Objectives of Study:
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Taking the serum levels of Mfn1 and Mfn2 and the changes of clinical symptoms as the main therapeutic indexes, evaluate the efficacy and safety of Shenyuan Yiqi Huoxue Capsule in the treatment of patients with unstable angina pectoris by a randomized, single blind, group controlled clinical trial design.
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Description for medicine or protocol of treatment in detail:
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1.Patients with UA are given standardized treatment according to the guidelines for diagnosis and treatment of non ST segment elevation acute coronary syndrome (2016).Standardized treatment:
(1) Antiplatelet aggregation drugs (aspirin enteric coated tablets, clopidogrel bisulfate tablets, etc.);
(2) lipid lowering and plaque stabilizing drugs (atorvastatin calcium tablets, pitavastatin calcium tablets, simvastatin, etc.);
(3) Nitrates (isosorbide mononitrate sustained release tablets or isosorbide mononitrate dispersible tablets, etc.);
(4) The use of beta blockers, calcium antagonists (CCB), angiotensin converting enzyme inhibitors (ACEI) / angiotensin II receptor blockers (ARB) should be determined by the competent physician according to the patient's heart rate and blood pressure. The standardized dosage of drugs during treatment should be recorded.
2.On the basis of standardized treatment, the experimental group are given Shenyuan Yiqi Huoxue Capsule,Specifications: 0.4g/ granule, 60 Tablets / bottle, made by the preparation room of Beijing Chinese Medicine Hospital affiliated to Capital Medical University. The drugs are composed of Astragalus, dangshen, radix salviae miltiorrhizae, Salvia miltiorrhiza, earthworm, woodlouse worm, leech, corydalis, etc,Hospital preparation approved by Beijing Municipal Medical Products Administration,Approval No.: 99 jwzz [056] No. F-2037. Taking method: take orally, 3 capsules each time, 3 times a day, for 28 days.The control group are given Shenyuan Yiqi Huoxue Capsule simulator,Specifications: 0.4g/ granule, 60 Tablets / bottle, made by the preparation room of Beijing Chinese Medicine Hospital affiliated to Capital Medical University. The appearance package, capsule shape and capsule color of the simulator were completely consistent with those of Shenyuan Yiqi Huoxue Capsule.Taking method: take orally, 3 capsules each time, 3 times a day, for 28 days.
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Inclusion criteria
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1. The age range from 18 to 85 years old;
2. Diagnosis of unstable angina pectoris, TCM syndrome differentiation belongs to Qi deficiency and blood stasis, and Angina pectoris occurred recently.
3. Had a clear history of myocardial infarction or coronary revascularization, or at least one coronary artery stenosis was more than 75% (non left main artery disease) or more than 50% left main artery stenosis confirmed by coronary CTA or coronary angiography, and refused interventional treatment.
4. Agree to participate in the clinical trial and sign the informed consent.
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