Introduction
The need to improve prescribing and processes surrounding medicines in care homes (long term care facilities) is internationally recognised.Reasons postulated for the lack of evidence include variability in trial design, lack of development of interventions, and poor selection of outcome measures.UK legislative changes in 2006 enabled accredited pharmacists to prescribe independently,In 2015 the UK National Institute for Health and Care Research funded a programme of research (the Care Homes Independent Pharmacist Prescriber Study or CHIPPS) to evaluate this model of care. The programme followed the Medical Research Council’s guidance on development and evaluation of complex interventions,