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論文
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Miyauchi, Katsumi ; Kimura, Takeshi ; Morimoto, Takeshi ; Nakagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Hiro, Takafumi ; Daida, Hiroyuki ; Matsuzaki, Masunori ; 山岸, 正和
概要:
金沢大学医薬保健研究域医学系<br />Background: Many trials have shown that 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase i
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nhibitors reduce the incidence of cardiovascular events and mortality. One method of decreasing the incidence of cardiovascular events could be to reduce the progression of coronary atherosclerosis, and a recent study found that atorvastatin can cause coronary plaque to regress. To generalize this finding, using conventional HMG-CoA reductase inhibitors at many Japanese centers, randomized trials of pitavastatin and atorvastatin will be conducted with patients with acute coronary syndrome (ACS). Methods and Results: Patients with ACS who have undergone successful percutaneous coronary intervention under intravascular ultrasound guidance will be studied. They will be randomly allocated to pitavastatin or atorvastatin groups and followed up for 8-12 months. The primary endpoint will be the percent change in coronary plaque volume, and secondary endpoints will include absolute changes in coronary plaque volume, serum lipid levels and inflammatory markers. The safety profile will also be evaluated. Conclusions: This study will examine the ability of HMG-CoA reductase inhibitors to regress coronary plaque in Japanese patients with ACS and the findings should help to improve the prognosis of such patients and clarify the involved mechanisms.<br />出版者照会後に全文公開
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論文
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Miyauchi, Katsumi ; Kimura, Takeshi ; Morimoto, Takeshi ; Nakaagawa, Yoshihisa ; Yamagishi, Masakazu ; Ozaki, Yukio ; Hiro, Takafumi ; Daida, Hiroyuki ; Matsuzaki, Masunori
概要:
Background Many trials have shown that 3-hydroxy-3-methyl-glutaryl coenzyme A (HMG-CoA) reductase inhibitors reduce the
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incidence of cardiovascular events and mortality. One method of decreasing the incidence of cardiovascular events could be to reduce the progression of coronary atherosclerosis, and a recent study found that atorvastatin can cause coronary plaque to regress. To generalize this finding, using conventional HMG-CoA reductase inhibitors at many Japanese centers, randomized trials of pitavastatin and atorvastatin will be conducted with patients with acute coronary syndrome (ACS). Methods and Results Patients with ACS who have undergone successful percutaneous coronary intervention under intravascular ultrasound guidance will be studied. They will be randomly allocated to pitavastatin or atorvastatin groups and followed up for 8-12 months. The primary endpoint will be the percent change in coronary plaque volume, and secondary endpoints will include absolute changes in coronary plaque volume, serum lipid levels and inflammatory markers. The safety profile will also be evaluated. Conclusions This study will examine the ability of HMG-CoA reductase inhibitors to regress coronary plaque in Japanese patients with ACS and the findings should help to improve the prognosis of such patients and clarify the involved mechanisms. (Circ J 2006; 70: 1624 - 1628)<br />出版者照会後に全文公開
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Takayama, Tadateru ; Hiro, Takafumi ; Yamagishi, Masakazu ; Daida, Hiroyuki ; Saito, Satoshi ; Yamaguchi, Tetsu ; Matsuzaki, Masunori
概要:
http://www.j-circ.or.jp/english/<br />Background There have been few multicenter studies using intravascular ultrasound
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(IVUS) to assess the process of atherosclerosis in a Japanese population with hypercholesterolemia that is being treated with 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors for control of low-density lipoprotein-cholesterol. Methods and Results An open-label multicenter study is planned to evaluate with IVUS whether treatment with rosuvastatin for 76 weeks results in regression of coronary artery atheroma volume in patients who have coronary heart disease (CHD) and hypercholesterolemia. Sample size is 200 subjects with CHD who are to undergo percutaneous coronary intervention. The planned duration is between October 2005 and October 2008. Conclusions The COSMOS study will be the first multicenter cardiovascular study in a Japanese population and may provide new evidence on the effects of rosuvastatin on the progression of coronary atherosclerotic lesions. (Circ J 2007; 71: 271 -275)<br />出版者照会後に全文公開
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Takayama, Tadateru ; Hiro, Takafumi ; Yamagishi, Masakazu ; Daida, Hiroyuki ; Hirayama, Atsushi ; Saito, Satoshi ; Yamaguchi, Tetsu ; Matsuzaki, Masunori ; The COSMOS Investigators ; 山岸, 正和
概要:
Background: It has been suggested that intensive lipid-lowering therapy using statins significantly decreases atheromato
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us plaque volume. The effect of rosuvastatin on plaque volume in patients with stable coronary artery disease (CAD), including those receiving prior lipid-lowering therapy, was examined in the present study. Methods and Results: A 76-week open-label trial was performed at 37 centers in Japan. Eligible patients began treatment with rosuvastatin 2.5 mg/day, which could be increased at 4-week intervals to ≤20 mg/day. A total of 214 patients underwent intravascular ultrasound (IVUS) at baseline; 126 patients had analyzable IVUS images at the end of the study. The change in the serum low-density lipoprotein-cholesterol level from baseline to end of follow-up was -38.6 ±16.9%, whereas that of high-density lipoprotein-cholesterol was +19.8 ±22.9% (both P<0.0001). Percent change of plaque volume, the primary endpoint, was -5.1 ±14.1% (P<0.0001). Conclusions: Rosuvastatin exerted significant regression of coronary plaque volume in Japanese patients with stable CAD, including those who had previously used other lipid-lowering drugs. Rosuvastatin might be useful in the setting of secondary prevention in patients with stable CAD. (Circ J 2009; 73: 2110-2117)<br />出版者照会後に全文公開
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