Alberto Cordero1, Carlos G Santos-Gallego2, Lorenzo Fácila3, Moisés Rodríguez-Mañero4, Vicente Bertomeu-González5, Jose M Castellano6, José Seijas-Amigo4, Julio Núñez7, Pilar Zuazola8, Jose R González-Juanatey4, Juan J Badimon2. 1. Cardiology Department. Hospital Universitario de San Juan, Alicante, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain. Electronic address: acorderofort@gmail.com. 2. Mount Sinai School of Medicine, New York, USA; Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, USA. 3. Cardiology Department. Hospital General Universitario de Valencia, Valencia, Spain. 4. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain; Cardiology Department. Complejo Hospital Universitario de Santiago, Santiago de Compostela, Spain. 5. Cardiology Department. Hospital Universitario de San Juan, Alicante, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain. 6. Cardiology Department, Centro Integral de Enfermedades Cardiovasculares (CIEC), Hospital Universitario HM Monteprincipe, Madrid, Spain; Centro Nacional de Investigaciones Cardiovasculares (CNIC), Instituto de Salud Carlos III, Madrid, Spain; Facultad de Medicina, Universidad CEU San Pablo, Madrid, Spain. 7. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain; Cardiology Department. Hospital Clínico Universitario, Valencia, Spain. 8. Cardiology Department. Hospital Universitario de San Juan, Alicante, Spain.
Abstract
BACKGROUND AND AIMS: The ORION 10-11 trials have reported the efficacy of Inclisiran on low-density lipoprotein cholesterol (LDLc) reduction, and also suggested prevention of major cardiovascular events (MACE) incidence. METHODS: We have performed a meta-analysis of the available studies, involving PCSK9 inhibitors or Inclisiran for >6 months, that reported the incidence of MACE. The primary endpoint was MACE incidence, as reported in outcomes-based randomized clinical trials (OB-RCT) and non OB-RCT. Analyses were performed using fixed effect models and fractional polynomial regression. RESULTS: The meta-analysis included a total of 57,431 patients, 1592 treated with Inclisiran and 28,259 with PSCK9 inhibitors (17,244 with evolocumab and 11,015 with alirocumab). Baseline mean LDLc was 104.1 (12.9) mg globally. On-treatment mean LDLc was 40.1 (7.8) mg/dl and mean absolute LDLc reduction was 60.6 (10.3) mg/dl. A total of 5389 MACE were reported, 2482 in patients receiving the study drug and 2907 in patients assigned to placebo. Treatment was associated with OB-RCT and no heterogeneity was observed. The estimation of MACE reduction associated with LDLc reduction, adjusted by age, diabetes, hypertension and baseline LDLc, provided a linear trend in the risk of MACE and LDLc reduction that was linear and all studies fitted properly. CONCLUSIONS: The results of the ORION 10-11 trials are in concordance with results of trials involving treatment with PCSK9 inhibitors. The results of the ORION-4 trial will provide definite evidence on the effects of Inclisiran on MACE reduction.
BACKGROUND AND AIMS: The ORION 10-11 trials have reported the efficacy of Inclisiran on low-density lipoprotein cholesterol (LDLc) reduction, and also suggested prevention of major cardiovascular events (MACE) incidence. METHODS: We have performed a meta-analysis of the available studies, involving PCSK9 inhibitors or Inclisiran for >6 months, that reported the incidence of MACE. The primary endpoint was MACE incidence, as reported in outcomes-based randomized clinical trials (OB-RCT) and non OB-RCT. Analyses were performed using fixed effect models and fractional polynomial regression. RESULTS: The meta-analysis included a total of 57,431 patients, 1592 treated with Inclisiran and 28,259 with PSCK9 inhibitors (17,244 with evolocumab and 11,015 with alirocumab). Baseline mean LDLc was 104.1 (12.9) mg globally. On-treatment mean LDLc was 40.1 (7.8) mg/dl and mean absolute LDLc reduction was 60.6 (10.3) mg/dl. A total of 5389 MACE were reported, 2482 in patients receiving the study drug and 2907 in patients assigned to placebo. Treatment was associated with OB-RCT and no heterogeneity was observed. The estimation of MACE reduction associated with LDLc reduction, adjusted by age, diabetes, hypertension and baseline LDLc, provided a linear trend in the risk of MACE and LDLc reduction that was linear and all studies fitted properly. CONCLUSIONS: The results of the ORION 10-11 trials are in concordance with results of trials involving treatment with PCSK9 inhibitors. The results of the ORION-4 trial will provide definite evidence on the effects of Inclisiran on MACE reduction.
Authors: Maciej Banach; Paweł Burchardt; Krzysztof Chlebus; Piotr Dobrowolski; Dariusz Dudek; Krzysztof Dyrbuś; Mariusz Gąsior; Piotr Jankowski; Jacek Jóźwiak; Longina Kłosiewicz-Latoszek; Irina Kowalska; Maciej Małecki; Aleksander Prejbisz; Michał Rakowski; Jacek Rysz; Bogdan Solnica; Dariusz Sitkiewicz; Grażyna Sygitowicz; Grażyna Sypniewska; Tomasz Tomasik; Adam Windak; Dorota Zozulińska-Ziółkiewicz; Barbara Cybulska Journal: Arch Med Sci Date: 2021-11-08 Impact factor: 3.318
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