title: Effect of regular ingestion of Saccharomyces boulardii plus inulin or Lactobacillus acidophilus LB in children colonized by Helicobacter pylori.
abstract: OBJECTIVE
  To evaluate the effect of a probiotic, Lactobacillus acidophilus LB (LB), or a synbiotic, Saccharomyces boulardii plus inulin (SbI), on Helicobacter pylori (Hp) colonization in children.
  
  
  METHODS
  A clinical trial was carried out in a school from a low socio-economic area of Santiago. Two hundred and fifty-four asymptomatic children (8.40+/-1.62 y) were screened for Hp by the (13)C-Urea Breath Test ((13)C-UBT). Hp-positive children were randomly distributed into three groups to receive either antibiotic treatment (lanzoprazole, clarythromycin and amoxicillin) for 8 d, or SbI or LB daily for 8 wk. A second (13)C-UBT was carried out at this time. Spontaneous clearance was evaluated in the same way in 81 infected, untreated children. The differences in the delta(13)CO(2) over baseline values before and after treatments (?DOB) were evaluated.
  
  
  RESULTS
  182 subjects (71.7%) were colonized by Hp, and 141 of them completed their treatment (22.5% dropout). Hp was eradicated in 66%, 12% and 6.5% of the children from the Ab, SbI and LB groups, respectively, while no spontaneous clearance was observed in the children without treatment. A moderate but significant difference in ?DOB was detected in children receiving living SbI (-6.31; 95% CI: -11.84 to -0.79), but not in those receiving LB (+0.70; 95% CI: -5.84 to +7.24).
  
  
  CONCLUSIONS
  S. boulardii seems promising as an agent that interferes with Hp in colonized individuals. More studies are needed to confirm these results and to elucidate the mechanisms by which Sb inhibits Hp.
authors.affiliation: Laboratory of Microbiology, University of Chile, Santiago, Chile. mgottela@inta.cl
authors.forename: Martin
authors.initials: M
authors.lastname: Gotteland
authors.forename: Laura
authors.initials: L
authors.lastname: Poliak
authors.forename: Sylvia
authors.initials: S
authors.lastname: Cruchet
authors.forename: Oscar
authors.initials: O
authors.lastname: Brunser
mesh_terms: D002648:Child; D005260:Female; D016481:Helicobacter Infections / Q000188:drug therapy / Q000628:therapy*; D016480:Helicobacter pylori; D006801:Humans; D007444:Inulin / Q000627:therapeutic use*; D007779:Lactobacillus acidophilus; D008297:Male; D019936:Probiotics; D012440:Saccharomyces
chemical_list: D007444:Inulin