- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02202629
Plant Based Extracts and Cognition (CEOPTB)
28. juli 2014 opdateret af: PepsiCo Global R&D
The Effects of Different Combinations of Plant Based Extracts on Cognitive Function and Cerebral Blood Flow in Humans
Acute, randomized, placebo controlled, double blind, 4 arm crossover study to determine the effect of different combinations of plant based extracts on cognitive function and cerebral blood flow.
Studieoversigt
Status
Ukendt
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
The objectives of this study are to assess the effects of oral consumption of three differing combinations of plant based extracts, on cognitive function and cerebral blood flow (using Near infrared Spectroscopy) in comparison to placebo.
The primary outcome will be change in cognitive function and mental fatigue during extended performance of the Cognitive Demand Battery (CDB) at 1, 3 and 6 hours post- consumption.
Undersøgelsestype
Interventionel
Tilmelding (Forventet)
32
Fase
- Ikke anvendelig
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
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Newcastle upon Tyne, Det Forenede Kongerige, NE1 8ST
- Northumbria University
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Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
18 år til 49 år (Voksen)
Tager imod sunde frivillige
Ja
Køn, der er berettiget til at studere
Alle
Beskrivelse
Inclusion Criteria:
- Are over 18 or under 49 years of age
- Self-report of good health
- Are not excluded on the basis of the following exclusion criteria
- English is first language (some of the cognitive tests have only been validated in native English speakers)
Exclusion Criteria:
- Are below 18 or above 49 years of age
- Are a smoker
- Have food allergies or sensitivities to any of the ingredients contained in the investigational product or any other foodstuff
- Currently take medication except the contraceptive pill
- Have habitually used dietary supplements within the last month (defined as more than 3 consecutive days or 4 days in total)
- Have sleep disturbances and/or are taking sleep aid medication
- Have a Body Mass Index (BMI) outside of the range 18-35 kg/m2
- Have high blood pressure (systolic over 139 mm Hg or diastolic over 89 mm Hg)
- Have a history of neurological, vascular or psychiatric illness including epilepsy or seizures (excluding depressive illness and anxiety)
- Have a current diagnosis of anxiety or depression
- Are pregnant, trying to get pregnant or breast feeding
- Have a recent history of (within 12 months of screening visit) or strong potential for alcohol or substance abuse. Alcohol abuse is defined as more than 60g (men) / 40g (women) pure alcohol per day (7 / 5.5 units)
- Are (or are seeking to become) pregnant or are lactating
- Have learning difficulties, dyslexia or colour blindness
- Have visual impairment that cannot be corrected with glasses or contact lenses
- Have frequent migraines that require medication (more than or equal to 1 per month)
- Have disorders of the blood
- Have a heart disorder or a history of vascular illness
- Have a respiratory disorder that requires regular medication (Note: participants with asthma who only take their medication occasionally/as required are eligible for this study)
- Have type I or type II diabetes
- Have a history of renal or hepatic disease, or other severe diseases of the gastrointestinal tract (e.g. iron accumulation, iron utilization disorders, hypercalcaemia, hypercalciuria), that are likely to interfere with metabolism/absorption/secretion of the product under investigation
- Have any health condition that would prevent fulfillment of the study requirements
- Are currently or have in the past 4 weeks participated in other clinical or nutrition intervention studies
- Do not have a bank account (required for payment)
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Dobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Placebo komparator: Cherry flavoured beverage 1
10floz cherry flavoured test article
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|
Eksperimentel: Cherry flavoured beverage 2
10floz of cherry flavoured test article with fruit, vegetable and herbal extracts
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Intervention involves single exposure, oral consumption of test article following baseline measurements
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Eksperimentel: Cherry flavoured beverage 3
10floz of cherry flavoured test article with fruit, vegetable and herbal extracts
|
Intervention involves single exposure, oral consumption of test article following baseline measurements
|
Eksperimentel: Cherry flavoured beverage 4
10floz of cherry flavoured test article with fruit, vegetable and herbal extracts
|
Intervention involves single exposure, oral consumption of test article following baseline measurements
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Change in cognitive function and fatigue during extended performance of the Cognitive Demand Battery (CDB) at 1, 3 and 6 hours post consumption Change in long term declarative memory at 1, 3 and 6 hours post-intervention.
Tidsramme: 1-6 hours post intervention
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1-6 hours post intervention
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Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
Change in executive function at 1, 3 and 6 hours post intervention.
Tidsramme: 1-6 hours post intervention
|
1-6 hours post intervention
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Change in cerebral blood flow parameters (oxygenated and deoxygenated haemoglobin levels and their sum) in the frontal cortex during task performance commencing at 1, 3 and 6 hours post-intervention.
Tidsramme: 1-6 hours post intervention
|
1-6 hours post intervention
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Change in episodic memory, as measured by immediate word recall, at 1, 3 and 6 hours post intervention.
Tidsramme: 1-6 hours post intervention
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1-6 hours post intervention
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Change in mood ratings, at 1,3 and 6 hours post intervention.
Tidsramme: 1-6 hours post intervention
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1-6 hours post intervention
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart
1. juli 2014
Primær færdiggørelse (Forventet)
1. december 2014
Datoer for studieregistrering
Først indsendt
24. juli 2014
Først indsendt, der opfyldte QC-kriterier
28. juli 2014
Først opslået (Skøn)
29. juli 2014
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
29. juli 2014
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
28. juli 2014
Sidst verificeret
1. juli 2014
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- PEP-1406
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .