Soluble or insoluble fibre in irritable bowel syndrome in primary care? Randomised placebo controlled trial

To determine the effectiveness of increasing the dietary content of soluble fibre (psyllium) or insoluble fibre (bran) in patients with irritable bowel syndrome.Randomised controlled trial.General practice.275 patients aged 18-65 years with irritable bowel syndrome.12 weeks of treatment with 10 g psyllium (n=85), 10 g bran (n=97), or 10 g placebo (rice flour) (n=93).The primary end point was adequate symptom relief during at least two weeks in...