Clinical Obesity Staging Tools (COST)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01112228
Recruitment Status : Completed
First Posted : April 28, 2010
Last Update Posted : September 20, 2010
Information provided by:
Imperial College London

Brief Summary:
This study will assess various published staging tools to assess the health impacts of obesity on individuals. The aim is to identify benefits and drawbacks, and thus help Obesity Centres and GPs better assess obese individuals as well as better identify who benefits most from having weight loss treatment.

Condition or disease Intervention/treatment
Morbid Obesity Procedure: Bariatric surgery

Study Type : Observational
Actual Enrollment : 600 participants
Observational Model: Cohort
Time Perspective: Prospective
Official Title: Assessing Clinical Staging Tools for Tracking the Impacts of Obesity on Individuals
Study Start Date : October 2009
Actual Primary Completion Date : August 2010
Actual Study Completion Date : August 2010

Group/Cohort Intervention/treatment
Obese patients Procedure: Bariatric surgery
Gastric bypass, Sleeve gastrectomy, or Gastric banding

Primary Outcome Measures :
  1. Changes in Obesity Scores after weight loss treatment [ Time Frame: Minimum of 1 year follow-up ]

Secondary Outcome Measures :
  1. Changes in obesity scores in various subgroups [ Time Frame: Minimum of 1 year follow-up ]
    Changes in obesity scores in patients with carious co-morbid conditions (eg, type 2 diabetes, sleep apnoea) before bariatric surgery

  2. Inter-rater variability [ Time Frame: Minimum of 1 year follow-up ]
    Variability in obesity scores assigned by various observers

Information from the National Library of Medicine

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Ages Eligible for Study:   16 Years and older   (Child, Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Individuals with BMI > 40 or >35 and a obesity-related medical condition

Inclusion Criteria:

  • Morbid obesity
  • At least 1 year follow-up after bariatric surgery

Exclusion Criteria:

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01112228

United Kingdom
Imperial Weight Centre, Imperial College London
London, United Kingdom
Sponsors and Collaborators
Imperial College London
Study Chair: Carek le Roux, MD PhD Imperial College London

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Dr Carel le Roux, Imperial College London Identifier: NCT01112228     History of Changes
Other Study ID Numbers: Clinical Obesity Staging Tools
First Posted: April 28, 2010    Key Record Dates
Last Update Posted: September 20, 2010
Last Verified: September 2010

Additional relevant MeSH terms:
Obesity, Morbid
Nutrition Disorders
Body Weight
Signs and Symptoms