Barriers of Access to Opioid Medicines within the Context of Palliative Care in Latin America: The Perception of Health Professionals.

Different sets of barriers have been identified to explain the difficulties in the access and availability of opioid analgesics in palliative care, particularly in low- and middle-income countries, including Latin America. To validate a structured questionnaire for the access to opioid medicines and to investigate the perception of health professionals regarding access barriers to opioid analgesics in 17 countries of the Latin American Region. Survey to identify the domains and barriers of access to opioid medicines according to health professionals, including physicians, nurses, and pharmacists affiliated to institutions that provide palliative care in Latin America between August 2019 and October 2020.