- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT05343533
Probiotic Administration on Mood (PAM)
Impact of Probiotic Administration on Mood, Psychological Traits, Physical Activity, Stress, and Sleep Quality
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Detailní popis
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.
Typ studie
Zápis (Aktuální)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
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Missouri
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Saint Charles, Missouri, Spojené státy, 63301
- Lindenwood University
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
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
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Jiný
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Dvojnásobek
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
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Experimentální: 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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Komparátor placeba: 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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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Beck Depression Index II
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
---|---|---|
Hours Asleep
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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
Časové okno: 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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Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Aktuální)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Další relevantní podmínky MeSH
Další identifikační čísla studie
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