Obesity Clinical Trial - Pilot Project on Interdisciplinary Therapy of

Status Recruiting

Clinical Trial Summary

Obese individuals that undergo major intervention such as a low-calorie formula diet program or bariatric surgery with the result of substantial weight loss (> 10%) are included and followed-up for at least 3 years. Weight changes and excess weight loss as well as measures of quality of life are monitored. In addition, biomaterials will be collected from these individuals every 6 months for measurement of parameters related to obesity-associated gastrointestinal (GI) impairments such as change in GI hormone levels, change in GI microbiota, or enhanced bacterial translocation. Moreover, micronutrient and metabolomics analysis will be performed. This project allows comparison of non-surgical and surgical intervention and enables to asses the anticipated relationship between obesity and the GI tract in humans in the future.

Clinical Trial Description

A database and a biomaterial bank will be established to assess, if the role of the gut for the development of obesity and obesity-related diseases such as fatty liver are of relevance in humans, e.g. for classification of afflicted individuals regarding risk or outcome after intervention. During 3 years, the investigators will include 480 obese individuals (4 cohorts of 120 individuals) who undergo a treatment program (either surgical or non-surgical), and follow them up for at least 3 years. Every 6 months, a visit is planned at the obesity center where the initial intervention has been performed. Within the visits, anthropometry (Body Mass Index (BMI), excess body weight (EBW), bioelectrical impedance analysis (BIA)), quality of life (SF36 score, Impact Of Weight On Quality Of Life (IWQOL) questionnaire), and sample collection for laboratory analyses (inflammatory markers, hormones, flora composition, micronutrients, metabolomics etc.) will be performed. Patients will be recruited from 3 centers in Germany. The long-term expectation from this model project is to find gastrointestinal parameters allowing to predict outcome and sustainability of different intervention strategies. In addition, intervention programs will be compared regarding long-term outcome and quality of life changes. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01344525
Study type	Interventional
Source	University of Hohenheim
Contact	Antje Damms-Machado, Dipl. troph.
Phone	+49 711 451017707
Email	antje.machado@uni-hohenheim.de
Status	Recruiting
Phase	N/A
Start date	May 2009
Completion date	May 2029

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Pilot Project on Interdisciplinary Therapy of Obesity

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms