- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT05343533
Probiotic Administration on Mood (PAM)
Impact of Probiotic Administration on Mood, Psychological Traits, Physical Activity, Stress, and Sleep Quality
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Description détaillée
In recent years, the presence and awareness of a connection between the intestines and the brain has expanded leading to the understanding of developed communication pathways between the nervous, endocrine, and immune systems. Intestinal bacterial flora are active contributors to this axis through cellular signaling pathways and the release of immune system components, which fundamentally impact the function and action of various physiological systems. Interest in this area evolved through the understanding that various microbiota can produce neuroactive substances and neurotransmitters involved with the endocrine and autonomic nervous system pathways. This research has expanded to state that various bacterial products can influence cognitive functions, involving types of memory and problem-solving. Recent findings have begun to report on the impact that probiotic administration may have on mood, anxiety, and depression. Finally, recent work by Marotta et al. provided some of the first preliminary evidence that probiotic use may also impact mood and sleep quality. While initial work has developed this foundation, very little controlled research is available to help understand key contributing factors. For example, many key questions remain that future research should address to help better understand any impact probiotics may have on mood, depression, and anxiety. Some of these questions include:
Do all forms (genus, strain, etc.) of probiotics exert these impacts? How quickly do they exert impact? How large is the impact? Are certain aspect of affect more impacted than others? Once supplemented, how long is the residual impact (if there is any)? To help provided more guidance towards some of these basic research questions, this study is being proposed. The purpose of the study is to expand upon the previous work of Marotta et al. and determine the impact of probiotic administration on mood, depressive symptoms, anxiety, sleep quality, and other personality traits in a larger group of healthy men and women. This study will expand on the supplementation regimen and include a wider variety of hormonal assessments than what has previously been completed using this combination of probiotics.
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
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Missouri
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Saint Charles, Missouri, États-Unis, 63301
- Lindenwood University
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Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- between the ages of 18 - 50 years
- has a body mass index between 18.5 - 30 kg/m2.
- Anyone with a body mass index between 30 - 32 kg/m2, but has a body composition <25% fat -for men and <35% for women will be accepted into the study
- has been weight stable for the past three months (defined as less than a 5% variation in body -mass over this time)
- is determined to be healthy through completion of a health history questionnaire
Exclusion Criteria:
- Are currently diagnosed or being treated for any cardiac, respiratory, endocrine, psychiatric, musculoskeletal, - renal, hepatic, neuromuscular or metabolic disease or disorder that in the judgement of the study participant's personal physician or research nurse that will preclude their safe participation or will contraindicate quality control over the collected data
- are currently diagnosed with or are being treated for celiac disease, lactose intolerance, digestive insufficiencies or other gastrointestinal complications such as irritable bowel syndrome, ulcerative colitis, etc.
- report having used anabolic steroids within the past 30 days
- report have used any illicit or recreational drugs within the past 30 days
- report the intake of any prescription or over-the-counter medications (i.e., antibiotics) that may impact study outcomes
- report the current use of any dietary supplements known to impact digestion or sleep quality for the past 30 days
- report already taking a probiotic within the past 30 days
- have been actively trying to lose weight
- are currently following a ketogenic or low carbohydrate diet within the past 30 days
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Autre
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Double
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
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Expérimental: Active Probiotic
A mixture of probiotic strains (2.5 gram daily doses of 4 x 109 CFU/packet) of the following species (Lactobacillus fermentum, Lactobacillus rhamnosus, Lactobacillus plantarum, Bifidobacterium longum).
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After baseline or initial testing, participants will be randomly assigned in a double-blind fashion to ingest on a daily basis for 6 weeks either a placebo or a probiotic supplement.
Identical follow-up measurements will then occur each visit after taking their assigned supplement.
After 6 weeks of administration, the supplementation protocol will stop and a final evaluation will be completed 3 weeks later (9 weeks after initial administration) to assess any residual impact of the assigned supplement after a 3-week washout.
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Comparateur placebo: Placebo
Maltodextrin capsule
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After baseline or initial testing, participants will be randomly assigned in a double-blind fashion to ingest on a daily basis for 6 weeks either a placebo or a probiotic supplement.
Identical follow-up measurements will then occur each visit after taking their assigned supplement.
After 6 weeks of administration, the supplementation protocol will stop and a final evaluation will be completed 3 weeks later (9 weeks after initial administration) to assess any residual impact of the assigned supplement after a 3-week washout.
