Sleep Clinical Trial
— PIASOfficial title:
Postbiotic Intervention for Acute Stress Management
NCT number | NCT06097182 |
Other study ID # | 2023-086 |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | October 2023 |
Est. completion date | September 2024 |
The study aims to evaluate the sub-chronic effects of colonic delivery of a postbiotic on stress response, mood state, sleep, and cognition in healthy young subjects with elevated self-reported stress levels. It is hypothesized that oral intake of the postbiotic, when released in the colonic intestinal site, leads to a blunted subjective and objective stress response after a stress induction.
Status | Recruiting |
Enrollment | 75 |
Est. completion date | September 2024 |
Est. primary completion date | May 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 21 Years to 30 Years |
Eligibility | Inclusion Criteria: - Aged 21 to 30 years - Men - Perceived Stress Scale (PSS-10) score >13 - Own and uses a smartphone that is capable to run the study applications with access to the internet - Adequate fluency in the English language to understand the inform consent process, study instructions and study assessments - Sufficient vision and hearing to complete study procedures - Willing to commit to the study procedures - Willing and able to participate and to give written informed consent All inclusion criteria will be assessed based on self-reported information during the screening visit. Exclusion Criteria: - Past (< 6 months prior to the study) or current major neurological, psychiatric, gastrointestinal, metabolic disease or cardiovascular disease - Past (<1 months prior to the study) or current use of psychoactive medication, cardiovascular medication, or corticosteroids. - Known medical history of hypotension or currently on antihypertensive medication - Alcohol intake >1 units day - Present or past history of alcohol or drug addiction and/or recreational drug use - BMI <18.5 or >25 kg/m2 - Maltodextrin allergy - Members of the research team or their immediate family members. An immediate family member is defined as spouse, parent, child, or sibling, whether biological or legally adopted All exclusion criteria will be assessed based on self-reported information during the screening call. |
Country | Name | City | State |
---|---|---|---|
Singapore | Human Development Research Centre, SICS, A*STAR | Singapore |
Lead Sponsor | Collaborator |
---|---|
Singapore Institute for Clinical Sciences |
Singapore,
Boets E, Gomand SV, Deroover L, Preston T, Vermeulen K, De Preter V, Hamer HM, Van den Mooter G, De Vuyst L, Courtin CM, Annaert P, Delcour JA, Verbeke KA. Systemic availability and metabolism of colonic-derived short-chain fatty acids in healthy subjects: a stable isotope study. J Physiol. 2017 Jan 15;595(2):541-555. doi: 10.1113/JP272613. Epub 2016 Sep 18. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Ecological Momentary Assessments (EMA) | Subjects are asked to indicate their current state on a visual analogue scale ranging from 'not at all' to 'very much' using a slider. | Day 1-6 (4/day), Day 7 (2/day), Day 8 (1/day) | |
Other | Salivary a-amylase | a-amylase levels, as a marker of autonomic nervous system activation | Day 7 (5/day) | |
Other | Gastrointestinal Symptoms | Participants will be asked to rate the average severity of the following five symptoms over the preceding 24 hours on a 5-point scale from 0 (absent) to 4 (very severe): bloating/distension, passage of gas, rumbling, feeling of fullness and abdominal discomfort/pain. A daily total score is calculated by summing all items recorded each day. A lower score is concomitant with lower severity of symptoms. | Days 1-7 (1/day) | |
Other | Respiratory Rate | Measured as how many breaths per minute. Continuous monitoring via a smartwatch. | Days 1-7 | |
Other | Electrodermal Activity (EDA) | 4 user-initiated 2 min sessions per day. Measured via a smartwatch and the total score per session is provided by the watch. | Days 1-7 | |
Other | Speech Analysis for digital stress biomarkers | Subjects are requested to verbally reproduce an orally presented standard short story from Newcomer Story Set. A high-resolution video with audio will be recorded and exploratory analyses of speech characteristics will be performed. | Day 7 (2/day) | |
Other | Eye Movement Analysis for digital stress biomarkers | Subjects are requested to verbally reproduce an orally presented standard short story from Newcomer Story Set. A high-resolution video with audio will be recorded and exploratory analyses of eye movements will be performed. | Day 7 (2/day) | |
Other | Facial Expression Analysis for digital stress biomarkers | Subjects are requested to verbally reproduce an orally presented standard short story from the Newcomer Story Set. A high-resolution video with audio will be recorded and exploratory analyses of facial characteristics will be performed. | Day 7 (2/day) | |
Other | Handwriting Analysis for digital stress biomarkers | Subjects are requested to write down words of a specific category with a specified starting letter. As an exploratory outcome, a digital picture of the written text will be analyzed for handwriting characteristics such as trace, calibre, slant, and distance. | Day 7 (2/day) | |
Other | Cognitive performance | Cognitive performance will be assessed with a short (5 min) test battery consisting of tests of processing speed, spatial memory, and reaction time delivered through a mobile application that was developed to assess individuals' cognition in natural, non-laboratory, settings. | Days 1-8 | |
Primary | Salivary Cortisol | cortisol levels, as a marker of hypothalamic-pituitary-adrenal (HPA) axis activation | Day 7 (5/day) | |
Secondary | State Trait Anxiety Inventory (STAI-6) | The STAI-6 is a validated short-form version (6 items) of the 40-item STAI questionnaire, measuring current anxiety symptoms on a 4-point Likert scale. Total score is calculated (range 6-24). | Day 7 (2/day) | |
Secondary | The Brunel Mood Scale (BRUMS) | The BRUMS is a 24-item questionnaire of simple mood descriptors such as angry, nervous, unhappy, and energetic. The BRUMS has six subscales, with each of the subscales containing four mood descriptors. The subscales are anger, confusion, depression, fatigue, tension, and vigour. Responses are recorded using a 5-point Likert scale (0-4). | Day 7 (2/day) | |
Secondary | Heart Rate | Measured as beats per minute. Continuous monitoring via a smartwatch. | Days 1-7 | |
Secondary | Sleep Activity | During sleep, the activity will be monitored via a smartwatch throughout the sleep session. | Days 1-7 |
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