Obesity gap analysis and prioritisation project

Article type
Authors
Richardson R1, Schoonees A2, Bero L3, Bickerdike L1, Chong LY3, Durao S4, Metzendorf M5, Naude C4, Richter B5, Wolfenden L6, Farquhar C1
1Cochrane Abdomen and Endocrine Network
2Department of Global Health, Stellenbosch University
3Cochrane Public Health and Health Systems Network
4Cochrane Nutrition Field
5Cochrane Metabolic and Endocrine Disorders Group
6Cochrane Public Health Group
Abstract
Background: Obesity is a significant public health problem and is a risk factor for various diseases with considerable health impacts and costs. The Cochrane Abdomen & Endocrine and Public Health & Health Systems Networks and Nutrition Field are undertaking joint prioritisation work. This project was funded by the Cochrane Networks Innovations Fund 2019.

Objectives: Our overall aim is to identify the ‘top ten’ research priorities in the field of obesity that are the most important for stakeholders. Our specific objectives are to identify gaps in the Cochrane Database of Systematic Reviews by comparing existing titles to research needs identified in clinical guidelines, and to consult with stakeholders to prioritise these gaps.

Methods: This is an ongoing project that will be completed before the Colloquium. We conducted comprehensive searches and screened search records to identify relevant Cochrane titles and clinical guidelines using pre-specified eligibility criteria. We data-extracted the Cochrane titles, including their outcomes, and are busy extracting relevant data, recommendations and research needs identified in each guideline. We will produce a ‘gap map’ by comparing the Cochrane titles with the identified research needs. Finally, we will identify and consult with key stakeholders using survey methodology to identify the key areas where Cochrane evidence is needed. Stakeholders will include consumers, policy-makers and clinicians.

Results: We identified 41 Cochrane titles that relate to obesity. These were produced by six different Cochrane Review Groups. The Metabolic and Endocrine Disorders Group produced the majority, with 22 titles. Participants included pregnant and breastfeeding women, children, adolescents, adults and older people, as well as healthcare professionals. Interventions were mostly delivered at an individual level (n=31). We have compiled a set of outcomes for obesity from the included Cochrane titles that will be useful in guiding further research on a core outcomes set.

We identified around 20 relevant guidelines, including ones produced by WHO and several countries such as Canada, Korea and Germany.

Conclusions: We will present all our findings at the Colloquium, including the relevant Cochrane titles and their outcomes, the guidelines and research needs identified, the evidence gap map and the results of the prioritisation exercise. We anticipate that this work will provide an invaluable basis for Cochrane’s future work in this critical area. Our work will also provide a case study in how to carry out a complex multi-component project across several Cochrane entities.

Patient or healthcare consumer involvement: We plan to include healthcare consumers in our prioritisation exercise so that we can identify the research needs that are critical to them.