Effect of Milk-free Diet on Weight and Irritable Bowel Syndrome in Morbid Obesity

Norwegian University of Science and Technology

Overview

Innlandet Hospital in Gjøvik is a center for patients suffering from morbid obesity in Hedmark og Oppland, Norway. Patients with either BMI \> 40 kg/m2 or with BMI \> 35 kg/m2 and complications who opt for "gastric bypass" surgery, go through a standard program including a thorough clinical examination and information on the operation, followed by a learning and coping program that consists of standard dietary advise for weight loss and includes weekly visits during 8 weeks. This research project concerns a subgroup in the patient population described above: morbidly obese patients with irritable bowel syndrome (IBS). In this group it will be investigated how an 8 week preoperative milk-free diet affects digestive functions and weight loss. It is known that milk may cause stomach complaints and may make it more difficult to loose weight.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Conditions

Obesity, Morbid

Interventions

milk-freeDIETARY_SUPPLEMENT

milk-free diet during 8 preoperative weeks

Eligibility

Sex: ALLMin age: 18 YearsMax age: 70 Years

Medical Language ↔ Plain English

Inclusion Criteria: * morbid obesity Exclusion Criteria: * no consent * contraindications to surgery

Outcomes

Primary Outcomes

weight loss

Time frame: 8 weeks

Secondary Outcomes

Gastrointestinal symptoms

Gastrointestinal symptom rating scale (GSRS-IBS) in validated Norwegian translation

Time frame: 8 weeks

IgG antigen against milk

analysed at BMLab, Sandvika

Time frame: 8 weeks

Data from ClinicalTrials.gov

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