The Effect of Hibiscus Sabdariffa L. Tea on Blood Pressure

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

66 participants

Study Classification

INTERVENTIONAL

Study Completion Date

2007-12-31

Brief Summary

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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 pressure in people with mildly elevated blood pressure.

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Detailed Description

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Conditions

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Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Interventions

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herbal therapy/botanical therapy (Hibiscus sabdariffa)

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 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 Criteria

* 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)

Minimum Eligible Age

30 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes