NCT00795834

Brief Summary

The purpose of this study is to assess the effects of a novel beverage rich in polyphenols (compounds present in fruit extracts) on risk factors associated with cardiovascular disease.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2008

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2008

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 19, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 21, 2008

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2009

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2009

Completed
Last Updated

November 21, 2008

Status Verified

November 1, 2008

Enrollment Period

7 months

First QC Date

November 19, 2008

Last Update Submit

November 19, 2008

Conditions

Keywords

polyphenolicsflavonolslipidsendothelial functionvascular risk factors

Outcome Measures

Primary Outcomes (1)

  • Vascular Function (measured by Laser Doppler Iontophoresis and Pulse Wave Analysis / Pulse Wave Velocity)

    Baseline and post intervention

Secondary Outcomes (1)

  • Established and novel blood markers for vascular disease

    baseline and post intervention

Study Arms (2)

Beverage

PLACEBO COMPARATOR
Dietary Supplement: Placebo Beverage

High Polyphenol Beverage

ACTIVE COMPARATOR
Dietary Supplement: High polyphenol beverage

Interventions

High polyphenol beverageDIETARY_SUPPLEMENT

Antioxidant capacity umol TE/L(ORAC): 19987 Polyphenolic Content(mcg/ml): 1445 Vitamin C (mg/100ml): 35.35 Calorie Content (Kcal/250ml):40.0 250ml twice daily for 1 month (56 doses)

High Polyphenol Beverage
Placebo BeverageDIETARY_SUPPLEMENT

Antioxidant capacity umol TE/L(ORAC): negligible Polyphenolic Content(mcg/ml): negligible Vitamin C (mg/100ml): 0.00 Calorie Content (Kcal/250ml):40.0 250ml twice daily for 1 month (56 doses)

Beverage

Eligibility Criteria

Age55 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age \>/= 55 years
  • BMI \> 25

You may not qualify if:

  • Present smoker or smoked within the last 2 years
  • HBA1C \> 6.0%
  • eGFR\<60
  • LFT \>/= 3 times upper limit of normal
  • Hypertension: systolic blood pressure \> 160mmHg; diastolic blood pressure \> 90mmHg, or on medication for hypertension.
  • Chronic disease, likely to be clinically relevant (eg:
  • cardiorespiratory, rheumatological, cerebrovascular or neoplastic disease)
  • Vitamin supplements within the previous 14 days
  • Medications which, in the opinion of the investigators, are known to influence vascular function (eg corticosteroids).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

British Heart Foundation Glasgow Cardiovascular Research Centre

Glasgow, G12 8TA, United Kingdom

RECRUITING

Related Publications (1)

  • Mullan A, Delles C, Ferrell W, Mullen W, Edwards CA, McColl JH, Roberts SA, Lean ME, Sattar N. Effects of a beverage rich in (poly)phenols on established and novel risk markers for vascular disease in medically uncomplicated overweight or obese subjects: A four week randomized placebo-controlled trial. Atherosclerosis. 2016 Mar;246:169-76. doi: 10.1016/j.atherosclerosis.2016.01.004. Epub 2016 Jan 6.

MeSH Terms

Conditions

Cardiovascular Diseases

Study Officials

  • Naveed Sattar, MBChB PhD FRCPath FRCP

    University of Glasgow

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Adam WF Mullan, MBChB MRCP

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

November 19, 2008

First Posted

November 21, 2008

Study Start

June 1, 2008

Primary Completion

January 1, 2009

Study Completion

March 1, 2009

Last Updated

November 21, 2008

Record last verified: 2008-11

Locations