PMID- 23428009 OWN - NLM STAT- MEDLINE DCOM- 20130812 LR - 20181202 IS - 1876-7605 (Electronic) IS - 1936-8798 (Linking) VI - 6 IP - 2 DP - 2013 Feb TI - High-dose atorvastatin on the pharmacodynamic effects of double-dose clopidogrel in patients undergoing percutaneous coronary interventions: The ACHIDO (Atorvastatin and Clopidogrel HIgh DOse in stable patients with residual high platelet activity) study. PG - 169-79 LID - S1936-8798(12)01172-7 [pii] LID - 10.1016/j.jcin.2012.09.013 [doi] AB - OBJECTIVES: The goal of this study was to investigate the impact of high-dose atorvastatin on the pharmacodynamic (PD) effects of double-dose clopidogrel in statin-naive patients with stable coronary artery disease (CAD) and high-on-treatment platelet reactivity (HTPR) while on standard-dose clopidogrel before percutaneous coronary intervention (PCI). BACKGROUND: Patients with HTPR are at increased risk of adverse cardiovascular events after PCI. High-dose statins improve prognosis in high-risk patients by lipid- and nonlipid-related mechanisms, including antithrombotic effects. METHODS: The ACHIDO (Atorvastatin and Clopidogrel HIgh DOse in stable patients with residual high platelet activity) study was a randomized PD study of high-dose (80 mg) atorvastatin in addition to double-dose (150 mg) clopidogrel (atorvastatin group, n = 38) versus double-dose clopidogrel alone (control group, n = 38) in patients with HTPR. HTPR was defined as P2Y(12) reaction units (PRU) >/=235 by the VerifyNow P2Y12 assay. Platelet reactivity was evaluated immediately before PCI and at 10 and 30 days. RESULTS: Patients randomized to atorvastatin had lower PRU values (188 +/- 48 vs. 223 +/- 53 PRU, p < 0.01; primary endpoint) and HTPR rates (16% vs. 42%, p < 0.01) at 30 days than patients in the control group. Statin treatment (odds ratio [OR]: 3.8, p = 0.011), baseline PRU <298 (OR: 10.7, p = 0.0001), noncarrier status of CYP2C19*2 loss-of-function allele (OR: 2.9, p = 0.043), and age (OR: 0.94, p = 0.032) were variables significantly associated with optimal PD response (PRU <235) at 30 days. No correlations were found between PRU and lipid fractions. CONCLUSIONS: High-dose atorvastatin significantly improved the PD effects of double-dose clopidogrel in our stable CAD patients with HTPR undergoing PCI (Atorvastatin and Clopidogrel HIgh DOse in stable patients with residual high platelet activity [ACHIDO]; NCT01335048). CI - Copyright (c) 2013 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved. FAU - Leoncini, Mario AU - Leoncini M AD - Division of Cardiology, Misericordia e Dolce Hospital, Prato, Italy. leoncini.mario@tiscali.it FAU - Toso, Anna AU - Toso A FAU - Maioli, Mauro AU - Maioli M FAU - Angiolillo, Dominick J AU - Angiolillo DJ FAU - Giusti, Betti AU - Giusti B FAU - Marcucci, Rossella AU - Marcucci R FAU - Abbate, Rosanna AU - Abbate R FAU - Bellandi, Francesco AU - Bellandi F LA - eng SI - ClinicalTrials.gov/NCT01335048 PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - United States TA - JACC Cardiovasc Interv JT - JACC. Cardiovascular interventions JID - 101467004 RN - 0 (Heptanoic Acids) RN - 0 (Hydroxymethylglutaryl-CoA Reductase Inhibitors) RN - 0 (P2RY12 protein, human) RN - 0 (Platelet Aggregation Inhibitors) RN - 0 (Purinergic P2Y Receptor Antagonists) RN - 0 (Pyrroles) RN - 0 (Receptors, Purinergic P2Y12) RN - A0JWA85V8F (Atorvastatin) RN - A74586SNO7 (Clopidogrel) RN - EC 1.14.14.1 (Aryl Hydrocarbon Hydroxylases) RN - EC 1.14.14.1 (CYP2C19 protein, human) RN - EC 1.14.14.1 (Cytochrome P-450 CYP2C19) RN - OM90ZUW7M1 (Ticlopidine) SB - IM CIN - JACC Cardiovasc Interv. 2013 Feb;6(2):180-1. PMID: 23428010 MH - Age Factors MH - Aged MH - Aged, 80 and over MH - Aryl Hydrocarbon Hydroxylases/genetics MH - Atorvastatin MH - Blood Platelets/*drug effects/metabolism MH - Chi-Square Distribution MH - Clopidogrel MH - Coronary Artery Disease/blood/*therapy MH - Cytochrome P-450 CYP2C19 MH - Drug Interactions MH - Drug Resistance MH - Female MH - Heptanoic Acids/*administration & dosage/adverse effects MH - Humans MH - Hydroxymethylglutaryl-CoA Reductase Inhibitors/*administration & dosage/adverse effects MH - Italy MH - Male MH - Middle Aged MH - Odds Ratio MH - *Percutaneous Coronary Intervention/adverse effects MH - Pharmacogenetics MH - Platelet Aggregation Inhibitors/*administration & dosage/adverse effects MH - Platelet Function Tests MH - Prospective Studies MH - Purinergic P2Y Receptor Antagonists/*administration & dosage/adverse effects MH - Pyrroles/*administration & dosage/adverse effects MH - Receptors, Purinergic P2Y12/blood/drug effects MH - Risk Assessment MH - Risk Factors MH - Ticlopidine/administration & dosage/adverse effects/*analogs & derivatives MH - Time Factors MH - Treatment Outcome EDAT- 2013/02/23 06:00 MHDA- 2013/08/13 06:00 CRDT- 2013/02/23 06:00 PHST- 2012/05/24 00:00 [received] PHST- 2012/08/30 00:00 [revised] PHST- 2012/09/12 00:00 [accepted] PHST- 2013/02/23 06:00 [entrez] PHST- 2013/02/23 06:00 [pubmed] PHST- 2013/08/13 06:00 [medline] AID - S1936-8798(12)01172-7 [pii] AID - 10.1016/j.jcin.2012.09.013 [doi] PST - ppublish SO - JACC Cardiovasc Interv. 2013 Feb;6(2):169-79. doi: 10.1016/j.jcin.2012.09.013.