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Updated: Jul 6, 2025
08:33
Quantitative Polymerase Chain Reaction-based Analyses of Murine Intestinal Microbiota After Oral Antibiotic Treatment
Published on: November 17, 2018
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Symptomatic Response to Antibiotics in Patients With Small Intestinal Bacterial Overgrowth: A Systematic Review and
Will Takakura1,2, Ali Rezaie2,3, William D Chey1
1Division of Gastroenterology, Department of Medicine, University of Michigan, Ann Arbor, MI, USA.
Journal of Neurogastroenterology and Motility
|January 4, 2024
Summary
Antibiotics effectively treat small intestinal bacterial overgrowth (SIBO) and improve symptoms in irritable bowel syndrome (IBS) patients with SIBO. Further research is needed to confirm these findings for precision medicine.
Area of Science:
- Gastroenterology
- Pharmacology
- Medical Research
Background:
- Systematic review and meta-analysis evaluating antibiotic efficacy for small intestinal bacterial overgrowth (SIBO).
- Investigating symptomatic response to antibiotics in irritable bowel syndrome (IBS) patients with and without SIBO.
Approach:
- Searched MEDLINE, EMBASE, Web of Science, and Cochrane databases.
- Included randomized controlled trials and prospective studies reporting dichotomous outcomes.
- Conducted two meta-analyses: antibiotic vs. placebo for SIBO, and symptomatic response in IBS patients with/without SIBO.
Key Points:
- Antibiotics significantly improved symptoms in SIBO patients compared to placebo (RR 2.46, P=0.004).
- IBS patients with SIBO showed a higher symptomatic response rate to antibiotics (51.2%) than those without SIBO (23.4%) (RR 2.07, P=0.0003).
Conclusions:
- Antibiotics demonstrate efficacy in treating SIBO and improving IBS symptoms in SIBO patients.
- Findings suggest a potential for precision medicine in IBS treatment.
- Larger, multicenter studies are required to validate these results due to limitations in sample size and data quality.
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