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Introduction: potentially inappropriate prescribing (PIP) in older hospitalised patients, and in particular those with dementia, is associated with poorer health outcomes. PIP reduction is therefore essential in this population.

Methods: a comprehensive electronic literature search was conducted using 12 databases from inception up to and including September 2014. Inclusion criteria were controlled trials (randomised or non-randomised) of interventions involving pharmacists conducted in hospitals, with an objective of the study being PIP reduction in patients 65 years or older or patients with dementia of any age, using any validated PIP tool as an outcome measure. Risk of bias assessments were conducted utilising the Cochrane Collaboration's tool.

Results: a total of 1,752 records were found after duplicates were removed. Four trials (n = 1,164 patients; two randomised, two non …