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  • Title: A 2-strain mixture of Lactobacillus acidophilus in the treatment of irritable bowel syndrome: A placebo-controlled randomized clinical trial.
    Author: Sadrin S, Sennoune S, Gout B, Marque S, Moreau J, Zinoune K, Grillasca JP, Pons O, Maixent JM.
    Journal: Dig Liver Dis; 2020 May; 52(5):534-540. PubMed ID: 31952938.
    Abstract:
    BACKGROUND: In the absence of a well-established therapeutic approach, patients with irritable bowel syndrome seek alternative strategies such as probiotics. AIMS: The current trial named LAPIBSS aimed to demonstrate the efficacy of a 2-strain mixture of Lactobacillus acidophilus to improve irritable bowel syndrome symptoms. METHODS: Eighty patients diagnosed for irritable bowel syndrome were recruited to a multicentre, double-blinded, in parallel groups, placebo-controlled, randomized clinical trial. Patients were provided with a daily dose of two capsules containing either probiotics (5 × 109 cfu/capsule) or placebo for 8 weeks. The primary outcome was abdominal pain score assessed with a 100-mm visual analogue scale. Secondary outcomes included scores of bloating, flatus and rumbling assessed with a 100-mm visual analogue scale, a composite score and bowel habits. RESULTS: Abdominal pain score was significantly improved in both groups at weeks 4 and 8 (P < 0.0001), but no significant differences were found between groups at week 8 (19.0 ± 2.5 vs 25.1 ± 2.6, respectively; LS Means differences = 6.0 ± 3.2; P = 0.06). Significant differences between groups were observed for flatus score at week 4 (P = 0.04) and week 8 (P = 0.03) and composite score (P = 0.04) at week 8. CONCLUSIONS: The consumption of the 2-strain mixture of L. acidophilus over 8 weeks is safe and decreases significantly flatus and composite scores. TRIAL REGISTRATION NUMBER: EudraCT No 2008 A00844-51.
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