The Effectiveness of Commercial Weight Loss Programmes

July 20, 2006 updated by: University of Surrey

A Randomised Control Trial of Commercial Weight Loss Programme in a Community Based Sample of Obese Adults.

The objective is to compare the effectiveness of 4 different commercial weight-loss diets available to adults in the UK.

This is achieved with a 6 month multi-centre randomised unblinded controlled trial of

  • Dr Atkins' New Diet Revolution,
  • The slimFast Plan,
  • The weight Watchers Pure Points Programme,
  • Rosemary Conley's "Eat Yourself Slim" Diet & Fitness Plan.
  • No diet (control)

Subjects are a community based sample of 300 (60 per group) otherwise healthy overweight and obese adults.

Main outcome measures are weight and body fat change over 6 months.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment

300

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United Kingdom
    • Surrey
      • Guildford, Surrey, United Kingdom, GU2 7XH
        • University of Surrey

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Body mass index (BMI) > 27 and < 40 kg/m2.

Exclusion Criteria:

  • History of coronary heart disease
  • Type 1 or Type 2 diabetes
  • Renal, liver or respiratory failure
  • Gout
  • Taking lipid lowering or anti-hypertensive drugs
  • History of obesity with known cause (i.e. Cushings disease, hypothyroidism)
  • Previous gastric or weight loss surgery
  • Taking any weight loss drug (including Orlistat or Sibutramine)
  • Clinical depression
  • Eating disorders
  • Drug or alcohol abuse
  • Any malabsorptive state (including lactose intolerance)
  • Being treated for a malignancy
  • Being pregnant
  • Breastfeeding

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: NONE

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Weight loss
Fat loss

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Surrey

Collaborators

British Broadcasting Corporation

Investigators

  • Principal Investigator: D J Millward, PhD, University of Surrey
  • Study Director: H A Truby, PhD SRD, University of Surrey

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

July 1, 2002

Study Completion

March 1, 2003

Study Registration Dates

First Submitted

May 17, 2006

First Submitted That Met QC Criteria

May 18, 2006

First Posted (ESTIMATE)

May 19, 2006

Study Record Updates

Last Update Posted (ESTIMATE)

July 21, 2006

Last Update Submitted That Met QC Criteria

July 20, 2006

Last Verified

May 1, 2003

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 107189 BBC

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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