Status:

COMPLETED

The Effect of Purple Sweet Potato (PSP)-Juice on Liver Enzymes and Blood Pressure

Lead Sponsor:

TNO

Collaborating Sponsors:

Yakult Honsha Co., LTD

Conditions:

Health

Blood Pressure

Eligibility:

All Genders

40-70 years

Phase:

NA

Brief Summary

Purple Sweet Potato juice (PSP-juice) is a juice based on purple-fleshed sweet potato concentrate, containing a high level of anthocyanins. Purple-fleshed sweet potatoes have attracted attention to in...

Detailed Description

Study design: The study is designed as a randomized, parallel, placebo-controlled, double-blind study. Study population: 40 healthy adult female and/or male subjects, 40-70 yr old with a BMI 25-35 kg...

Eligibility Criteria

Inclusion

  • Healthy as assessed by the: Health and Lifestyle Questionnaire, results of the pre study laboratory tests in blood
  • Males/Females aged 40-70 years (boundaries included) at Day 01 of the study
  • Body Mass Index (BMI) 25-35 (boundaries included) kg/m2
  • Liver enzymes above reference values GGT ≥ 45 IU/L (for males) and ≥ 35 IU/L (for females), and/or ASAT ≥ 45 IU/L (for males and females), and/or ALAT ≥ 50 IU/L (for males) and ≥ 40 IU/L (for females)
  • Blood pressure (automated measurements at site): systolic blood pressure 130-159 mm Hg (boundaries included) and/or diastolic blood pressure 85-99 mm Hg (boundaries included)
  • Voluntary participation
  • Having given written informed consent
  • Willing to comply with the study procedures
  • Willing to give up blood/plasma donation during the study
  • Willing to accept use of all nameless data, including publication, and the confidential use and storage of all data for at least 15 years
  • Willing to accept the disclosure of the financial benefit of participation in the study to the authorities concerned.

Exclusion

  • Participation in any clinical trial including blood sampling and/or administration of substances up to 90 days before Day 01 of this study
  • Participation in any non-invasive clinical trial up to 30 days before Day 01 of this study, including no blood sampling and/or oral, intravenous, inhalatory administration of substances
  • Having a history of medical or surgical events that may significantly affect the study outcome
  • Any concomitant medication, with the exception of occasional use of a paracetamol tablet, that may influence the outcome of the study (to be judged by the medical investigator)
  • Food allergy/intolerance
  • Alcohol consumption \> 28 units/week for males and \> 21 units/week for females
  • Smoking \> 10 cigarettes per day
  • Reported unexplained weight loss or gain of \> 2 kg in the month prior to the pre study screening
  • Reported slimming or medically prescribed diet
  • Participation in night shift work
  • Pregnant or lactating or wishing to become pregnant in the period of the study
  • Personnel of TNO Quality of Life, their partner and their first and second degree relatives
  • Not having a general practitioner
  • Not willing to accept information-transfer concerning participation in the study, or information regarding his/her health, like laboratory results, findings at anamnesis or physical examination and eventual adverse events to and from his general practitioner.

Key Trial Info

Start Date :

June 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2009

Estimated Enrollment :

40 Patients enrolled

Trial Details

Trial ID

NCT00962195

Start Date

June 1 2009

End Date

December 1 2009

Last Update

April 14 2010

Active Locations (1)

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Page 1 of 1 (1 locations)

1

TNO Quality of Life

Zeist, Utrecht, Netherlands

The Effect of Purple Sweet Potato (PSP)-Juice on Liver Enzymes and Blood Pressure | DecenTrialz