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The Gut Microbiota in Stress, Mood and Eating Behaviours.

Stress Clinical Trial

Official title:
The Effect of Prebiotic Galacto-oligosaccharide on Stress Related Eating Behaviours and Mood.

Clinical Trial Summary

Diet has a considerable influence on microbiota composition and the intake of either prebiotics (microbiota-specific food or probiotics (live microbiota species) has been shown to induce positive effects in both anxiety and depression. At present there are few studies exploring stress-related conditions such as emotional/comfort eating behaviours, particularly in individuals who have experienced early life stress and/or find stress difficult to deal with in regards to gut microbiome composition and subsequent behavioural outcomes. Early life stress has been linked to the development of bulimia nervosa and anorexia nervosa in adolescence and adulthood and since the gut microbiota has been proposed as having a causal role in the aetiology and/or maintenance of disordered eating, an empirical question is whether the microbiota may mediate the relation between stress and disordered eating. This is an investigation into the effects of chronic daily consumption of a prebiotic on stress-related eating and mood.

Clinical Trial Description

Following an initial screening session based on inclusion/exclusion criteria, participants will be randomly allocated into either the treatment or placebo group and provided with three weeks worth of Vivinal-GOS or maltodextrin in powder form (sachets). There will be four clinical visits as detailed below:

1. Training on how to complete food diaries and collect saliva samples for cortisol awakening response measurements

2. Cognitive (Affective GoNoGo and Emotion Recognition Task) and biologic measurements (blood,faecal). This also includes a stress inducing task (Fake Speech Task).Provided with supplement and invited to next session in three weeks' time.

3. Cognitive (Affective GoNoGo and Emotion Recognition Task) and biologic measurements (blood,faecal). This also includes a stress inducing task (Fake Speech Task).

4. (one week after last visit) collection of final faecal sample ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03482258
Study type Interventional
Source University of Roehampton
Contact Ellie Haydon-Islam
Phone 02083923440
Email haydonie1@roehampton.ac.uk
Status Recruiting
Phase N/A
Start date February 1, 2019
Completion date November 2019
View Details
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