Effect of Hibiscus Tea and Green Tea Supplements on Athletic Performance, Blood Pressure, Muscle Damage Indices and Oxidative Stress

August 9, 2017 updated by: Makan Pourmasoumi, Isfahan University of Medical Sciences
This study evaluated effect of Hibiscus tea and green tea supplements on athletic performance, blood pressure, muscle damage indices and oxidative stress in male athletes 18-35 years old and cardiovascular disease prevention approach.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

60

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Iran, Islamic Republic of
      • Isfahan, Iran, Islamic Republic of
        • male sports club members of Isfahan university of medical sciences

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 35 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • age between 18 to 35 y/o
  • no history of smoking or alcohol consumption
  • no taking nutritional sport supplements during the last 2 months

Exclusion Criteria:

  • any injury during intervention
  • any inflammatory disease during the intervention

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Hibiscus tea
420 mg Hibiscus 2 hour after dinner with 1 glass of cool water every day
Dietary supplement: Hibiscus tea
Dietary supplement: placebo (dextrose)
Experimental: green tea
450 mg green tea 2 hour after dinner with 1 glass of cool water every day
Dietary supplement: placebo (dextrose)
Dietary supplement: green tea
Placebo Comparator: control group
450 mg placebo (dextrose) 2 hour after dinner with 1 glass of cool water every day
Dietary supplement: Hibiscus tea
Dietary supplement: green tea

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
athletic performance assess by heart rate in step test (Harvard test).
Time Frame: 6 weeks
6 weeks
blood pressure
Time Frame: 6 weeks
6 weeks
serum's malondialdehyde
Time Frame: 6 weeks
it will asses by spectrophotometry.
6 weeks
serum's lactate dehydrogenase
Time Frame: 6 weeks
it will asses by calorimetry.
6 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Isfahan University of Medical Sciences

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

October 1, 2015

Primary Completion (Actual)

December 1, 2015

Study Completion (Actual)

December 1, 2015

Study Registration Dates

First Submitted

October 19, 2015

First Submitted That Met QC Criteria

December 18, 2015

First Posted (Estimate)

December 22, 2015

Study Record Updates

Last Update Posted (Actual)

August 11, 2017

Last Update Submitted That Met QC Criteria

August 9, 2017

Last Verified

August 1, 2017

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 394423

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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