The following clinicians contributed to this briefing:
Dr Partha Kar, diabetes consultant, Portsmouth Hospitals NHS Trust, and associate national clinical director for diabetes, NHS England. Dr Kar has done consultancy work for pharmaceutical companies such as Novo Nordisk, Eli Lilly and Sanofi.
Dr Parth Narendran, reader in diabetes medicine, University of Birmingham, and consultant diabetologist, The Queen Elizabeth Hospital, Birmingham: No conflict of interest declared.
Mrs Debbie Hicks, nurse consultant in diabetes, Enfield Health, Barnet, Enfield and Haringey Mental Health Trust. Mrs Hicks has received honoraria from Abbott for giving presentations at educational events plus attendance on advisory boards.
Dr Karen Anthony, consultant in diabetes and endocrinology, The Whittington Hospital NHS Trust: No conflicts of interest declared.
Mrs Victoria Gibson, formulary support/contracts and commissioning senior pharmacist, Medicines Optimisation Team, Cambridgeshire and Peterborough CCG.
Representatives from the following patient organisations contributed to this briefing: