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Does vitamin D alone, or in combination with probiotics improve symptoms of irritable bowel syndrome (IBS) (PROBIVIT)?

Not Applicable
Completed
Conditions
Irritable Bowel Syndrome
Digestive System
Registration Number
ISRCTN75474149
Lead Sponsor
niversity of Sheffield (UK)
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
150
Inclusion Criteria

1. 18-65 years old
2. Diagnosed with IBS
3. Moderate-severe symptom severity

Exclusion Criteria

1. Any antibiotic use in the past 4 weeks (likely to modify gut flora)
2. Any changes in IBS medication/therapies in the last 4 weeks (may affect IBS symptoms which would influence the results of the trial)
3. Pregnant or lactating females
4. Regular use of vitamin/probiotic supplements (again may influence trial results)
5. Any previous GI surgery, GI cancers or inflammatory bowel disease
6. Diabetes mellitus
7. Current use of antidepressants
8. Current or previous use of antipsychotics

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Reduction in Total Symptom Severity for IBS, measured by VAS at week 8, and a cumulative measure taken fortnightly across the intervention period (weeks 0, 2, 4, 6 + 8)
Secondary Outcome Measures
NameTimeMethod
1. Reduction in composite symptom severity, measured by VAS at week 8, and a cumulative measure taken fortnightly across the intervention period (weeks 0, 2, 4, 6 + 8)<br>2. Change in vitamin D status, measured in serum at baseline and week 8
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