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Flow Mediated Dilation in Response to Black Tea

NCT02273323 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2017-02-15

Study results available
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Summary

Research indicate that people who regularly drink tea have a reduced risk of stroke or heart disease. In a number of studies in which people that normally do not drink showed that their blood vessels function improved when the drunk tea. The current study tests whether a specific black tea improves vessel function in non-tea drinking hypertensive subjects.

Conditions

  • Vascular Function

Interventions

OTHER

Tea

Single dose of black tea infusion containing approximately 400 mg flavonoids (expressed as gallic acid equivalents) with added sugar.

OTHER

Placebo

Placebo: tea flavour, colouring and sugar

Sponsors & Collaborators

Principal Investigators

  • Phillip Chowienczyk, Professor · Dept Clinical Pharmacology/CRF, St Thomas Hospital, London UK

Study Design

Allocation
RANDOMIZED
Masking
QUADRUPLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2014-10-31
Primary Completion
2015-10-31
Completion
2015-10-31

Countries

  • United Kingdom

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02273323 on ClinicalTrials.gov