China Stroke Primary Prevention Trial 2 for Participants With H-type Hypertension and MTHFR 677 CC/CT Genotype (CSPPT2-CC/CT)
This is a multi-center, randomized, double-blind, double-dummy, controlled clinical trial. This trial will include 32,000 Chinese men and women with hypertension (H-type hypertension), MTHFR 677 CC or CT genotype, elevated plasma total homocysteine (tHcy ≥10µmol/L), and insufficient serum folate levels (\<12ng/mL).
The participants will be first stratified by their MTHFR 677 genotype (CC vs. CT), then randomized to one of two treatment groups in a 1:1 ratio.
Group A: amlodipine tablet (5mg), taken orally, once daily, serving as active comparator.
Group B: amlodipine folic acid 5.8mg tablet (5mg amlodipine and 0.8mg folic acid), taken orally, once daily.
The treatment period is five years and primary endpoint is first ischemic stroke.
Gender: All
Ages: 45 Years - 74 Years
Hypertension
MTHFR 677 CC or CT Genotype
Elevated Plasma Homocysteine (Hcy≥10µmol/L)
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