Management of Elevated Cholesterol in the Primary Prevention Group of Adult Japanese(MEGA Study)

Summary

To evaluate the primary preventive effect of low-dose pravastatin against coronary heart disease (CHD) in Japanese hypercholesterolemic patients.

Timeline

Start

1994-02

Primary completion

—

Completion

2004-03

Outcome

Met primary endpoint

paper Coronary heart disease was significantly lower in the diet plus pravastatin group than in the diet alone group (66 events vs 101 events; HR 0.67, 95% CI 0.49-0.91; p=0.01). PMID 17011942 ↗

Publications

• Background Management of Elevated Cholesterol in the Primary Prevention Group of Adult Japanese (MEGA) Study Group. Design and baseline characteristics of a study of primary prevention of coronary events with pravastatin among Japanese with mildly elevated cholesterol levels. Circ J. 2004 Sep;68(9):860-7. doi: 10.1253/circj.68.860.
• Results Nakamura H, Arakawa K, Itakura H, Kitabatake A, Goto Y, Toyota T, Nakaya N, Nishimoto S, Muranaka M, Yamamoto A, Mizuno K, Ohashi Y; MEGA Study Group. Primary prevention of cardiovascular disease with pravastatin in Japan (MEGA Study): a prospective randomised controlled trial. Lancet. 2006 Sep 30;368(9542):1155-63. doi: 10.1016/S0140-6736(06)69472-5.
• Tunnicliffe DJ, Palmer SC, Cashmore BA, Saglimbene VM, Krishnasamy R, Lambert K, Johnson DW, Craig JC, Strippoli GF. HMG CoA reductase inhibitors (statins) for people with chronic kidney disease not requiring dialysis. Cochrane Database Syst Rev. 2023 Nov 29;11(11):CD007784. doi: 10.1002/14651858.CD007784.pub3.
• Nakamura H, Mizuno K; MEGA Study Group. Cardiovascular and cancer events in hyper-high-density lipoprotein cholesterolemic patients: a post hoc analysis of the MEGA study. Lipids Health Dis. 2014 Aug 18;13:133. doi: 10.1186/1476-511X-13-133.
• Tajima N, Kurata H, Ohashi Y, Mizuno K, Nakamura H. Management of Elevated Cholesterol in the primary prevention Group of Adult Japanese (MEGA) Study assists the view that a fasting plasma glucose level >/=100 mg/dL increases cardiovascular risk. J Diabetes Investig. 2011 Oct 7;2(5):399-405. doi: 10.1111/j.2040-1124.2011.00121.x.
• Matsushima T, Nakaya N, Mizuno K, Ohashi Y, Teramoto T, Yokoyama S, Ichikawa S, Ishikura N, Kamiyama K, Nakamura H; MEGA Study Group. The effect of low-dose pravastatin in metabolic syndrome for primary prevention of cardiovascular disease in Japan: a post hoc analysis of the MEGA study. J Cardiovasc Pharmacol Ther. 2012 Jun;17(2):153-8. doi: 10.1177/1074248411421777. Epub 2011 Oct 3.
• Nakaya N, Mizuno K, Ohashi Y, Teramoto T, Yokoyama S, Hirahara K, Mizutani M, Nakamura H; MEGA Study Group. Low-dose pravastatin and age-related differences in risk factors for cardiovascular disease in hypercholesterolaemic Japanese: analysis of the management of elevated cholesterol in the primary prevention group of adult Japanese (MEGA study). Drugs Aging. 2011 Sep 1;28(9):681-92. doi: 10.2165/11595620-000000000-00000.
• Kushiro T, Mizuno K, Nakaya N, Ohashi Y, Teramoto T, Yokoyama S, Kakinoki S, Nakamura H; MEGA Study Group. Blood pressure control status and effects of pravastatin on cardiovascular events occurrence in patients with dyslipidaemia. J Hum Hypertens. 2012 Jun;26(6):388-95. doi: 10.1038/jhh.2011.49. Epub 2011 May 19.
• Nakamura H, Mizuno K, Ohashi Y, Yoshida T, Hirao K, Uchida Y; MEGA Study Group. Pravastatin and cardiovascular risk in moderate chronic kidney disease. Atherosclerosis. 2009 Oct;206(2):512-7. doi: 10.1016/j.atherosclerosis.2009.03.031. Epub 2009 Apr 5.
• Kushiro T, Mizuno K, Nakaya N, Ohashi Y, Tajima N, Teramoto T, Uchiyama S, Nakamura H; Management of Elevated Cholesterol in the Primary Prevention Group of Adult Japanese Study Group. Pravastatin for cardiovascular event primary prevention in patients with mild-to-moderate hypertension in the Management of Elevated Cholesterol in the Primary Prevention Group of Adult Japanese (MEGA) Study. Hypertension. 2009 Feb;53(2):135-41. doi: 10.1161/HYPERTENSIONAHA.108.120584. Epub 2008 Dec 22.
• Mizuno K, Nakaya N, Ohashi Y, Tajima N, Kushiro T, Teramoto T, Uchiyama S, Nakamura H; MEGA Study Group. Usefulness of pravastatin in primary prevention of cardiovascular events in women: analysis of the Management of Elevated Cholesterol in the Primary Prevention Group of Adult Japanese (MEGA study). Circulation. 2008 Jan 29;117(4):494-502. doi: 10.1161/CIRCULATIONAHA.106.671826. Epub 2008 Jan 2.

Drugs

Indications