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Sökning: WFRF:(Kastelein John J P)

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21.
  • Olsson, Anders, et al. (författare)
  • LDL cholesterol goals and cardiovascular risk during statin treatment: the IDEAL study
  • 2011
  • Ingår i: EUROPEAN JOURNAL OF CARDIOVASCULAR PREVENTION and REHABILITATION. - : Lippincott Williams and Wilkins. - 1741-8267. ; 18:2, s. 262-269
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: We assessed the proportion of patients treated with either simvastatin 20 or 40 mg or atorvastatin 80 mg who achieved low-density lipoprotein cholesterol (LDL-C) goals of 2.5 or 2.0 mmol/l in the Incremental Decrease in End Points Through Aggressive Lipid Lowering (IDEAL) study. We explored how lipoprotein components related to cardiovascular disease (CVD) outcomes in these groups. Methods and results: For subjects who reached on-treatment LDL-C goals, Cox regression models were used to assess the ability of lipoprotein components to predict CVD events. Treatment with simvastatin or atorvastatin resulted in 40 per cent and 80 per cent of patients, respectively, reaching the 2.5 mmol/l goal and 12 per cent and 52 per cent, respectively, reaching the 2.0 mmol/l goal, after 1 year (all p andlt; 0.001 between groups). Adjusting for baseline LDL-C levels, hazard ratio (HR) for those reaching 2.0-2.5 mmol/l LDL-C versus those reaching andlt; 2.0 mmol/l was 1.16 (95% confidence interval [CI], 1.02-1.33, p = 0.023). An increase of the apolipoprotein B/A1 (apoB/A1) ratio by 1 standard deviation in participants who reached 2.0 mmol/l showed a HR for CVD of 1.14 (95% CI, 1.04-1.25, p = 0.004). Conclusion: More CVD patients treated with atorvastatin than simvastatin achieved either LDL-C goal and those reaching the 2.0 mmol/l goal exhibited significantly less CVD than those only reaching 2.5 mmol/l. In those reaching the 2.0 mmol/l goal, the apoB/A1 ratio still bears a relation to CVD outcome. The use of apoB/A1 ratio may provide additional predictive value to that of LDL-C.
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22.
  • Pedersen, Terje R, et al. (författare)
  • Comparison of Atorvastatin 80 mg/day Versus Simvastatin 20 to 40 mg/day on Frequency of Cardiovascular Events Late (Five Years) After Acute Myocardial Infarction (from the Incremental Decrease in End Points Through Aggressive Lipid Lowering [IDEAL] Trial)
  • 2010
  • Ingår i: AMERICAN JOURNAL OF CARDIOLOGY. - : Elsevier Science B. V., Amsterdam. - 0002-9149. ; 106:3, s. 354-359
  • Tidskriftsartikel (refereegranskat)abstract
    • Previous studies have demonstrated that benefits of intensive statin therapy compared to standard statin therapy begin shortly after an acute event and are continued up to 2 years of follow-up. However, whether efficacy and safety of intensive statin therapy in patients with a recent cardiac event are maintained in longer-term follow-up has not been evaluated. We conducted a post hoc analysis of a subgroup of 999 patients who had a first acute myocardial infarction (MI) andlt;2 months before randomization in a prospective, open-label, blinded end-point evaluation trial of 8,888 patients with a history of MI that compared intensive statin therapy (atorvastatin 80 mg) to standard statin therapy (simvastatin 20 to 40 mg) over approximately 5 years of follow-up. We analyzed the same composite end point used in the Pravastatin or Atorvastatin Evaluation and Infection Therapy (PROVE IT) trial (death, MI, hospitalization for unstable angina, revascularization, and stroke). Rates of the composite end point were 44.7% (n = 226) in the simvastatin group and 37.9% (n = 187) in the atorvastatin group (hazard ratio 0.82, 95% confidence interval 0.67 to 0.99, p = 0.04). Although statistical power was smaller than that of the PROVE IT trial, the relative risk decrease observed at 5 years is consistent with that in the 2-year follow-up in PROVE IT. The 2 treatment regimens were well tolerated. In conclusion, our analysis provides support for the strategy of placing patients with recent MI on intensive statin therapy and maintaining the high dose over the long term, beyond 2 years.
