ArticleClinical drug investigation2024
A Pilot Study of the Effectiveness of a Short Course of Rifaximin 2200 mg/day on Abdominal Symptoms and its Effects on Quality of Life in Patients with Moderate to Severe Diarrhea-Predominant Irritable Bowel Syndrome.
Article in Clinical drug investigation, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- FMT from IBS-D Rats Impairs Intestinal Barrier Function and is Associated with Increased Intestinal Benzoic Acid andJournal of microbiology and biotechnology · 2026Article
- Irritable bowel syndrome with diarrhea: time to change practice?Current opinion in gastroenterology · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectiveRifaximin is used to treat diarrhea-predominant irritable bowel syndrome (IBS-D). However, determining the most effective regimen remains a challenge. This study aimed to evaluate the effectiveness and safety of a 10-day high-dose course of rifaximin (2200 mg/day) and its effects on both abdominal symptoms and quality of life (QOL) in patients with IBS-D.
methodAdult patients with moderate to severe IBS-D (Rome IV) and fecal urgency and bloating were prescribed rifaximin 1100 mg twice daily for 10 days. Demographic information, the IBS Symptom Severity Index (IBS-SSI) score (using a 7-point Likert scale), and Bristol Stool Scale (BSS) score were recorded at baseline, day 10, and 4 weeks after treatment cessation. IBS Symptom Severity Score (IBS-SSS) and IBS-QOL scores were recorded at baseline and day 10. Any drug adverse effects were recorded.
resultsIn total, 39 patients completed the study. Average scores for all abdominal symptoms and BSS showed significant improvement at day 10 and 4 weeks after treatment cessation (all p < 0.001). A significant improvement was seen in IBS-SSS and overall IBS-QOL score at day 10 (p < 0.001), with the highest improvement (31%) in interference with activity. Moreover, composite improvement rates were 38.64% for all abdominal symptoms, together with BSS < 5, bi-composite (66.67% for abdominal pain + bloating; 61.54% for abdominal pain + urgency), and 56.41% for tri-composite (abdominal pain + bloating + urgency) symptoms. Notably, no serious adverse effects were reported, and the adherence rate was 94.9%.
conclusionsAbdominal symptoms and overall QOL, especially in social and work dimensions, significantly improved in patients with moderate to severe IBS-D following a regimen of rifaximin 2200 mg/day, which was well tolerated.
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Registered trials
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