Status:

COMPLETED

The Effect of Hibiscus Sabdariffa L. Tea on Blood Pressure

Lead Sponsor:

Tufts University

Collaborating Sponsors:

Celestial Seasonings

Tufts Medical Center

Conditions:

Hypertension

Eligibility:

All Genders

30-70 years

Phase:

PHASE1

PHASE2

Brief Summary

The goal of this study is to find out whether the plant compounds present in Hibiscus sabdariffa, a plant commonly used in herbal tea blends and other beverages, will have a beneficial effect on blood...

Eligibility Criteria

Inclusion

  • Systolic blood pressure 120-150 mm Hg
  • Diastolic blood pressure 95 mm Hg or less
  • Body mass index (BMI) 18.5-34.9 kg/m2

Exclusion

  • Smoking
  • Use of medications that influence blood pressure
  • Cardiovascular disease
  • Chronic kidney disease
  • Diabetes
  • Regular use of vitamin C supplements (min 500 mg/day) within prior 30 days
  • Regular strenuous aerobic activity greater than 30 min/day
  • Excessive intake of caffeine or alcohol
  • Pregnancy within last 6 months or during study period
  • Abnormal complete blood count (CBC), urinalysis or electrocardiogram (EKG)

Key Trial Info

Start Date :

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2007

Estimated Enrollment :

66 Patients enrolled

Trial Details

Trial ID

NCT00175110

End Date

December 1 2007

Last Update

December 3 2009

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University

Boston, Massachusetts, United States, 02111