Tokyo, Dec. 31 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000058401) titled 'Perceptions of opioid analgesics and psychoactive substances among patients and physicians in South Korea' on Dec. 31.

Study Type: Interventional

Study Design: Basic Design - Single arm Randomization - Non-randomized Blinding - Open -no one is blinded Control - Uncontrolled

Primary Sponsor: Institute - Kyung Hee University College of Medicine, Kyung Hee University Hospital

Condition: Condition - patients who had been prescribed opioid analgesics or psychoactive substances, physicians managing these patients Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To inves...