- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01244945
Lactobacillus Reuteri DSM 17938 in Functional Constipation (LRFC)
March 26, 2014 updated by: Francesco Russo, Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
Effect of Lactobacillus Reuteri DSM 17938 on Gut Motility in Patients With Functional Constipation
The diffusion of gastrointestinal (GI) chronic diseases is significantly increased during the last century in western countries.
In the USA and Northern Europe, constipation is twofold the prevalence found in the East and Southern Europe.
In Italy, constipation affects up to 15-17% of the whole adult population.
Of them, more than half (about 10%) treats this disorder by assuming laxatives, while the remaining does not even assume drugs.
A close relationship between intestinal environment and bacterial flora has been found.
As a matter of fact changes in the intestinal physiology can modify the composition of bacterial flora as well as modifications in the intestinal microbiota can modify the physiology of the gut.
The probiotic effects on the GI motility can be due to substances released by bacteria and/or products of their fermentation.
Also, probiotic may indirectly act by the release of neuroendocrine factors and/or substances released by the immune system.
Clinically, it has already been demonstrated that probiotics exert a positive effect on symptoms and intestinal habit in constipated IBS patients.
In this framework, the idea to perform a long lasting intervention study in patients with functional constipation treated with probiotics sounds convincing.
The present study is a randomized, double blind, placebo controlled, monocentric study, concerning the evaluation of efficacy of 3 months administration of Lactobacillus reuteri DSM 17938 in patients with functional constipation, as defined by the Rome criteria.
Clinical, physiological, hematological and immunologic variables will be evaluated.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
72
Phase
- Phase 4
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Bari
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Castellana Grotte, Bari, Italy, 70013
- National Institute for Digestive Diseases IRCCS "S. de Bellis"
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
19 years to 65 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Fulfilment of the Rome Criteria III for functional constipation
- Availability of at least one GI imaging study during the last five years (colonoscopy, sigmoidoscopy, abdominal ultrasound, barium enema)
- Commitment to availability for the whole study period
Exclusion Criteria:
- Major abdominal surgery
- Presence of any concomitant diseases such as organic GI diseases and/or lactose and gluten intolerance; medical or psychiatric illness
- Alarming symptoms (rectal bleeding, weight loss, etc)
- Family history of peptic ulcer, colorectal cancer, or IBD
- Abnormal laboratory data or thyroid function.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
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Placebo tabs identical in form, taste and consistency to active tabs
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Experimental: L. reuteri DSM 17938
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L. reuteri will be administered at 1x10^8 CFU dosage in form of tabs.
In order to ensure colonization (run in), 4 tabs will be administered per os daily (4x10^8CFU/die) for 15 days.
Then administration will continue with 2 tabs daily (2x10^8 CFU/die) for 90 days.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Improvement in gastrointestinal symptoms after 3 months of probiotic administration
Time Frame: Before the start of the study (Time 0) and after 90 days of treatment (Time 90)
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Validated and structured questionnaires to evaluate gastrointestinal symptoms, to confirm functional constipation diagnosis and to exclude IBS variant constipation.
Score of gastrointestinal symptoms with Gastrointestinal Symptom Rating Score (GSRS); Constipation Symptom Score (CSS); Constipation QoL, Constipation Rome criteria, Diary for the symptoms and for intestinal behavior.
These questionnaires will be administered at baseline, after 45 days of treatment, and at the end of treatment.
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Before the start of the study (Time 0) and after 90 days of treatment (Time 90)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in metabolic parameters after 3 months of probiotic administration
Time Frame: Before the start of the study (time 0) and after 90 days of treatment (Time 90)
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Lipidic and glucidic profile; evaluation of circulating immunological parameters, short chain fatty acid (SCFA)faecal concentrations.
The evaluations will be performed at baseline, after 45 days of treatment and at the end of treatment.
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Before the start of the study (time 0) and after 90 days of treatment (Time 90)
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Changes in physiological parameters after 3 months of probiotic administration
Time Frame: Before the start of the study (Time 0) and after 90 days of treatment (Time 90)
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Physiological parameters: Quali/Quantitative evaluation of the colonic transit time (TTC) with radiopaque markers (qualitative study : RX after 3 days from the 20 markers assumption.
Quantitative study: RX after 3 days from the assumption of 10 markers a day for 6 days in patients with TTC delayed), non invasive evaluation of gastric electrical activity and gastric emptying time (cutaneous electrography (EGG) and 13C octanoic acid breath test).
The evaluations will be performed at baseline, after 45 days of treatment and at the end of treatment
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Before the start of the study (Time 0) and after 90 days of treatment (Time 90)
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Giuseppe Riezzo, M.D., Azienda Ospedaliera Specializzata in Gastroenterologia IRCCS "Saverio de Bellis"
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Indrio F, Riezzo G, Raimondi F, Bisceglia M, Cavallo L, Francavilla R. The effects of probiotics on feeding tolerance, bowel habits, and gastrointestinal motility in preterm newborns. J Pediatr. 2008 Jun;152(6):801-6. doi: 10.1016/j.jpeds.2007.11.005. Epub 2007 Dec 26.
- Russo F, Clemente C, Linsalata M, Chiloiro M, Orlando A, Marconi E, Chimienti G, Riezzo G. Effects of a diet with inulin-enriched pasta on gut peptides and gastric emptying rates in healthy young volunteers. Eur J Nutr. 2011 Jun;50(4):271-7. doi: 10.1007/s00394-010-0135-6. Epub 2010 Oct 12.
- Riezzo G, Clemente C, Leo S, Russo F. The role of electrogastrography and gastrointestinal hormones in chemotherapy-related dyspeptic symptoms. J Gastroenterol. 2005 Dec;40(12):1107-15. doi: 10.1007/s00535-005-1708-7.
- Riezzo G, Chiloiro M, Russo F. Functional foods: salient features and clinical applications. Curr Drug Targets Immune Endocr Metabol Disord. 2005 Sep;5(3):331-7. doi: 10.2174/1568008054863790.
- Valerio F, Russo F, de Candia S, Riezzo G, Orlando A, Lonigro SL, Lavermicocca P. Effects of probiotic Lactobacillus paracasei-enriched artichokes on constipated patients: a pilot study. J Clin Gastroenterol. 2010 Sep;44 Suppl 1:S49-53. doi: 10.1097/MCG.0b013e3181d2dca4.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
January 1, 2011
Primary Completion (Actual)
December 1, 2013
Study Completion (Actual)
January 1, 2014
Study Registration Dates
First Submitted
November 17, 2010
First Submitted That Met QC Criteria
November 19, 2010
First Posted (Estimate)
November 22, 2010
Study Record Updates
Last Update Posted (Estimate)
March 27, 2014
Last Update Submitted That Met QC Criteria
March 26, 2014
Last Verified
March 1, 2014
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1026D
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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