Researcher on Medication assessement in real-world setting: Pharmacoepidemiology (medicoadministrative databases; drug utilisation studies; quantification of risks associated to drug use in population) and Pharmacovigilance (signal detection methods and biases; identification of safety signals; spontaneous reporting; spontaneous reporting databases). Specific focus on real-world evaluation of drugs in elderly, polymedication, drug-drug interactions, and association between drug use and ERs.