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Effect of Bacillus coagulans Unique IS2 with Lactulose on Functional Constipation in Adults: a Double-Blind Placebo Controlled Study

  • 2021-10-02
  • Probiotics and Antimicrobial Proteins 15(2)
    • R. Venkataraman
    • R. Shenoy
    • J. Ahire
    • J. Neelamraju
    • R. Madempudi

Abstract

In the present double-blind randomised study, the efficacy of combination of Bacillus coagulans Unique IS2 and lactulose was evaluated in the treatment of functional constipation in adults. One-fifty participants diagnosed with functional constipation (Rome III criteria) were randomised (1:1:1) and supplemented daily with 15 mL suspension of probiotic (B. coagulans Unique IS2, 2 × 109 spores) with lactulose (10 g) (group 1) or lactulose (10 g) (group 2) or placebo (water) (group 3) for 4 weeks. The primary (stool frequency) and secondary outome measures (stool consistency, sensation of incomplete evacuation, defecation- and abdominal-pain) were recorded weekly for up to 4 weeks. Bacillus coagulans Unique IS2 with lactulose showed significant changes in stool frequency as compared to lactulose treatment; however, at the end of the trial, it was found insignificant due to the gradual increase of stool frequency score of lactulose treatment. The changes observed in stool consistency were early (2nd week) and remained consistent up to end of the trial. The significant reduction of sensation of incomplete evacuation, defecation-, and abdominal-pain correlated with the strains ability to produce short-chain fatty acids. No adverse events were observed in any of the groups, and all the vital parameters were normal during the course of the study. Overall, results indicated that B. coagulans Unique IS2 addition to lactulose reduced time required to relieve constipation as compared to lactulose alone. In conclusion, B. coagulans Unique IS2 with lactulose is more effective than lactulose alone to relieve symptoms of constipation in a shorter period. Trial registration: CTRI/2018/11/016399, dated 22/11/2018.

Keywords: Abdominal pain; B. coagulans Unique IS2; Bristol stool consistency; Constipation; Defecation pain; Lactulose.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Bacillus coagulans Unique IS-2Improved Stool ConsistencyBeneficial
Moderate
Bacillus coagulans Unique IS-2Increased Stool FrequencyBeneficial
Moderate
Bacillus coagulans Unique IS-2Reduced Abdominal PainBeneficial
Large
Bacillus coagulans Unique IS-2Reduced Painful DefecationBeneficial
Large
Bacillus coagulans Unique IS-2Reduced Sense of Incomplete EvacuationBeneficial
Large

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