexin type 9 inhibitor (PCSK9i) Evolocumab, in a real-life clinical setting. For this purpose, we pooled data from 176 outpatients (Men: 93; Women: 83) clinically evaluated at baseline and every six months after starting Evolocumab. Individuals who had been on PCSK9i for less than 30 months and nonadherent patients were excluded from the analysis. Over time, absolute values of Lp(a) plasma concentrations significantly decreased in the entire cohort (p-value < 0.001) and by sex (p-value < 0.001 in men and p-value = 0.002 in and women). However, there were no sex-related significant differences. Absolute plasma concentrations of LDL-C significantly decreased over time in the entire cohort and by sex (p-value < 0.001 always), with greater improvements in men compared to women. The sex x time interaction was statistically significant in LDL-C (all p-values < 0.05), while absolute changes in Lp(a) were not influenced by either sex or time (all p-value > 0.05). Our data partially reinforce the presence of differences in response to treatment to PCSK9i between men and women and are essential to gain a better understanding of the relationship between LDL-C and Lp(a) lowering in response to PCSK9i. Further research will clarify whether these sex-related significant differences translate into a meaningful difference in the long-term risk of ASCVD.
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Affiliation(s)
- Federica Fogacci
- Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, 40100 Bologna, Italy; (F.F.); (M.G.); (C.B.)
| | - Serra İlayda Yerlitaş
- Department of Biostatistics, Erciyes University School of Medicine, 38039 Kayseri, Turkey; (S.İ.Y.); (G.Z.)
- Drug Application and Research Center (ERFARMA), Erciyes University, 38280 Kayseri, Turkey
| | - Marina Giovannini
- Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, 40100 Bologna, Italy; (F.F.); (M.G.); (C.B.)
| | - Gökmen Zararsız
- Department of Biostatistics, Erciyes University School of Medicine, 38039 Kayseri, Turkey; (S.İ.Y.); (G.Z.)
- Drug Application and Research Center (ERFARMA), Erciyes University, 38280 Kayseri, Turkey
| | - Paolo Lido
- Italian Medicines Agency (AIFA), 00187 Rome, Italy;
| | - Claudio Borghi
- Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, 40100 Bologna, Italy; (F.F.); (M.G.); (C.B.)
- Unit of Cardiovascular Internal Medicine, Department of Cardiac, Thoracic, Vascular Pathology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40100 Bologna, Italy
| | - Arrigo F. G. Cicero
- Hypertension and Cardiovascular Risk Research Center, Medical and Surgical Sciences Department, Alma Mater Studiorum University of Bologna, 40100 Bologna, Italy; (F.F.); (M.G.); (C.B.)
- Unit of Cardiovascular Internal Medicine, Department of Cardiac, Thoracic, Vascular Pathology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40100 Bologna, Italy
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