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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Bergheanu, Sandrin C. Reijmers, Theo Zwinderman, Aeilko H. Bobeldijk, Ivana Ramaker, Raymond Liem, An-Ho Van Der Greef, Jan Hankemeier, Thomas Jukema, J. Wouter |
| Description | Country affiliation: Netherlands Author Affiliation: Bergheanu SC ( Leiden University Medical Center, Leiden, The Netherlands.) |
| Abstract | OBJECTIVE: Lipid profiling (lipidomics) may be useful in revealing detailed information with regard to the effects on lipid metabolism, the cardiovascular risk and to differentiate between therapies. The aims of the present study were to: (1) analyze in depth the lipid changes induced by rosuvastatin and atorvastatin at different dosages; (2) compare differences between the two drugs with respect to the lipid profile change; (3) relate the findings with meaningful pathological mechanisms of coronary artery disease. RESEARCH DESIGN AND METHODS: Liquid chromatography-mass spectrometry was applied to obtain the metabolite profiles of plasma samples taken from a prospectively defined subset (n=80) of participants in the RADAR study where a randomly assigned treatment with rosuvastatin or atorvastatin in increasing dosages was administered during an 18-week period. RESULTS: A number of sphingomyelins (SPMs) and phosphatidylcholines (PCs) correlate with the different effects of the two statins on the LDL-C/HDL-C ratio. Rosuvastatin increased the plasma concentration of PCs after 6 and 18 weeks, while atorvastatin reduced the plasma concentrations of PCs at both timepoints and dosages (p<0.01 for between-treatment comparison). Both atorvastatin and rosuvastatin lowered plasma SPMs concentrations, but atorvastatin demonstrated a more pronounced effect with the highest dose (p=0.03). Rosuvastatin resulted in a significantly more effective lowering of the [SPMs/(SPMs + PCs)] ratio than atorvastatin at any dose/timepoint (p<0.05), a ratio reported to be of clinical importance in coronary artery disease. CONCLUSIONS: The lipidomic technique has revealed that statins are different with regards to the effect on detailed lipid profile. The observed difference in lipids may be connected with different clinical outcomes as suggested by the [SPMs/(SPMs + PCs)] ratio. |
| File Format | HTM / HTML |
| ISSN | 03007995 |
| Issue Number | 9 |
| Volume Number | 24 |
| e-ISSN | 14734877 |
| Journal | Current Medical Research and Opinion |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2008-09-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Medicine Fluorobenzenes Therapeutic Use Heptanoic Acids Hydroxymethylglutaryl-coa Reductase Inhibitors Lipids Classification Pyrimidines Pyrroles Sulfonamides Atorvastatin Calcium Chromatography, Liquid Dose-response Relationship, Drug Administration & Dosage Humans Blood Mass Spectrometry Prospective Studies Rosuvastatin Calcium Journal Article Randomized Controlled Trial Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine |
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