Research on Nicorandil Treatment of Patients Diagnosed as CHD (Coronary Heart Disease) With Stable Angina

The subjects will receive Nicorandil 5 mg tablet orally three times daily for a period of 12 weeks along with the standard treatment.

The subjects will receive one of the standard anti-anginal therapies which included but not limited to aspirin, ACEI, lipid lowering statins and beta blockers according to the recommendation of guidelines. If the subject's condition permitted, they should take all these medicines. However, the dose, route, frequency and duration were determined by investigators according to subject's specific condition.