Review Article

Review of Efficacy and Safety of Duloxetine 40 to 60 mg Once Daily in Patients with Diabetic Peripheral Neuropathic Pain

Table 4

Treatment-emergent adverse events in ≥10% of patients in the duloxetine treatment arms in Studies 1 through 4.

TEAEs, 𝑛 (%)Study 1 [13, 20]Study 2 [14, 20]Study 3 [15, 20]Study 4 [16]
DLX 60 mg QD ( 𝑛 = 1 1 4 )PLB ( 𝑛 = 1 1 5 )DLX 60 mg QD ( 𝑛 = 1 1 4 )PLB ( 𝑛 = 1 0 8 )DLX 60 mg QD ( 𝑛 = 1 1 6 )PLB ( 𝑛 = 1 1 6 )DLX 40 mg QD ( 𝑛 = 8 5 )DLX 60 mg QD ( 𝑛 = 8 6 )PLB ( 𝑛 = 1 6 7 )

≥1 TEAE100 (97.7)90 (79.1)102 (89.5)79 (73.1)71 (61.2)57 (49.1)71 (83.5)73 (84.9)121 (72.5)
Discontinuation due to TEAEs15 (13.2)6 (5.2)17 (14.9)8 (7.4)5 (4.3)3 (2.6)9 (10.6)10 (11.6)9 (5.4)
Nausea19 (16.7)11 (9.6)32 (28.1)7 (6.5)32 (27.6)10 (8.6)10 (11.8)14 (16.3)3 (1.8)
Somnolence23 (20.2)9 (7.8)9 (7.9)1 (0.9)19 (16.4)5 (4.3)16 (18.8)21 (24.4)14 (8.4)
Headache16 (14.0)11 (9.6)12 (10.5)7 (6.5)12 (10.3)7 (6.0)4 (4.7)2 (2.3)6 (3.6)
Dizziness11 (9.6)8 (7.0)18 (15.8)6 (5.6)6 (5.2)4 (3.4)6 (7.1)4 (4.7)2 (1.2)
Insomnia13 (11.4)12 (10.4)6 (5.3)2 (1.9)8 (6.9)2 (1.7)NAaNAaNAa
Diarrhea11 (9.6)11 (9.6)13 (11.4)2 (1.9)8 (6.9)6 (5.2)4 (4.7)7 (8.1)6 (3.6)
Constipation17 (14.9)4 (3.5)8 (7.0)2 (1.9)2 (1.7)1 (0.9)6 (7.1)5 (5.8)9 (5.4)

DLX: duloxetine; 𝑛 : number of affected patients; NA: not available; PLB: placebo; QD: once daily; TEAE: treatment-emergent adverse event.
aInsomnia was not analyzed as a TEAE in study 4; insomnia was reported as an adverse events in 1 patient receiving placebo, 2 patients receiving duloxetine 40 mg QD, and 1 patient receiving duloxetine 60 mg QD in study 4; insomnia was reported as adverse drug reaction in 1 patient receiving duloxetine 40 mg QD in study 4.