Effect of Chlorogenic Acids on the Human Vasculature
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Perth
-
Crawley, Perth, Australia, 6009
- University of Western Australia
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or postmenopausal female healthy volunteers aged 45-65 years old
- Willing and able to sign written informed consent prior to trial entry
- Healthy as determined by the medical history and physical examination
Exclusion Criteria:
- Premenopausal women
- Current smokers
- Abnormal blood pressure, defined as follow: systolic <90 or >140 mmHg and diastolic <60 or >90 mmHg
- Regular consumption of cholesterol-lowering medication
- Regular consumption of antihypertensive medication
- Regular consumption of any vasoactive medication that cannot be discontinued for at least 4 half-lives before the FMD assessment
- Any food allergies
- Any intakes of multivitamin-tablets and other supplemental compounds within 10 days of the study start and throughout the study
- Inability to refrain from coffee/tea and alcohol consumption for 12 h prior to study visits
- Acute or chronic major psychiatric illness or other major illness that in the opinion of the investigator would make the subjects' participation in the study unsafe or prevent them from fully complying with the study procedures
- Use of medication to treat psychiatric illness (depression) within 3 months prior to the study
- Recent significant weight loss or gain (>6% of body weight) in the past 3 months
- Body mass index (BMI) outside 18-32 kg/m2 range
- Alcohol intake > 280g/week (21-28 glasses per week)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Placebo Comparator: Placebo
|
Placebo
|
|
Experimental: 302 mg green coffee extract
Green coffee extract
|
Reconstituted in water and given to subjects
|
|
Experimental: 604 mg green coffee extract
Green coffee extract
|
Reconstituted in water and given to subjects
|
|
Experimental: 906 mg green coffee extract
Green coffee extract
|
Reconstituted in water and given to subjects
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Efficacy by oral administration of chlorogenic acid in improving endothelial function
Time Frame: 24 hours
|
The primary outcome will be the average change from baseline (i.e.
predose) in the %Flow Mediated Dilation
|
24 hours
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Cmax of the different chlorogenic acid metabolites
Time Frame: 24 hours
|
link for endothelial function improvement
|
24 hours
|
|
Area Under Curve of the concentration/time curve
Time Frame: 24 hours
|
Area Under Curve of the concentration/time curve
|
24 hours
|
|
Tmax
Time Frame: 24 hours
|
link for endothelial function improvement
|
24 hours
|
|
elimination half-life.
Time Frame: 24 hours
|
link for endothelial function improvement
|
24 hours
|
Other Outcome Measures
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Blood concentrations in plasma.
Time Frame: 24 hours
|
Blood concentrations in plasma.
|
24 hours
|
|
Safety of the investigational product
Time Frame: from first dose till last visit
|
Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
|
from first dose till last visit
|
Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Study Chair: Leslie Tan, Nestle
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- 1716NRC
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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