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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Study Design

Type
Randomized Controlled Trial (RCT)
Sample size
n = 15
Population
30 patients with stage 1 hypertension
Methods
Single-blind, placebo-controlled study; 3 g P. tuberosa in two divided doses vs matched placebo for twelve weeks
Blinding
Single-blind
Duration
twelve weeks
Funding
Unclear
The Indian Kudzu (Pueraria tuberosa DC.) is an important medicinal plant widely used in Indian and Chinese traditional systems of medicine. The present study is an attempt to evaluate effect of its tubers on blood pressure, coagulation parameters and antioxidant status in patients with stage 1 (primary) hypertension. In a long-term, single blinded, placebo controlled study; 15 patients with stage 1 hypertension (group 1), were administered 3 g P. tuberosa in two divided doses while another 15 patients (group II) were administered matched placebo for a period of twelve weeks. A significant fall of 25, 11 and 16 mmHg was observed in systolic (p < 0.001), diastolic (p < 0.05) and mean (p < 0.001) blood pressure, respectively at the end of the study. Along with blood pressure reduction, there was a significant (p < 0.01) reduction in plasma fibrinogen and significant enhancement of plasma fibrinolytic activity (p < 0.001) and serum total antioxidant status (p < 0.05). It was tolerated well without any untoward side effects.

Research Insights

  • significant enhancement of serum total antioxidant status

    Effect
    Beneficial
    Effect size
    Small
    Dose
    3 g in two divided doses
  • A significant fall of 25, 11 and 16 mmHg was observed in systolic, diastolic and mean blood pressure, respectively at the end of the study.

    Effect
    Beneficial
    Effect size
    Large
    Dose
    3 g in two divided doses
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