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- Klinische proef NCT01879813
The Effect of a Phospholipid Drink on Cognitive Performance Under Acute Stress
A Randomised, Double-blind, Parallel Groups, Placebo-controlled 6 Weeks Human Intervention Study Investigating the Effect of a Phospholipid Drink on Cognitive Performance
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
The study conforms to a randomised, double-blind, placebo controlled, parallel groups design examining cognitive performance and physiological/subjective stress responses after a psychosocial/physical stressor before and after a six week daily intake of an phospholipid containing drink vs. placebo.
The study will examine:
Cognitive performance following acute stress prior to, and following 6-weeks intake of a phospholipid containing drink or a placebo analogue.
Physiological and subjective stress responses following acute stress prior to, and following 6-weeks intake of a phospholipid containing drink or a placebo analogue
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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West Yorkshire
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Leeds, West Yorkshire, Verenigd Koninkrijk, LS29JT
- Human Appetite Research Unit, University of Leeds
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Male ≥18 years old
- Healthy (self-report health questionnaire)
- BMI <30 kg/m²
- Free from medication (prescribed and 'over-the-counter')
Exclusion Criteria:
- Current psychological affective/mood disorders
- Self-reported physical disorder/disease (significant cardiovascular, autoimmune, endocrine, gastrointestinal or neurological conditions, chronic pain, or sleep disorders)
- High chronic stress
- Smokers
- Recreational drug use (within the last month)
- Night shift work
- Hypertension (resting blood pressure exceeding 160/95 mmHg)
- Skin conditions (e.g. eczema) on hands
- Food allergies
- Participation in a clinical study within a month prior to screening or during participation
- Participation in any of our previous stress induction studies
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Fundamentele wetenschap
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Verviervoudigen
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
---|---|
Actieve vergelijker: Phospholipid drink
Participants will consume a phospholipid drink daily for 6 weeks
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Participant in an intervention parallel group will consume a drink with added phospholipids
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Placebo-vergelijker: Placebo milk drink
Participants will consume a placebo drink (no added phospholipids) daily for 6 weeks
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Participant in an intervention parallel group will consume a drink without added phospholipids
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Cognitive performance change from baseline
Tijdsspanne: Week 1 (baseline) and week 6
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Performance on a cognitive test battery at baseline will be compared to performance at week 6
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Week 1 (baseline) and week 6
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Salivary cortisol change from baseline
Tijdsspanne: Week 1 (baseline) and week 6
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Salivettes will be used to collect salivary cortisol response across exposure to a laboratory stress protocol on two occasions separated by 6 weeks
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Week 1 (baseline) and week 6
|
Blood pressure (systolic/diastolic) change from baseline
Tijdsspanne: Week 1 (baseline) and week 6
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An ambulatory blood pressure monitor will be used to collect blood pressure response profiles across exposure to a laboratory stress protocol on two occasions separated by 6 weeks
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Week 1 (baseline) and week 6
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Heart rate change from baseline
Tijdsspanne: Week 1 (baseline) and 6 weeks
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An ambulatory blood pressure monitor will be used to collect heart rate response profiles across exposure to a laboratory stress protocol on two occasions separated by 6 weeks
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Week 1 (baseline) and 6 weeks
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Subjective stress change from baseline
Tijdsspanne: Week 1 (baseline) and 6 weeks
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The Stress and Arousal Checklist (Mackay, 1978)will be used to collect subjective stress response profiles across exposure to a laboratory stress protocol on two occasions separated by 6 weeks
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Week 1 (baseline) and 6 weeks
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Subjective mood change from baseline
Tijdsspanne: Week 1 (baseline) and 6 weeks
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The Profile of Mood States (Mc Nair et al., 1971)will be used to collect subjective mood response profiles across exposure to a laboratory stress protocol on two occasions separated by 6 weeks
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Week 1 (baseline) and 6 weeks
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Medewerkers en onderzoekers
Sponsor
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Louise Dye, PhD, University of Leeds
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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