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Clinical Trial Summary

This study will evaluate the safety and tolerability of the probiotic Lactobacillus reuteri (LR) in healthy adult patients. Patients will be randomized to receive either LR or placebo orally each day for a total of 60 doses. The effects on fecal bacteria, circulating white blood cell receptors and inflammatory cytokine profiles will be measured.


Clinical Trial Description

Lactobacillus reuteri oil drops are a natural product containing Lactobacillus reuteri (LR), which has traditionally been used for the establishment and maintenance of a well-functioning gastro-intestinal (GI) tract micro flora and prevention and treatment of mild diarrhea associated with GI-tract infections. The oil drops contain a dietary supplement of Lactobacillus reuteri DSM 17938. The patients will receive 5 drops (10^8 live organisms) by mouth daily for 60 days. Daily administration will include 5 drops (5x10^8) of L. reuteri or placebo daily for two months. During this time,circulating peripheral blood mononuclear cell (PBMC) toll-like receptor-2 and -4 levels will be measured, along with PBMC cytokine production levels in vitro. Fecal DGGE analysis(with sequencing of bacterial rDNA) will be completed identifying changes in fecal microbiota. Inflammation in the gut will also be assessed by fecal calprotectin assay (ELISA). The time on study treatment is 2 months, with 4 months observation, for a total of 6 months. There will be 7 required visits, during which, we will assess safety and immune system effects. ;


Study Design


Related Conditions & MeSH terms

  • Colic
  • Gastrointestinal Tract Infections

NCT number NCT00922727
Study type Interventional
Source The University of Texas Health Science Center, Houston
Contact
Status Completed
Phase Phase 1
Start date October 2009
Completion date July 2011

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