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23.
  • Sjouke, Barbara, et al. (författare)
  • Eprotirome in patients with familial hypercholesterolaemia (the AKKA trial): a randomised, double-blind, placebo-controlled phase 3 study
  • 2014
  • Ingår i: LANCET DIABETES and ENDOCRINOLOGY. - : Elsevier: Lancet. - 2213-8587 .- 2213-8595. ; 2:6, s. 455-463
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Eprotirome is a liver-selective thyroid hormone receptor agonist that has been shown to lower plasma LDL cholesterol concentrations in previous phase 1 and 2 studies of patients with dyslipidaemia. We aimed to assess the long-term safety and efficacy of 50 mu g and 100 mu g eprotirome in patients with familial hypercholesterolaemia. Methods For this randomised, double-blind, placebo-controlled, parallel-group, phase 3 clinical trial, we enrolled patients between Oct 3, 2011, and Feb 14, 2012, at 53 sites in 11 countries in Europe, Africa, and south Asia. Patients were eligible for enrolment if they were aged 18 years or older, diagnosed with heterozygous familial hypercholesterolaemia, and had not reached target LDL cholesterol concentrations after at least 8 weeks of statin therapy with or without ezetimibe. We used a computer-generated randomisation sequence to allocate patients to one of three groups: 50 mu g eprotirome, 100 mu g eprotirome, or placebo. This trial was planned for 52-76 weeks, with primary efficacy analysis at 12 weeks, but it was prematurely terminated when another study found that eprotirome causes cartilage damage in dogs. Although it was impossible to meet the predefined study outcomes, we analysed changes in the concentrations of LDL cholesterol and other lipids, liver parameters, thyroid hormone concentrations, and adverse effects of treatment with eprotirome versus placebo at 6 weeks of treatment. Analysis was done in all patients who received 6 weeks of treatment. This study is registered with ClinicalTrials.gov, number NCT01410383. Findings We enrolled 236 patients, randomly allocating 80 to receive placebo, 79 to receive 50 mu g eprotirome, and 77 to receive 100 mu g eprotirome. 69 patients reached the 6 week timepoint (23 given placebo, 24 given 50 mu g eprotirome, and 22 given 100 mu g eprotirome). Mean LDL cholesterol concentrations increased by 9% (95% CI -2 to 20) in the placebo group, decreased by 12% (-28 to 4%; p=0.0677 vs placebo) in the 50 mu g eprotirome group, and decreased by 22% (-32 to -13%; p=0.0045 vs placebo) in the 100 mu g eprotirome group. We noted statistically significant increases between both eprotirome groups and placebo in aspartate aminotransferase (AST; pless than0.0001), alanine aminotransferase (ALT; pless than0.0001), conjugated bilirubin (p=0.0006), and gamma-glutamyltranspeptidase (pless than0.0001). Four patients had to discontinue or interrupt study treatment before trial termination due to AST increases between the upper limit of normal (ULN) and six times ULN, and ALT concentrations between three and seven times ULN. Although we detected no changes in serum concentrations of thyroid-stimulating hormone or free tri-iodothyronine, free tetra-iodothyronine decreased by 19% (23 to 16) in the 50 mu g eprotirome group and 27% (30 to 23) in the 100 mu g eprotirome group (pless than0.0001 vs placebo for both groups). Interpretation Our findings show that eprotirome can lower LDL cholesterol concentrations in patients with familial hypercholesterolaemia when added to conventional statin treatment with or without ezetimibe, but that it has the potential to induce liver injury. These findings, along with findings of cartilage damage in dogs, raise serious doubts about selective thyroid hormone mimetics as a therapeutic approach to lower LDL cholesterol concentrations.
