Clinical Research Directory

Inclusion Criteria: * 70 years or older * Polypharmacy, the use of 5 or more regular medications, defined as authorised medications with registration numbers, used for more than 30 days. Topical preparations are excluded from this definition. * Admitted to hospital through the ED (which comprises both the general emergency department and the cardiac emergency department) * Length of hospitalisation more than 24 hours * Completed medication verification * DRA prediction percentage of 23.0% or higher Exclusion Criteria: * No informed consent by patient or a legal representative * Participation in an interfering clinical trial * Elective hospital admission * Direct admission to the ICU (when medication verification as usual can't be executed, and therefore inclusion of patients as described in 10.2 is not possible) * A life expectancy of less than 3 months, which includes patients with palliative treatment at home, direct admission to palliative care or palliative care planned within 24 hours after index hospital admission. * Patient or legal representative not able to speak Dutch. * Follow-up of patient primarily by secondary caregivers. This refers to situations where the secondary caregiver is in the lead of the medication list of the patient instead of the GP or elderly care physician, for example in the following patient groups: * patients receiving intensive oncologic therapy * patients in an organ- or stem cell transplantation procedure * patients receiving intensive (chronic) psychiatric care, such as patients admitted to a medical psychiatric unit * patients on dialysis