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The effects of cholecalciferol and soy isoflavones in irritable bowel syndrome

The effects of cholecalciferol, soy isoflavones, and co-administration of them versus placebo on pain, flatulence and quality of life in patients with irritable bowel syndrome

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT2013112915582N1
Enrollment
100
Registered
2014-01-03
Start date
2013-12-22
Completion date
Unknown
Last updated
2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Irritable Bowel Syndrome. Irritable colon

Interventions

Intervention 1: Group A receiving Supplement in form of 50000 IU cholecalciferol biweekly for 6 weeks in addition to 40 milligram placebo capsules similar to soy isoflavones including starch 2 capsul
Treatment - Drugs
Group D receiving oral Placebo in similar form to soy isoflavones (diadzein, genstein, glycetin) supplement including starch (2 capsules per day) for 6 weeks in addition to 50000 IU cholecalciferol su
Group A receiving Supplement in form of 50000 IU cholecalciferol biweekly for 6 weeks in addition to 40 milligram placebo capsules similar to soy isoflavones including starch 2 capsules per day for 6
Group B receiving Supplement in form of 40 milligrams soy isoflavones (diadzein, genstein, glycetin) per day (2 capsules of 20 milligrams) for 6 weeks in addition to supplement of cholecalciferol (vi
Group C receiving Placebo in similar form of cholecalciferol supplement biweekly for 6 weeks in addition to 40 milligrams placebo in similar form of soy isoflavones including starch for 6 weeks

Sponsors

National Nutrition and Food Technology Institute
Lead Sponsor
Tehran University of Medical Sciences, Digestive Diseases Research Institute
Collaborator

Eligibility

Sex/Gender
Female
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: age 18-75 yrs; patients with Irritable Bowel Syndrome (IBS) according to ROME III criteria; BMI 18-25; no intestinal organic diseases; no intestinal infection; no history of chronic gastrointestinal and colorectal diseases; no intestinal major surgery; no regular use of antibiotics, anti-constipation and anti-diarrhea, immune suppressors, metocloperamide, cisaperide, difenoxilate, opium and non-steroidal anti-inflammatory drugs; no pregnancy and lactation; not athlete or bed rest; no history of breast cancer in herself or her family; no severe psychosis Exclusion criteria: use of soy isoflavones or vitamin D one year before the study; use of soy milk or soy nuts during study; diet changes during study; use of artificial sweetener 2 days before study; no desire to complete the study; adverse effect of supplement; pregnancy during study

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Clinical Outcomes (pain, flatulence, diarrhea, constipation ). Timepoint: before and after the 6 weeks. Method of measurement: IBS validated Module according to ROME-III criteria.

Secondary

MeasureTime frame
Gut permeability. Timepoint: before and after 6 weeks. Method of measurement: The fecal serin protease.;Antioxidant status. Timepoint: before and after 6 weeks. Method of measurement: Serum total antioxidant capacity.;Inflammation status. Timepoint: before and after 6 weeks. Method of measurement: Serum tumor necrosis factor-alpha.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahsa Jalili

Nutrition Faculty of Shahid Beheshti University of Medical Sciences

jalili.mah@gmail.com+98 21 2235 7483

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026