Ulcerative Colitis Clinical Trial
Official title:
The Effect of the Multispecies Probiotic Ecologic 825 Versus Placebo in Ulcerative Colitis Patients
RATIONALE: The underlying etiology in inflammatory bowel diseases such as Ulcerative Colitis
is not yet fully understood. Studies suggest a relation between higher intestinal
permeability and aberrant changes of the epithelium. Dysbiosis of the intestinal microbiota
might be the cause. Probiotics may restore the balance of the intestinal microbiota. In
theory this could improve intestinal permeability and therefore reduce disease activity and
maintain remission in patients with Ulcerative Colitis.
OBJECTIVE: To investigate whether a specifically designed multispecies probiotic mixture
(ecologic 825®), as adjuvant therapy, can contribute to an improvement of intestinal
permeability, microbiota composition, disease activity and inflammatory markers in
ulcerative colitis.
STUDY DESIGN: 12-wk placebo-controlled randomized double-blind intervention with 2 parallel
arms.
STUDY POPULATION: Adults diagnosed with left sided Ulcerative Colitis or Pancolitis in
remission or mild stage of the disease. For inclusion of the patients the Patient Simple
Clinical Colitis Activity Index (P-SCCAI) will be used.
INTERVENTION: Patients will receive either two daily dosages of 3 g of Ecologic® 825 or two
daily doses of 3 g of the placebo, containing only the carrier material (both produced by
Winclove Probiotics).
MAIN STUDY PARAMETERS/ENDPOINTS: Main study parameter is intestinal permeability measured by
several techniques: the lactulose/mannitol absorption test (L/M test), LPS levels in blood
serum and faecal zonulin. Secondary, inflammation will be measured from faecal calprotectin
and blood c-reactive protein (CRP) levels. Furthermore samples will be stored to measure
cytokine concentrations in serum and to analyse the microbial composition of the faecal
samples using the HITchip. For the disease related quality of life the irritable bowel
disease questionnaire (IBD-Q) and SF-36 will be used. All parameters will be measured at
three time points; t=0, t=6 and t=12 weeks.
n/a
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
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