NCT02909699

Brief Summary

This study will investigate how resveratrol (phenol present in red grapes, wine and peanuts) can improve heart muscle function and ability of arteries to dilate in response to an increase in blood flow in adults 65 years of age and older. Additionally, investigators will look at how resveratrol can improve functioning of cells (cellular house-keeping) which can be related to cardiovascular function.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
27

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Nov 2016

Geographic Reach
1 country

1 active site

Status
completed

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

First Submitted

Initial submission to the registry

September 13, 2016

Completed
8 days until next milestone

First Posted

Study publicly available on registry

September 21, 2016

Completed
1 month until next milestone

Study Start

First participant enrolled

November 1, 2016

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2018

Completed
Last Updated

November 29, 2018

Status Verified

November 1, 2018

Enrollment Period

1.4 years

First QC Date

September 13, 2016

Last Update Submit

November 28, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Speckle tracking analyses

    Speckle tracking analyses will be performed using advanced quantification software version. Short axis and long axis images will be automatically divided into six segments. Automated tracking of myocardial speckles will be reviewed and manually adjusted as minimally as possible. The tracking quality of each segment will be visually evaluated and if tracking is felt to be inaccurate, strain analysis of that segment will not be included. Speckle tracking analysis provides peak and time to peak measures of circumferential, radial and longitudinal strain and strain rate in 18 left ventricle (LV) segments.

    Change from Baseline and 3 months

Secondary Outcomes (7)

  • Flow-mediated dilation

    Change from baseline and 3 months

  • Autophagy measured by Enzyme-linked immunosorbent assay (ELISA)

    Baseline and 3 months

  • Endothelin-1 protein expression will be measured by Western Blot

    Change from baseline and 3 months

  • Endothelial function endothelial nitric oxide synthase (eNOS) will be measured by Western Blot

    Change from baseline and 3 months

  • Endothelin-1 protein expression will be measured by Enzyme-linked immunosorbent assay (ELISA)

    Change from baseline and 3 months

  • +2 more secondary outcomes

Study Arms (3)

Dose 1

1,000mg of resveratrol per day (1 pill 3 times per day). This ancillary study will be observational without drug administration.

Other: Observation

Dose 2

1,500mg of resveratrol per day (1 pill 3 times per day)

Other: Observation

Placebo

Alike looking 1 pill 3 times per day

Other: Observation

Interventions

In this trial, cardiovascular function will be measured without drug administration. The drug will be administered within the main trial.

Dose 1Dose 2Placebo

Eligibility Criteria

Age65 Years - 99 Years
Sexall
Healthy VolunteersYes
Age GroupsOlder Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Moderately functioning older adults.

You may qualify if:

  • Ability to understand study procedures and to comply with them for the entire length of the study;
  • Age 65 years and older;
  • Moderately functioning (i.e. a summary score of 4 - 12 on the Short Physical Performance Battery);
  • Body Mass Index (BMI) range: 20-39.9 kg/m2;
  • Willingness to undergo all testing procedures.

You may not qualify if:

  • Non-English speaking individual.
  • Failure to provide informed consent;
  • Allergy/sensitivity to grapes or Japanese knotweed;
  • Current dietary supplementation of grape seed extract or ginko biloba;
  • Consumption of ≥ 8 oz. of red wine/dealcoholized red wine/red or purple grape juice more than once weekly;
  • Consumption of any dietary supplements containing resveratrol, quercetin, or P. cuspidatum in the previous 90 days;
  • Active treatment for cancer, stroke (\< 6 months), peripheral vascular disease, coronary artery disease, myocardial infarction (\< 6 months), congestive heart failure (stage III or IV), valvular heart disease, major psychiatric disease, severe anemia (blood levels of Hemoglobin \< 8 g/dl), bleeding disorders or other blood disorders, liver or renal disease, diabetes, severe osteoarthritis, blindness or deafness, fracture in upper or lower extremity ( \< 6 months), upper or lower extremity amputation, or Parkinson's disease;
  • Cognitive impairment (i.e. Mini Mental Status Exam ≤ 23 \& Clinical Dementia Rating ≥1);
  • History of significant head injury;
  • Physical activity (i.e. running, bicycling, etc.) ≥ 150 min/week;
  • Excessive alcohol use (\> 2 drinks/day) or alcohol abuse (\> 5 drinks/day for males, or \> 4 drinks/day for females);
  • History of substance abuse within the past six months;
  • Mood disorder (i.e. Center for Epidemiological Studies - Depression (CES-D) ≥ 16);
  • History of tobacco use within the past three years;
  • Resting heart rate \> 120 bpm at screening visit;
  • +15 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Florida

Gainesville, Florida, 32610, United States

Location

MeSH Terms

Interventions

Observation

Intervention Hierarchy (Ancestors)

MethodsInvestigative Techniques

Study Officials

  • Robert T Mankowski, Ph.D.

    University of Florida

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 13, 2016

First Posted

September 21, 2016

Study Start

November 1, 2016

Primary Completion

March 31, 2018

Study Completion

March 31, 2018

Last Updated

November 29, 2018

Record last verified: 2018-11

Data Sharing

IPD Sharing
Will not share

Locations