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24.
  • Strandberg, Timo E, et al. (författare)
  • Comparative Effect of Atorvastatin (80 mg) Versus Simvastatin (20 to 40 mg) in Preventing Hospitalizations for Heart Failure in Patients With Previous Myocardial Infarction
  • 2009
  • Ingår i: AMERICAN JOURNAL OF CARDIOLOGY. - : Elsevier BV. - 0002-9149. ; 103:10, s. 1381-1385
  • Tidskriftsartikel (refereegranskat)abstract
    • We investigated whether intensive cholesterol lowering could more effectively prevent heart failure (HF) in secondary prevention. The IDEAL study was a 4.8-year prospective, randomized trial comparing "usual" simvastatin treatment (20 to 40 mg/day, n = 4,449) with high-dose atorvastatin (80 mg/day, n = 4,439) in patients with a history of myocardial infarction (MI). At baseline, 94% of patients (n = 8,351) had no history of HF. During the course of the trial, there were 222 new or recurrent hospitalizations for HF (57 and 165 in those with and without HF at baseline, respectively), 123 (2.8%) in the simvastatin group and 99 (2.2%) in the atorvastatin group (hazard ratio [HR] 0.81, 95% confidence interval [CI] 0.62 to 1.05, p = 0.11). After adjustments, atorvastatin 80 mg was associated with a 26% decrease of new HF events compared with simvastatin 20 to 40 mg (HR 0.74, 95% CI 0.57 to 0.97, p = 0.03). Atorvastatin tended to be associated with fewer HF events in those with HF at baseline (n = 537, HR 0.65, 95% CI 0.38 to 1.11, p = 0.11) and those without HF at baseline (n = 8,351, HR 0.80, 95% CI 0.59 to 1.09, p = 0.15). Also, HF without preceding MI (n = 187) was decreased (HR 0.73, 95% CI 0.54 to 0.97, p = 0.03). In conclusion, atorvastatin 80 mg was more efficient than simvastatin 20 to 40 mg in preventing development of HF in patients with previous MI.
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25.
  • Tikkanen, Matti J, et al. (författare)
  • Total Cardiovascular Disease Burden: Comparing Intensive With Moderate Statin Therapy Insights From the IDEAL (Incremental Decrease in End Points Through Aggressive Lipid Lowering) Trial
  • 2009
  • Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 54:25, s. 2353-2357
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives This post-hoc analysis of the IDEAL (Incremental Decrease in End Points Through Aggressive Lipid Lowering) trial was designed to assess the comparative treatment efficacy of high-dose atorvastatin and usual-dose simvastatin for the prevention of events subsequent to the first event, using the Wei, Lin, and Weissfeld method. Background Time-to-first-event analysis of data is frequently utilized to provide efficacy outcome information in coronary heart disease prevention trials. However, during the course of such long-term trials, a large number of events occur subsequent to the first event, the analysis of which will be precluded by this approach. Methods The Wei, Lin, and Weissfeld method allows the analysis of repeated occurrence of events of the same type or of entirely different natures. It regards the recurrence times as multivariate event (failure) times, and models the marginal (individual) distribution for each event with the Cox proportional hazards model. Results In the IDEAL trial, compared with patients taking simvastatin 20 to 40 mg daily, patients receiving atorvastatin 80 mg daily had their relative risk of a first cardiovascular event reduced by 17% (p less than 0.0001), of a second by 24% (p less than 0.0001), of a third by 19% (p = 0.035), of a fourth by 24% (p = 0.058), and of a fifth by 28% (p = 0.117). Conclusions Our results indicate that intensive statin therapy continues to be more effective than standard statin therapy, even beyond the first event, and suggest that clinicians should not hesitate to prescribe high-dose statin therapy for patients experiencing multiple recurrent cardiovascular events.
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