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Incidence of AEs in ≥5% of patients by treatment.
| AE, n (%) | Fentanyl matrix (N = 52) | Gabapentin (N = 56) | Total (N = 108) |
|---|---|---|---|
| Dizziness | 16 (30.8%) | 25 (44.6%) | 41 (38.0%) |
| Somnolence | 15 (28.8%) | 21 (37.5%) | 36 (33.3%) |
| Nausea | 19 (36.5%) | 4 (7.1%) | 23 (21.3%) |
| Constipation | 8 (15.4%) | 10 (17.9%) | 18 (16.7%) |
| Vomiting | 11 (21.2%) | 2 (3.6%) | 13 (12.0%) |
| Asthenia | 7 (13.5%) | 8 (14.3%) | 15 (13.9%) |
| Headache | 3 (5.8%) | 4 (7.1%) | 7 (6.5%) |
AE: adverse event.
