Cardiovascular Health Clinical Trial
Official title:
A Randomized, Parallel, Double-blind, Placebo-Controlled Study to Investigate the Effect of a Bacillus Subtilis BS50 Spore Preparation on Gastrointestinal Symptoms in Healthy Adults
The primary objective of this study is to investigate the effect of a novel Bacillus subtilis spore preparation on abdominal bloating, flatulence, and burping in healthy adults.
Probiotics are live microorganisms that, when administered in adequate amounts, confer a health benefit on the host. Examples of probiotic health benefits include the support of gastrointestinal health, immune health, and mood. Common probiotic strains include species from the genera Lactobacillus, Bifidobacterium, and Bacillus. Bacillus species are particularly well suited for probiotic applications because they are often manufactured as spores that persist without refrigeration and show survivability in the acidic conditions of the human gut. BIO-CAT Microbials' proprietary Bacillus subtilis BS50 strain ("BS50") has previously been shown in bacterial culture to secrete digestive enzymes and candidate gut microbiota-modulating molecules which may help support digestion and gastrointestinal health (unpublished data). BS50 also showed robust heat resistance and pH tolerance, which predicts strain survival across the wide pH range of the human gut. The objective of this clinical study is to investigate the effect of BS50 supplementation at 2x10⁹ CFU per day for 42 days on abdominal bloating, flatulence, and burping in healthy adults. This study will be a randomized, placebo-controlled, parallel design trial consisting of one screening visit (Visit 1) and two study visits (Visits 2 and 3). At Visit 1 (Day -7), subjects will arrive at the clinic in a fasting state. After subjects provide voluntary informed consent, subjects will undergo medical history, prior and current medication/supplement use, and inclusion and exclusion criteria assessments. Additionally, height, body weight, and vital signs will be measured and BMI will be calculated. Blood samples will be collected for chemistry and hematology analyses. Subjects will also be dispensed a paper Bowel Habits Diary with Bristol Stool Scale (BHD-BSS) and paper Gastrointestinal Tolerance Questionnaire (GITQ) with instructions to capture events occurring during the 7 continuous days prior to Visit 2 (Day 0). The GITQ contains a series of questions regarding the presence and severity of GI symptoms occurring during the past 24 h. At Visit 2 (Day 0), subjects will arrive at the clinic in a fasting state. Subjects will undergo clinic visit procedures (concomitant medication/supplement use, assess inclusion/exclusion criteria, body weight and vital signs measurements), and adverse event (AE) assessment. The paper BHD-BSS and GITQ will be collected and reviewed. To assess sleep quality and determine presence and duration of respiratory infection, subjects will be instructed to complete a paper Sleep Quality and Respiratory Infection Questionnaire (SQ-RIQ) in the clinic. Blood samples will be collected for assessment of markers of intestinal permeability, inflammation, and lipid profile. Subjects will be randomly assigned to a study product. Subjects will be dispensed their assigned study product and will be instructed to consume it once a day (1 capsule/d) for 42 days starting on Day 0. To assess sleep quality and determine presence and duration of respiratory infection, subjects will be dispensed a weekly electronic SQ-RIQ with instructions to complete this questionnaire weekly prior to Visit 3 (Day 42). Subjects will be dispensed the electronic BHD-BSS and electronic GITQ with instructions to capture events occurring daily leading up to Visit 3 (Day 42). At Visit 3 (Day 42), subjects will arrive at the clinic fasted and undergo clinic visit procedures (concomitant medication/supplement use, assess inclusion/exclusion criteria, body weight and vital signs measurements), and adverse event (AE) assessment. Blood samples will be collected for chemistry and hematology analyses as well as for assessment of markers of intestinal permeability, inflammation, and lipid profile. ;
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