NCT01146470

Brief Summary

The study hypothesis is that 3 Months Daily Supplementation of RGC will effect blood pressure and vascular function. This will be a single-center, double-blind, random, parallel controlled Study. Study population will include 60 subjects, who will be divided randomly into three groups. The first group will get RGC 200mg, the second group will get RGC 400mg, and the third group will get 200mg placebo.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for not_applicable hypertension

Timeline
Completed

Started Jul 2010

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 16, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 17, 2010

Completed
14 days until next milestone

Study Start

First participant enrolled

July 1, 2010

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2012

Completed
Last Updated

February 20, 2013

Status Verified

June 1, 2010

Enrollment Period

1.5 years

First QC Date

June 16, 2010

Last Update Submit

February 17, 2013

Conditions

Outcome Measures

Primary Outcomes (1)

  • To investigate the influence of RGC on blood pressure and vascular function.

    3 months of treatment

Secondary Outcomes (1)

  • The change in oxidative stress parameters

    3 months of treatment

Study Arms (3)

RGC 200 mg

EXPERIMENTAL
Dietary Supplement: RGC

RGC 400 mg

EXPERIMENTAL
Dietary Supplement: RGC

Placebo

PLACEBO COMPARATOR
Dietary Supplement: Placebo

Interventions

RGCDIETARY_SUPPLEMENT

dosage of Red Grape Cells once a day, during 3 months

RGC 200 mgRGC 400 mg
PlaceboDIETARY_SUPPLEMENT

dosage of Placebo once a day, during 3 months

Placebo

Eligibility Criteria

Age35 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 35-70
  • BMI \< 40.0 kg/m2
  • Blood pressure: SYS. ≤154 mmHg, DIA. ≤93 mmHg.

You may not qualify if:

  • Breastfeeding or pregnancy.
  • Milk allergy - the substance may contain traces of milk protein (casein).
  • Taking anti-hypertensive medications.
  • Taking antioxidant food supplements, excluding probiotic agents and fibers (taken for less than two weeks before beginning the study).
  • Subjects suffering from any of the following conditions: cardiovascular disorders, renal disorders, intestinal disorders, hepatic disease, malignant or autoimmune diseases or other metabolic diseases.
  • A subject whose baseline blood tests indicate abnormalities in hepatic or renal function, thyroid function or blood count.
  • Unusual eating habits.
  • The subject is in the process of active weight loss / gain.
  • Addiction to drugs / alcohol.
  • Medically documented psychiatric problems or neurological disorders.
  • Smokers. (Subjects who quit smoking more than two years ago may be included in the study).
  • Systolic blood pressure above 154 mmHg.
  • Diastolic blood pressure above 93 mmHg.
  • Taking phosphodiesterase 5 inhibitors for the treatment of erectile dysfunction (Viagra, Cialis, etc.).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tel Aviv Medical Center

Tel Aviv, Israel

Location

MeSH Terms

Conditions

Hypertension

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Study Officials

  • Nachum Vaisman, Professor

    Tel-Aviv Sourasky Medical Center, Israel

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 16, 2010

First Posted

June 17, 2010

Study Start

July 1, 2010

Primary Completion

January 1, 2012

Study Completion

January 1, 2012

Last Updated

February 20, 2013

Record last verified: 2010-06

Locations