Calibrated Diets and Human Intestinal Microflora
AlimIntest
Effect of Controlled Diets on Structural and Functional Dynamic of the Human Intestinal Microflora
1 other identifier
interventional
20
1 country
1
Brief Summary
The main objective of the study is to realized a collection of feces in order to study the modification of the intestinal microflora according to alimentary fibres
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Feb 2008
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2008
CompletedFirst Submitted
Initial submission to the registry
March 14, 2008
CompletedFirst Posted
Study publicly available on registry
March 20, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2008
CompletedFebruary 17, 2009
February 1, 2009
5 months
March 14, 2008
February 16, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Modification of the composition or of the functioning of the intestinal microflora during calibrated diets
at day 1, 4 and 5 of each diet
Secondary Outcomes (1)
Modification of the composition or of the functioning of the intestinal microflora during spontaneous diets
before, between and after calibrated diets
Study Arms (2)
A
EXPERIMENTALdiet composed of 10g of fibre per day
B
EXPERIMENTALdiet composed of 40g of fibre per day
Interventions
Eligibility Criteria
You may qualify if:
- BMI between 18,5 and 25
You may not qualify if:
- Antibiotherapy in the previous month
- Current Antibiotherapy
- Gastro-intestinal dysfunction
- Pregnancy, parturient and feeding woman
- Person deprived of freedom by judiciary or administrative decision, person in legal protection,
- Prebiotic and/or osmotic laxatives in the previous month
- Preparation for coloscopy in the previous month
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Clinical research center
Grenoble, 38000, France
Related Publications (7)
Suau A, Bonnet R, Sutren M, Godon JJ, Gibson GR, Collins MD, Dore J. Direct analysis of genes encoding 16S rRNA from complex communities reveals many novel molecular species within the human gut. Appl Environ Microbiol. 1999 Nov;65(11):4799-807. doi: 10.1128/AEM.65.11.4799-4807.1999.
PMID: 10543789BACKGROUNDAaltonen LA, Peltomaki P, Leach FS, Sistonen P, Pylkkanen L, Mecklin JP, Jarvinen H, Powell SM, Jen J, Hamilton SR, et al. Clues to the pathogenesis of familial colorectal cancer. Science. 1993 May 7;260(5109):812-6. doi: 10.1126/science.8484121.
PMID: 8484121BACKGROUNDMoore WE, Moore LH. Intestinal floras of populations that have a high risk of colon cancer. Appl Environ Microbiol. 1995 Sep;61(9):3202-7. doi: 10.1128/aem.61.9.3202-3207.1995.
PMID: 7574628BACKGROUNDBlack AE, Coward WA, Cole TJ, Prentice AM. Human energy expenditure in affluent societies: an analysis of 574 doubly-labelled water measurements. Eur J Clin Nutr. 1996 Feb;50(2):72-92.
PMID: 8641250BACKGROUNDRobinson RR, Feirtag J, Slavin JL. Effects of dietary arabinogalactan on gastrointestinal and blood parameters in healthy human subjects. J Am Coll Nutr. 2001 Aug;20(4):279-85. doi: 10.1080/07315724.2001.10719048.
PMID: 11506055BACKGROUNDTuohy KM, Kolida S, Lustenberger AM, Gibson GR. The prebiotic effects of biscuits containing partially hydrolysed guar gum and fructo-oligosaccharides--a human volunteer study. Br J Nutr. 2001 Sep;86(3):341-8. doi: 10.1079/bjn2001394.
PMID: 11570986BACKGROUNDChinda D, Nakaji S, Fukuda S, Sakamoto J, Shimoyama T, Nakamura T, Fujisawa T, Terada A, Sugawara K. The fermentation of different dietary fibers is associated with fecal clostridia levels in men. J Nutr. 2004 Aug;134(8):1881-6. doi: 10.1093/jn/134.8.1881.
PMID: 15284370BACKGROUND
Study Officials
- PRINCIPAL INVESTIGATOR
Eric Fontaine, MDPhD
University Hospital, Grenoble
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
March 14, 2008
First Posted
March 20, 2008
Study Start
February 1, 2008
Primary Completion
July 1, 2008
Study Completion
September 1, 2008
Last Updated
February 17, 2009
Record last verified: 2009-02