• Xavier Pourrat, Clarisse Roux, Brigitte Bouzige, Valérie Garnier, Armelle Develay, Benoit Allenet, Martial Fraysse, Jean-Michel Halimi, Jacqueline Grassin, and Bruno Giraudeau.
• Pharmacy Department, Pharm D, Tours University Hospital, 2 boulevard Tonnelle, 37044 Tours cedex 09, France. x.pourrat@chu-tours.fr.
• Trials. 2014 Jan 1; 15: 260.

BackgroundPatients are at risk of drug-related problems (DRPs) at transition points during hospitalization. The community pharmacist (CP) is often the first healthcare professional patients visit after discharge. CPs lack sufficient information about the patient and so they may be unable to identify problems in medications, which may lead to dispensing the wrong drugs or dosage, and/or giving wrong information. We aim to assess the impact of a complex intervention comprising of medication reconciliation performed at discharge by a hospital pharmacist (HP) with communication between the HP and CP on DRPs during the seven days following discharge.Methods/DesignThe study is a cluster randomized crossover trial involving 46 care units (each unit corresponding to a cluster) in 22 French hospitals during two consecutive 14-day periods, randomly assigned as 'experimental' or 'control' (usual care) periods. We will recruit patients older than 18 years of age and visiting the same CP for at least three months. We will exclude patients with a hospital length of stay of more than 21 days, who do not return home or those in palliative care. During the experimental period, the HP will perform a medications reconciliation that will be communicated to the patient. The HP will inform the patient's CP about the patient's drug therapy (modification in home medication, acute drugs prescribed, nonprescription treatments, and/or lab results). The primary outcome will be a composite outcome of any kind of drug misuse during the seven days following discharge assessed at day seven (±2) post-discharge by a pharmacist in charge of the study who will contact both patients and CPs by phone. The secondary outcome will be unplanned hospitalizations assessed by phone contact at day 35 (±5) after discharge. We plan to recruit 1,176 patients.DiscussionThis study will assess the impact of a reconciliation of medications performed at patient discharge followed by communication between the HP and the patient's CP. It will allow for identifying the type of patients in France for which the intervention is most relevant.Trial RegistrationThis study was registered with ClinicalTrials.gov (number: NCT02006797) on 5 December 2013.

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