Double-blind study | Open-label study | |||||
---|---|---|---|---|---|---|
Placebo (n = 104) | ABT-126 25 mg (n = 77) | ABT-126 50 mg (n = 107) | ABT-126 75 mg (n = 73) | Donepezil 10 mg (n = 75) | ABT-126 75 mg (n = 349) | |
Any AE | 56 (53.8) | 42 (54.5) | 62 (57.9) | 38 (52.1) | 47 (62.7) | 167 (47.9) |
Possibly relateda | 20 (19.2) | 16 (20.8) | 27 (25.2) | 14 (19.2) | 24 (32.0) | 66 (18.9) |
Discontinued due to AE | 4 (3.8) | 5 (6.5) | 7 (6.5) | 2 (2.7) | 9 (12.0) | 13 (3.7) |
Severe AE | 2 (1.9) | 3 (3.9) | 2 (1.9) | 1 (1.4) | 3 (4.0) | 18 (5.2) |
Serious AE | 5 (4.8) | 6 (7.8) | 7 (6.5) | 2 (2.7) | 3 (4.0) | 17 (4.9) |
Deathsb | 0 | 0 | 0 | 0 | 2 (2.7)c | 4 (1.1)d |
AEs reported by ≥ 5.0 % of subjects in any treatment group in the double-blind study (MedDRA preferred term) | ||||||
Constipatione | 3 (2.9) | 7 (9.1) | 16 (15.0)e | 3 (4.1) | 2 (2.7) | 17 (4.9) |
Headache | 7 (6.7) | 5 (6.5) | 4 (3.7) | 5 (6.8) | 8 (10.7) | 11 (3.2) |
Fall | 4 (3.8) | 4 (5.2) | 5 (4.7) | 3 (4.1) | 5 (6.7) | 15 (4.3) |
Nausea | 3 (2.9) | 1 (1.3) | 4 (3.7) | 2 (2.7) | 6 (8.0) | 7 (2.0) |
Diarrhea | 2 (1.9) | 2 (2.6) | 4 (3.7) | 2 (2.7) | 4 (5.3) | 6 (1.7) |
Anxiety | 1 (1.0) | 1 (1.3) | 7 (6.5) | 2 (2.7) | 0 | 6 (1.7) |
Depressed mood | 1 (1.0) | 1 (1.3) | 0 | 0 | 4 (5.3) | 3 (0.9) |