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Weight loss referrals for adults in primary care

A randomised controlled trial of the clinical and cost-effectiveness of primary care referral to a commercial weight loss provider compared to brief intervention consisting of written information about weight loss strategies.           

Background

Obesity has increased in the UK and globally in the last three decades.  Excess weight is estimated to account for 44% of diabetes, 23% of ischemic heart disease and 7-41% of some cancers. The National Institute for Clinical Excellence recommends consideration of any weight loss intervention that meets best practice, including referral to commercial weight loss programmes. Commercial programmes (CP) are usually delivered in large groups, and may be more affordable than interventions led by health professionals, making weight loss initiatives available for more individuals.

The aim of this study is to evaluate the clinical and cost effectiveness of three weight loss interventions delivered in primary care:

  • a) referral to a commercial provider for 12 weeks (CP12)
  • b) referral for 52 weeks (CP52) 
  • and c) brief intervention (BI) of written information on weight loss strategies and regular weighing. 

The primary research question is whether the CP interventions achieve significantly greater weight loss from baseline to 12 months than BI, and whether CP52 achieves significantly greater weight loss from baseline to 12 months than CP12.

Study Design: Randomised controlled trial of the clinical and cost-effectiveness of primary care referral to a commercial weight loss provider.
Sponsor:  MRC Human Nutrition Research         
Ethical Approval: 12/EE/0363
Oxford Chief Investigators: Professor Paul Aveyard, Professor Susan Jebb
Contact Details: charles.cruickshank@phc.ox.ac.uk

WRAP