. 2020 Sep 30;55(3):151–158. doi: 10.5045/br.2020.2020056

Table 3.

Drug use evaluation of opioid analgesics.

Evaluation items	Appropriate		Inappropriate

	Criteria	N (%)	Criteria	N (%)
Initial drug selection	SA opioid analgesics	113 (95.0)	LA opioid analgesics	6 (5.0)^a)
Initial dose selection	Recommended dosage^b)	91 (80.5)	Higher dosage^c)	22 (19.5)
Dosage adjustment	Same dose with reduced pain	97 (86.6)	Suboptimal dosage increase^e)	5 (4.5)
Dosage adjustment	Sufficient dosage increase^d)	10 (8.9)	Suboptimal dosage increase^e)	5 (4.5)
Dosage conversion	50–100% of TDD	83 (85.6)	>100% of TDD	14 (14.4)

^a)All 6 were autologous hematopoietic stem cell transplantation cases. ^b)5–15 mg oral short-acting morphine sulfate or equivalent. ^c)Exceeding 15 mg oral short-acting morphine sulfate or equivalent. ^d)Increased to 50–100% initial dosage. ^e)Increased to <50% initial dosage.

Abbreviations: LA, long-acting; SA, short-acting; TDD, total daily opioid dose.