Pharmacodynamic Profile of 'Blackadder' Blackcurrant Juice Effects Upon the Monoamine Axis in Humans
1 other identifier
interventional
8
0 countries
N/A
Brief Summary
The current study uses a double-blind, placebo-controlled, randomised cross- over design to assess the pharmacodynamics of the platelet MAO-B inhibition, plasma prolactin levels and blood glucose levels after consumption of a single serve of 'Blackadder' blackcurrant juice.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Jan 2012
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
Study Start
First participant enrolled
January 1, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2013
CompletedFirst Submitted
Initial submission to the registry
November 7, 2016
CompletedFirst Posted
Study publicly available on registry
November 11, 2016
CompletedNovember 11, 2016
November 1, 2016
1.3 years
November 7, 2016
November 9, 2016
Conditions
Outcome Measures
Primary Outcomes (2)
Change from baseline Monoamine Oxidase B - Activity
Platelet monamine oxidase- B activity as measured by the Invitrogen amplex red assay
15, 30, 45 60, 100, 120, 150, 180 and 240 minutes and 24h post dose.
Change from baseline peripheral prolactin levels
15, 30, 45 60, 100, 120, 150, 180 and 240 minutes and 24h post dose.
Secondary Outcomes (1)
Change from baseline postprandial blood glucose
15, 30, 45 60, 100, 120, 150, 180 and 240 minutes and 24h post dose.
Study Arms (2)
Blackadder Juice
EXPERIMENTALCold pressed Blackadder blackcurrant juice. Standardised at 500mg of polyphenols per 60kg of body weight
Placebo
PLACEBO COMPARATORSugar, flavour and volume matched placebo control drink.
Interventions
Eligibility Criteria
You may qualify if:
- Healthy
- Male
- Aged 18-35
- Non- smoker
- No history of metabolic disease
You may not qualify if:
- Diagnosis of blood-borne disease
- Diagnosed history of any psychiatric disorder
- Aged under 18 or over 35 years
- BMI above 30 kg/m2 or below 17 kg/m2,
- Diagnosis of diabetes or current use of prescription or over-the-counter drugs
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Northumbria Universitylead
- Plant & food Research Ltdcollaborator
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 7, 2016
First Posted
November 11, 2016
Study Start
January 1, 2012
Primary Completion
May 1, 2013
Study Completion
May 1, 2013
Last Updated
November 11, 2016
Record last verified: 2016-11
Data Sharing
- IPD Sharing
- Will not share