Bridging the gap in the UK’s National Health Service integrated care systems: insights from a mixed methods implementation evaluation of UCLP-PRIMROSE, a care innovation to reduce physical health inequalities for people with severe mental illness

Implementation of UCLP-PRIMROSE was moderately successful in a relatively short period of time. At the end of the research, all teams wanted to sustain delivery. However, further pathway simplification and additional resources are required to spread UCLP-PRIMROSE beyond early pockets of good practice.