OBJECTIVES: Evaluate whether an intervention applied to general practitioners to prevent clinical inertia had an impact on pain, functionality, and health-related quality of life (HRQoL) of patients with hip and/or knee osteoarthritis. DESIGN: This was a cluster-based, multicentre, prospective, randomized, parallel-group study. Clusters of physicians working were assigned to one of two study groups. Physicians in group 1 received a training session while those in group 2 did not. SETTING: Primary care health centers representative of the entire Spanish territory. PARTICIPANTS: 329 general practitioners of primary healthcare centre. INTERVENTIONS: The intervention consists of a motivational session to propose a proactive care, based on current recommendations. MEASUREMENTS: Visual analogue scale (VAS); functionality (WOMAC scale) and global perception of health by SF-12. Effects were measured in two visits six months apart. RESULTS: A total of 1,361 physicians, and 4,076 patients participated in the study. No significant differences were observed in the clinical benefit obtained between patients assigned to group 1 and group 2. Nevertheless, a significant improvement was observed in the combined population (groups 1+2) in the VAS (p < 0.001), WOMAC (p < 0.0001) and SF-12v2 (p < 0.001) questionnaires in visit 2 compared to visit 1. CONCLUSIONS: The results indicate that, although this specific intervention carried out on physicians did not provide an additional clinical benefit to patients with knee and/or hip osteoarthritis, an increased awareness of the patient's disease through the use of functionality indexes, as well as the mere fact of being observed, seem to improve patient-reported pain, functionality and HRQoL.

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