Outpatients | Age
Item
male or female outpatients, 18-75 years
boolean
C0029921 (UMLS CUI [1])
C0001779 (UMLS CUI [2])
Essential Hypertension Mild | Essential Hypertension Moderate
Item
patients with mild to moderate essential hypertension (defined as mean bp of 2 visits
boolean
C0085580 (UMLS CUI [1,1])
C2945599 (UMLS CUI [1,2])
C0085580 (UMLS CUI [2,1])
C0205081 (UMLS CUI [2,2])
Mean blood pressure Visit Quantity
Item
≥140mm/90mmhg, and < 180mm/110mmhg)
boolean
C0428886 (UMLS CUI [1,1])
C1512346 (UMLS CUI [1,2])
C1265611 (UMLS CUI [1,3])
Informed Consent
Item
written informed consent
boolean
C0021430 (UMLS CUI [1])
Secondary hypertension
Item
patients with secondary hypertension
boolean
C0155616 (UMLS CUI [1])
Hypertension, severe
Item
patients with severe hypertension
boolean
C4013784 (UMLS CUI [1])
Pharmaceutical Preparations Influence Blood Pressure
Item
have to take other drugs that can influence blood pressure during the study
boolean
C0013227 (UMLS CUI [1,1])
C4054723 (UMLS CUI [1,2])
C0005823 (UMLS CUI [1,3])
Hypersensitivity Dihydropyridine Calcium Channel Blocker
Item
allergic to dhp calcium antagonists
boolean
C0020517 (UMLS CUI [1,1])
C2945601 (UMLS CUI [1,2])
Congestive heart failure | Angina, Unstable | Cardiac Arrhythmia Severe
Item
evidence of congestive heart failure, unstable angina or severe arrhythmia
boolean
C0018802 (UMLS CUI [1])
C0002965 (UMLS CUI [2])
C0003811 (UMLS CUI [3,1])
C0205082 (UMLS CUI [3,2])
Renal dysfunction | Liver Dysfunction
Item
renal or hepatic dysfunction
boolean
C3279454 (UMLS CUI [1])
C0086565 (UMLS CUI [2])
Contraceptives, Oral | Pregnancy Probably
Item
women who are taking contraceptive pills or are likely to be pregnant
boolean
C0009905 (UMLS CUI [1])
C0032961 (UMLS CUI [2,1])
C0750492 (UMLS CUI [2,2])
Study Subject Participation Status
Item
participate in other clinical trials within 3 months prior to this study
boolean
C2348568 (UMLS CUI [1])