Comparison of lipid-modifying efficacy of rosuvastatin versus atorvastatin in patients with acute coronary syndrome (from the lunar study)
The American Journal of Cardiology,  Clinical Article

Pitt B et al. – Results from the LUNAR study show that RSV40 more effectively decreased low–density lipoprotein (LDL) cholesterol, increased HDL cholesterol, and improved other blood lipid parameters than ATV80 in patients with acute coronary syndrome.

Methods
  • Patients with acute coronary syndrome are recommended for early aggressive low–density lipoprotein (LDL) cholesterol–lowering therapy.
  • The LUNAR study compared the efficacy of rosuvastatin with that of atorvastatin in decreasing LDL cholesterol in patients with acute coronary syndrome.
  • Adult patients with coronary artery disease who were hospitalized for an acute coronary syndrome within 48 hours of first symptoms were randomized (n = 825) to an open–label, once–daily treatment with rosuvastatin 20 mg (RSV20), rosuvastatin 40 mg (RSV40), or atorvastatin 80 mg (ATV80) for 12 weeks.
  • Patients were evaluated at weeks 2, 6, and 12.
  • The primary end point was treatment efficacy in lowering LDL cholesterol averaged over 6 to 12 weeks.
  • Changes in other lipoproteins, including high–density lipoprotein (HDL) cholesterol, and safety were evaluated.
  • Analysis of covariance was used to compare least squares mean differences between each rosuvastatin treatment arm and the atorvastatin arm.

Results
  • The efficacy of RSV40 in lowering LDL cholesterol was significantly greater than that of ATV80 (46.8% vs 42.7% decrease, p = 0.02).
  • LDL cholesterol lowering by RSV20 was similar to that by ATV80.
  • Increases in HDL cholesterol were significantly greater with RSV40 (11.9%, p <0.001) and RSV20 (9.7%, p <0.01) than with ATV80 (5.6%).
  • RSV40 was also significantly more effective than ATV80 in improving most other secondary efficacy variables, whereas the effects of RSV20 on these parameters were generally similar to those of ATV80.
  • All 3 treatments were generally well tolerated over 12 weeks.

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