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. 2015 Jul 8;8:347–360. doi: 10.2147/JPR.S82395

Table 3.

Number (%) of patients with treatment-emergent adverse events occurring in >5% of patients (safety population) from any prior opioid type

TD fentanyl
(n=77)
IR hydrocodone
(n=164)
IR hydromorphone
(n=22)
IR oxycodone
(n=160)
IR morphine
(n=53)
Methadone
(n=64)
ER oxycodone
(n=107)
ER oxymorphone
(n=25)
Excluded opioid/unclassif
(n=12)
Total
(N=684)
Pts with ≥1 TEAE 47 (61.0) 90 (54.9) 8 (36.4) 81 (50.6) 30 (56.6) 28 (43.8) 45 (42.1) 12 (48.0) 2 (16.7) 343 (50.1)
Cardiac disorders
 Dyspnea 1 (1.3) 0 0 3 (1.9) 0 1 (1.6) 0 0 1 (8.3) 6 (0.9)
Gastrointestinal disorders
 Constipation 8 (10.4) 26 (15.9) 0 17 (10.6) 5 (9.4) 3 (4.7) 14 (13.1) 3 (12.0) 0 76 (11.1)
 Nausea 7 (9.1) 13 (7.9) 2 (9.1) 13 (8.1) 8 (15.1) 3 (4.7) 7 (6.5) 3 (12.0) 1 (8.3) 57 (8.3)
 Vomiting 4 (5.2) 11 (6.7) 1 (4.5) 7 (4.4) 2 (3.8) 4 (6.3) 3 (2.8) 2 (8.0) 0 34 (5.0)
General disorders and administration site conditions
 Fatigue 4 (5.2) 3 (1.8) 0 8 (5.0) 2 (3.8) 0 2 (1.9) 1 (4.0) 0 20 (2.9)
Nervous system disorders
 Dizziness 0 7 (4.3) 0 2 (1.3) 2 (3.8) 0 6 (5.6) 1 (4.0) 0 18 (2.6)
 Headache 4 (5.2) 5 (3.0) 2 (9.1) 8 (5.0) 6 (11.3) 5 (7.8) 5 (4.7) 1 (4.0) 1 (8.3) 37 (5.4)
 Somnolence 3 (3.9) 8 (4.9) 2 (9.1) 6 (3.8) 3 (5.7) 1 (1.6) 2 (1.9) 0 0 25 (3.7)
 Tremor 1 (1.3) 0 1 (4.5) 0 1 (1.9) 0 0 0 1 (8.3) 4 (0.6)
Psychiatric disorders
 Anxiety 0 0 0 0 0 0 1 (0.9) 0 1 (8.3) 2 (0.3)
Skin and subcutaneous tissue disorders
 Rash 1 (1.3) 1 (0.6) 1 (4.5) 1 (0.6) 1 (1.9) 0 1 (0.9) 2 (8.0) 0 8 (1.2)

Note: An adverse event is defined as treatment emergent if it has a start date/time at any point after the patient filled the initial MSN prescription.

Abbreviations: ER, extended-release; IR, immediate-release; MSN, extended-release morphine sulfate surrounding sequestered naltrexone hydrochloride; Pts, patients; TD, transdermal; TEAE, treatment-emergent adverse event; Unclassif, unclassified.