OBJECTIVE: To measure the effect of a nurse-centered multimodal intervention involving training and sensitization on urinary tract infection, asymptomatic bacteriuria, antibiotic resistance and interprofessional communication on antibiotic therapy. METHODS: This will be a randomized double-arm interventional study in 40 nursing home. The intervention group of 20 nursing home will receive a blended-learning intervention.The primary outcome will be the percentage of reduction in antibiotic prescription at the end of the twelve months following the first visit to nursing home. This data, aggregated by nursing home, will be obtained from the structures concerned via their prescription registration system.