Risk factor intervention trials for coronary hea diseases are all, EXCEPT:
Multiple Risk Factor Intervention Trial (MRFIT) in the US is an example of this. Onslow diet/smoking intervention study is another famous trial. Ref: Park's textbook of Preventive and Social Medicine, 21st edition, page-343
Stanford -Three Community Study
Noh Kerelia Project
Lipid Research Clinics Study
Single Risk Factor Intervention Trial (SR-FIT)