The Effectiveness of Commercial Weight Loss Programmes

University of Surrey300 enrolled

Overview

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 Type

INTERVENTIONAL

Allocation

RANDOMIZED

Masking

NONE

Enrollment

300

Conditions

Obesity

Interventions

calorie controlled dietBEHAVIORAL

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

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

Locations (1)

University of Surrey

Guildford, surrey, United Kingdom

Outcomes

Primary Outcomes

Weight loss

Fat loss

Data from ClinicalTrials.gov

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