This clinical study is designed to evaluate the effect of Mediterranean diet as an add-on therapy for induction of remission in adult patients with active Crohn's disease and to evaluate its effects on clinical, inflammatory and microbial parameters.
The Mediterranean diet has been associated with anti-inflammatory properties and with decreased risk for several chronic diseases. However, the effect of Mediterranean diet has not been evaluated in patients with inflammatory bowel diseases. The purpose of this study is to determine whether Mediterranean diet is superior to a low residue diet as an add-on therapy for induction of remission in adult patients with active Crohn's disease and to evaluate its effects on clinical, inflammatory and microbial parameters. Seventy eligible patients will be randomly assigned to one of two dietary interventions: Mediterranean diet or low residue diet, as an add-on therapy for induction of remission of active Crohn's disease. The effect of the dietary regimens on clinical, inflammatory and microbial parameters will be assessed at 8 and 52 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
100
Eight weeks course of Mediterranean diet (rich in plant-based food and low in animal protein and fat).
Eight weeks course of low residue diet (minimal consumption of foods that add residue to the stool, such as raw fruits, vegetables and seeds, as well as nuts, legumes and whole grains).
Crohn's Disease Activity Index (CDAI)
Change from baseline
Time frame: 8 weeks
C-reactive protein
Change from baseline
Time frame: 8 weeks
Fecal calprotectin
Change from baseline
Time frame: 8 weeks
Remission rate- CDAI<150 + normal CRP/ fecal calprotectin
Time frame: 52 weeks
Response rate- decrease in 70 points in CDAI + decreased CRP/ fecal calprotectin
Time frame: 8 weeks
Microbial composition
Time frame: 8 weeks
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