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
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Beck Depression Index II
Délai: 6 Weeks
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The Beck Depression Inventory (BDI) is a 21-item, self-report rating inventory that measures characteristic attitudes and symptoms of depression. Total Score Levels of Depression 0-10 = These ups and downs are considered normal 11-16 = Mild mood disturbance 17-20 = Borderline clinical depression 21-30 = Moderate depression 31-40 = Severe depression over 40 = Extreme depression |
6 Weeks
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COPE Inventory
Délai: 6 weeks
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The COPE Inventory is a multidimensional coping inventory to assess the different ways in which people respond to stress.
Five scales (of four items each) measure conceptually distinct aspects of problem-focused coping (active coping, planning, suppression of competing activities, restraint coping, seeking of instrumental social support); five scales measure aspects of what might be viewed as emotion-focused coping (seeking of emotional social support, positive reinterpretation, acceptance, denial, turning to religion); and three scales measuring coping responses that arguably are less useful (focus on and venting of emotions, behavioral disengagement, mental disengagement).
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6 weeks
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Leiden Index of Depression Sensitivity - Revised
Délai: 6 weeks
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The Leiden Index of Depression Sensitivity (LEIDS) measures cognitive reactivity (CR) to sadness, an aspect of cognitive vulnerability to depression, conceptually similar to rumination.
A higher total score on all the subscales except acceptance and coping shows higher CR.
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6 weeks
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Pittsburgh Sleep Quality Index
Délai: 6 weeks
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A self-rated questionnaire to assess sleep quality and disturbances 19 self-reported items Minimum score: 0; Maximum score: 21 Higher scoring indicated worse sleep quality |
6 weeks
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State-Trait Anxiety Inventory form Y1 and Y2
Délai: 6 weeks
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Measure of trait and state anxiety.
All items on the scale are rated on a 4-point scale (e.g., from "Almost Never" to "Almost Always").
Higher scores indicate greater anxiety.
The STAI is appropriate for those who have at least a sixth-grade reading level.
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6 weeks
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Behavioral Avoidance/Inhibition Scale
Délai: 6 weeks
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A measure of motivation to approach goal-oriented outcomes.
Higher scores correspond to higher motivation to avoid goal oriented outcomes, lower scores indicate lower motivation to avoid goal-oriented outcomes.
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6 weeks
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Bowel Health Questionnaire
Délai: 6 weeks
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Measure of bowel health.
Lower scores indicate lower number of GI disturbances and higher scores indicate higher number of GI disturbances
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6 weeks
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Hours Asleep
Délai: 6 weeks
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Total hours asleep each night as obtained through a fit bit activity monitor
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6 weeks
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Minutes Awake
Délai: 6 weeks
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Total minutes awake each night as obtained through a fit bit activity monitor
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6 weeks
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Number of awakenings
Délai: 6 weeks
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Number of times awakened each night as obtained through a FitBit activity monitor
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6 weeks
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Minutes of restlessness
Délai: 6 weeks
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Total minutes of restlessness each night as obtained through a FitBit activity monitor
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6 weeks
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Number of times Restless
Délai: 6 weeks
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Number of times restless each night as obtained through a FitBit activity monitor
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6 weeks
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Total time Awake and Restless
Délai: 6 weeks
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Total minutes of time awake and restless each night as obtained through a FitBit activity monitor
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6 weeks
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Total time in Bed
Délai: 6 weeks
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Total time in bed each night as obtained through a FitBit activity monitor
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6 weeks
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Calories Burned
Délai: 6 weeks
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Total KCal burned on average each day as obtained through a FitBit activity monitor
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6 weeks
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Steps
Délai: 6 weeks
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Total number of steps on average each day as obtained through a FitBit activity monitor
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6 weeks
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Distance
Délai: 6 weeks
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Total distance traveled each day on average each day as obtained through a FitBit activity monitor
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6 weeks
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Minutes Sedentary
Délai: 6 weeks
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Total minutes sedentary on average each day as obtained through a FitBit activity monitor
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6 weeks
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Minutes Lightly Active
Délai: 6 weeks
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Total minutes Lightly active on average each day as obtained through a FitBit activity monitor
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6 weeks
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Minutes Fairly Active
Délai: 6 weeks
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Total minutes Fairly active on average each day as obtained through a FitBit activity monitor
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6 weeks
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Minutes Very Active
Délai: 6 weeks
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Total minutes Very active on average each day as obtained through a FitBit activity monitor
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6 weeks
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Active Calories
Délai: 6 weeks
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Total minutes of active calories expended on average each day as obtained through a FitBit activity monitor
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6 weeks
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Body Composition
Délai: 6 weeks
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DEXA derived fat mass and fat free mass and bodyfat percentage
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6 weeks
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Collaborateurs et enquêteurs
Parrainer
Collaborateurs
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- IRB-19-212
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Informations sur les médicaments et les dispositifs, documents d'étude
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Essais cliniques sur Probiotic
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