- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04088474
Effects of Vigiis 101-LAB on a Healthy Populations' Gut Microflora
Functional Assessment in The Intestinal Flora Improvement
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
1.1 Introduction The human microbiome comprises diverse microbiologic ecosystems and is composed of a variety of bacteria, archaea, microeukaryotes, and viruses. Although investigators have appreciated the diversity of our microbial world for decades, scientists were constrained by the inability to culture many bacteria in the laboratory. Paradigms in biomedical science and medicine are changing in a fundamental way as investigators explore potential contributions of human-associated microbes to health and expand our understanding of disease susceptibility and pathogenesis. In the 21st century, investigators are attempting to develop a more balanced mindset as investigators seek to understand the role of the human microbiome in physiology and manipulate it to optimize health and prevent or treat disease. In recent years, investigators have increased our understanding of microbial communities and their corresponding metagenomes at different human body sites greatly. Healthy gastrointestinal (GI) microbiome should include age, sex, race/ethnicity, and diet. The Human Microbiome Project documented the importance of considering sex and race/ethnicity in evaluating differences between microbiomes of individuals. The human GI microbiome comprises diverse microbial communities that differ based on their location along the length of the GI tract (esophagus, stomach, small intestine, and large intestine or colon). Most human intestinal microbiome studies have relied on stool specimens. Probiotics have showed to possess anti mutagenic, anti carcinogenic and hypocholesterolemic properties. It is well-known that probiotics have a number of beneficial health effects in humans and animals, including the reduction of symptoms in lactose intolerance and enhancement of the bio availability of nutrients. Further, they were also observed to have antagonistic actions against intestinal and food-borne pathogens, to decrease the prevalence of allergies in susceptible individuals and to have immunomodulatory effects. Typically, the bacteria colonise the intestinal tract first and then reinforce the host defence systems by inducing a generalised mucosal immune response, balanced T-helper cell response, self-limited inflammatory response and secretion of polymeric IgA. Scientific reports showed that the Taiwan native lactic acid bacterium from newborn infant faeces identified as Lactobacillus paracasei subsp. paracasei NTU 101 and its fermented products proved to be effective for the management of blood cholesterol and pressure, prevention of gastric mucosal lesion development, immunomodulation and alleviation of allergies, anti-osteoporosis and inhibition the fat tissue accumulation.
1.2 Materials The strain used in the current study was L. paracasei subsp. paracasei NTU 101 (lyophilized powdered, Vigiis 101-LAB; probiotic powder from SunWay Biotech Co., Ltd., Taipei, Taiwan). The Vigiis 101-LAB mixed lactose, crystalline cellulose, and excipient were made into capsules (Vigiis 101-LAB capsule) containing 5 billion bacteria per capsule for the gut flora clinical trial. Maltodextrin was used as a placebo.
1.3 Randomized, double-blind clinical criteria of effects of Vigiis 101-LAB capsule I on gut flora (clinical trial) Vigiis 101-LAB capsule was administered orally once per day, one capsule each time. The entire study took 4 weeks, and subjects were prohibited from eating fermented food products, such as miso, kimchi, fermented dairy products, oligosaccharide-containing foods, and lactic acid bacteria-containing products. Subjects also avoided consuming excessive gas-producing foods (such as soybeans and sweet potatoes) during their daily meals and avoided foods that can cause abdominal distension or promote peristalsis (such as lactic acid beverages and oligosaccharide-containing beverages). After the trial started, subjects recorded their daily number of bowel movements and completed relevant questionnaires at weeks 0, 2, and 4. The subjects visited the doctor once every 2 weeks for monitoring gastrointestinal function and physiological characteristics. At weeks 0, 1, 2, 3, and 4, fecal samples from the subjects were collected and put into bottles containing an anaerobic diluent and shaken to uniformly mix the feces and diluent.
1.4 Outcome measurements Fecal moisture content and pH value testing. Blood biochemical tests were carried out in the laboratory.
1.5. Statistical analysis Data are expressed as the mean ± standard deviation (SD). The statistical significance of the biochemical analyses was determined by one-way analysis of variance (ANOVA) using the general linear model procedure of the statistical product and service solutions software (SPSS Institute, Inc., Chicago, IL, USA). This was followed by ANOVA with a paired t-test to evaluate the difference before and after sample and placebo administration, while the Student t-test was used to compare the difference between test and placebo groups (P ≤ 0.05).
