DIPLOMA – Evaluation of the national NHS Diabetes Prevention Programme

Diabetes Prevention – Long term Multimethod Assessment (DIPLOMA) of the implementation, delivery and outcomes of the ‘Healthier You: National Health Service Diabetes Prevention Programme’ (NHS DPP)

 

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What is the Diabetes Prevention Programme?

The increasing number of people being diagnosed with Type 2 Diabetes Mellitus (T2DM) and at risk of complications has made the disease a major public health concern. Increased levels of blood glucose, known as non-diabetic hyperglycaemia (NDH) and detected by a simple blood test, can provide an early warning sign that people are at risk of developing T2DM. Blood glucose levels, along with associated risk of developing T2DM, can be reduced by addressing lifestyle choices.

 

In 2015, NHS EnglandPublic Health England; and Diabetes UK initiated a nationwide pilot of a T2DM prevention programme. This consisted of seven demonstrator sites, including one in Salford. These sites were used to test new approaches to identifying patients with NDH; and recruiting and engaging them in intervention options, so that learning would shape roll-out of the full programme.

 

The NHS Diabetes Prevention Programme (NHS DPP) commenced during 2016 with a first wave of 27 areas, covering 26 million people - half the population of England. This coverage made up to 20,000 places available for people to receive personalised help to reduce their risk of T2DM, including education on healthy eating and lifestyle; help to lose weight; and tailored exercise programmes. A second wave of the roll-out will spread the NHS DPP to the whole country by 2020 with a target of making 100,000 places available in the NHS DPP annually.

 

The NHS DPP is being delivered by four provider organisations - Ingeus UKReed MomentaICS Health & Wellbeing and Living Well Taking Control (LWTC) - who provide the NHS DPP course with some flexibility to meet local needs.

 

Why is it important?

The NHS DPP is a publicly funded programme. It is the first diabetes prevention intervention delivered at national scale. It is a significant and ambitious programme that aims to deliver behaviour change at scale to reduce the major public health risk that Type 2 Diabetes is.

Hence it is important to have an independent evaluation of the NHS DPP to assess:

  • whether the programme is accessing the patient populations at greatest risk,
  • whether patients receive a high quality diabetes prevention course from their local provider,
  • if the programme is delivering value for money, and
  • to advice what could be done to achieve long-term sustainability nationwide.

 

How we will do it?

DIPLOMA – Evaluation of the NHS DPP is a four year programme of work comprising seven distinct workpackages that make use of quantitative and qualitative methods to assess the following:

  • Access and equality - whether the programme provides fair access for all patients;
  • Implementation of the NHS DPP - exploring how implementation differs across the country;
  • Service delivery and fidelity - checking what is being delivered and how it compares to expectations;
  • Outcomes and variation - assessing outcomes for patients engaged in the programme;
  • Comparative effectiveness - analysing the programme vs. routine care in preventing T2DM;
  • Validation study - a study to collect data on the potential barriers to access;
  • Comparative long-term cost-effectiveness - to assess whether the NHS DPP is cost-effective compared to usual care in terms of long-term costs and benefits.

Each work package provides complementary evidence for the reporting of other work packages. The study will complete in March 2021 with a final report but ongoing feedback is provided to NHS DPP stakeholders as research findings emerge with the aim to support ongoing development and quality improvement.

 

Who are we working with?

NHS England

Public Health England

Diabetes UK

National Instutute of Health Research 

 

 

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More information

For further information please contact Michael Spence (Programme Manager) or Professor Peter Bower (Academic Co-Lead).



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