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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01244945
Other study ID # 1026D
Secondary ID
Status Completed
Phase Phase 4
First received November 17, 2010
Last updated March 26, 2014
Start date January 2011
Est. completion date January 2014

Study information

Verified date March 2014
Source Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
Contact n/a
Is FDA regulated No
Health authority Italy: Ministry of Health
Study type Interventional

Clinical Trial Summary

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.


Recruitment information / eligibility

Status Completed
Enrollment 72
Est. completion date January 2014
Est. primary completion date December 2013
Accepts healthy volunteers No
Gender Both
Age group 19 Years to 65 Years
Eligibility 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 Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
L. reuteri DSM 17938
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.
Other:
Placebo Group
Placebo tabs identical in form, taste and consistency to active tabs

Locations

Country Name City State
Italy National Institute for Digestive Diseases IRCCS "S. de Bellis" Castellana Grotte Bari

Sponsors (1)

Lead Sponsor Collaborator
Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis

Country where clinical trial is conducted

Italy, 

References & Publications (5)

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. — View Citation

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. Review. — View Citation

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. — View Citation

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. — View Citation

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. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Improvement in gastrointestinal symptoms after 3 months of probiotic administration 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. Before the start of the study (Time 0) and after 90 days of treatment (Time 90) No
Secondary Changes in metabolic parameters after 3 months of probiotic administration 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. Before the start of the study (time 0) and after 90 days of treatment (Time 90) No
Secondary Changes in physiological parameters after 3 months of probiotic administration 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 Before the start of the study (Time 0) and after 90 days of treatment (Time 90) No
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