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
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Taipei, Taiwan, 104
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy adults aged ≧ 20 years and ≦ 65 years.
- Subjects with normal weight (body mass index: 18.5-24).
- Subjects with no gastrointestinal diseases or on medication.
Exclusion Criteria:
- Pregnant or lactating women.
- Subjects who are allergic to Lactobacillus.
- Subjects with chronic gastrointestinal diseases.
- Subjects who previously underwent gastrectomy or gastric bypass.
- Subjects with liver, kidney, or heart disease, alcoholism, or uncontrolled diabetes.
- Subjects who developed stroke, psychiatric diseases, or depression within the last 1 year.
- Subjects being administered drugs that can regulate gastrointestinal function, functional foods, bacteriostatic drugs or supplements, antibiotics, antioxidants, or other unknown drugs within the last 2 weeks.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: placebo
Maltodextrin was used as a placebo.
|
Maltodextrin was used as a placebo
|
Experimental: Vigiis 101-LAB
The Vigiis 101-LAB mixed lactose, crystalline cellulose, and excipient were made into capsules (Vigiis 101-LAB capsule I) containing 5 billion bacteria per capsule for the gut flora clinical trial.
The Vigiis 101-LAB mixed lactose, crystalline cellulose, and excipient were also mixed into capsules (Vigiis 101- LAB capsule II) containing 5 billion bacteria per capsule for clinical trial.
|
examined the effects of the Vigiis 101-LAB capsules (5 billion CFU/day)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Microflora analysis of fecal contents
Time Frame: 4 week
|
culture for intestinal defecation Bifidobacterium spp.
Clostridium perfringens.
Lactobacillus spp.
and Escherichia coli
|
4 week
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Jyh Ming Liou, MD,PHD, National Taiwan University Hospital
- Principal Investigator: Tsong Ming Lu, MD, Cheng Hsin Hospital
Publications and helpful links
General Publications
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- Lee N, Kim WU. Microbiota in T-cell homeostasis and inflammatory diseases. Exp Mol Med. 2017 May 26;49(5):e340. doi: 10.1038/emm.2017.36.
- Lin FM, Chiu CH, Pan TM. Fermentation of a milk-soymilk and Lycium chinense Miller mixture using a new isolate of Lactobacillus paracasei subsp. paracasei NTU101 and Bifidobacterium longum. J Ind Microbiol Biotechnol. 2004 Dec;31(12):559-64. doi: 10.1007/s10295-004-0184-z. Epub 2004 Nov 18.
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- Naidu AS, Bidlack WR, Clemens RA. Probiotic spectra of lactic acid bacteria (LAB). Crit Rev Food Sci Nutr. 1999 Jan;39(1):13-126. doi: 10.1080/10408699991279187.
- Orrhage K, Sillerstrom E, Gustafsson JA, Nord CE, Rafter J. Binding of mutagenic heterocyclic amines by intestinal and lactic acid bacteria. Mutat Res. 1994 Dec 1;311(2):239-48. doi: 10.1016/0027-5107(94)90182-1.
- Ouwehand AC, Isolauri E, Kirjavainen PV, Tolkko S, Salminen SJ. The mucus binding of Bifidobacterium lactis Bb12 is enhanced in the presence of Lactobacillus GG and Lact. delbrueckii subsp. bulgaricus. Lett Appl Microbiol. 2000 Jan;30(1):10-3. doi: 10.1046/j.1472-765x.2000.00590.x.
- Ouwehand AC, Salminen S, Isolauri E. Probiotics: an overview of beneficial effects. Antonie Van Leeuwenhoek. 2002 Aug;82(1-4):279-89.
- Pant N, Marcotte H, Brussow H, Svensson L, Hammarstrom L. Effective prophylaxis against rotavirus diarrhea using a combination of Lactobacillus rhamnosus GG and antibodies. BMC Microbiol. 2007 Sep 27;7:86. doi: 10.1186/1471-2180-7-86.
- Perdigon G, Vintini E, Alvarez S, Medina M, Medici M. Study of the possible mechanisms involved in the mucosal immune system activation by lactic acid bacteria. J Dairy Sci. 1999 Jun;82(6):1108-14. doi: 10.3168/jds.S0022-0302(99)75333-6.
