Beatriz Planelles (Pain Unit, Alicante Department of Health-General Hospital), César Margarit (Pain Unit, Alicante Department of Health-General Hospital), Raquel Ajo (Neuropharmacology on Pain (NED), Research Unit, Department of Health of Alicante-General Hospital), Yolanda Sastre (Pain Unit, Alicante Department of Health-General Hospital), Javier Muriel (Neuropharmacology on Pain (NED), Research Unit, Department of Health of Alicante-General Hospital), María del Mar Inda (Neuropharmacology on Pain (NED), Research Unit, Department of Health of Alicante-General Hospital), María Dolores Esteban (Miguel Hernández University of Elche) and Ana María Peiró (Clinical Pharmacology Unit, Alicante
Department of Health-General Hospital).

Abstract. Safety data from long‐term opioid therapy in the real world has been poorly studied in chronic non‐cancer pain (CNCP). The aim was to design a pharmacovigilance data recording system and assess whether participation in this recording system improves pain management, enhancing patient′s health status.

Keywords. chronic non-cancer pain; opioids; patient’s reports of adverse events; pharmacovigilance data recording system; suspected adverse drug reaction