- Pool-Zobel BL, Neudecker C, Domizlaff I, Ji S, Schillinger U, Rumney C, Moretti M, Vilarini I, Scassellati-Sforzolini R, Rowland I. Lactobacillus- and bifidobacterium-mediated antigenotoxicity in the colon of rats. Nutr Cancer. 1996;26(3):365-80. doi: 10.1080/01635589609514492.
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- Saavedra JM, Bauman NA, Oung I, Perman JA, Yolken RH. Feeding of Bifidobacterium bifidum and Streptococcus thermophilus to infants in hospital for prevention of diarrhoea and shedding of rotavirus. Lancet. 1994 Oct 15;344(8929):1046-9. doi: 10.1016/s0140-6736(94)91708-6.
- Sekine K, Toida T, Saito M, Kuboyama M, Kawashima T, Hashimoto Y. A new morphologically characterized cell wall preparation (whole peptidoglycan) from Bifidobacterium infantis with a higher efficacy on the regression of an established tumor in mice. Cancer Res. 1985 Mar;45(3):1300-7.
- Sheng Y, Yang X, Lian Y, Zhang B, He X, Xu W, Huang K. Characterization of a cadmium resistance Lactococcus lactis subsp. lactis strain by antioxidant assays and proteome profiles methods. Environ Toxicol Pharmacol. 2016 Sep;46:286-291. doi: 10.1016/j.etap.2016.08.008. Epub 2016 Aug 6.
- Smith PM, Howitt MR, Panikov N, Michaud M, Gallini CA, Bohlooly-Y M, Glickman JN, Garrett WS. The microbial metabolites, short-chain fatty acids, regulate colonic Treg cell homeostasis. Science. 2013 Aug 2;341(6145):569-73. doi: 10.1126/science.1241165. Epub 2013 Jul 4.
- Stecher B. The Roles of Inflammation, Nutrient Availability and the Commensal Microbiota in Enteric Pathogen Infection. Microbiol Spectr. 2015 Jun;3(3). doi: 10.1128/microbiolspec.MBP-0008-2014.
- Sun Y, O'Riordan MX. Regulation of bacterial pathogenesis by intestinal short-chain Fatty acids. Adv Appl Microbiol. 2013;85:93-118. doi: 10.1016/B978-0-12-407672-3.00003-4.
- Tomkovich S, Jobin C. Microbiota and host immune responses: a love-hate relationship. Immunology. 2016 Jan;147(1):1-10. doi: 10.1111/imm.12538. Epub 2015 Nov 2.
- Tsai TY, Chu LH, Lee CL, Pan TM. Atherosclerosis-preventing activity of lactic acid bacteria-fermented milk-soymilk supplemented with Momordica charantia. J Agric Food Chem. 2009 Mar 11;57(5):2065-71. doi: 10.1021/jf802936c.
- Tsai YT, Cheng PC, Fan CK, Pan TM. Time-dependent persistence of enhanced immune response by a potential probiotic strain Lactobacillus paracasei subsp. paracasei NTU 101. Int J Food Microbiol. 2008 Dec 10;128(2):219-25. doi: 10.1016/j.ijfoodmicro.2008.08.009. Epub 2008 Aug 26.
- Tuson HH, Weibel DB. Bacteria-surface interactions. Soft Matter. 2013 May 14;9(18):4368-4380. doi: 10.1039/C3SM27705D.
- Van de Water J, Keen CL, Gershwin ME. The influence of chronic yogurt consumption on immunity. J Nutr. 1999 Jul;129(7 Suppl):1492S-5S. doi: 10.1093/jn/129.7.1492S. Erratum In: J Nutr 1999 Oct;129(10):1932.
- Yu X, Li S, Yang D, Qiu L, Wu Y, Wang D, Shah NP, Xu F, Wei H. A novel strain of Lactobacillus mucosae isolated from a Gaotian villager improves in vitro and in vivo antioxidant as well as biological properties in D-galactose-induced aging mice. J Dairy Sci. 2016 Feb;99(2):903-914. doi: 10.3168/jds.2015-10265. Epub 2015 Dec 17.
- Dement JM, Epling C, Joyner J, Cavanaugh K. Impacts of Workplace Health Promotion and Wellness Programs on Health Care Utilization and Costs: Results From an Academic Workplace. J Occup Environ Med. 2015 Nov;57(11):1159-69. doi: 10.1097/JOM.0000000000000555.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- Sunway002
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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