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Table 3 Incidence of treatment-emergent adverse events a

From: An open-label, multicenter evaluation of the long-term safety and efficacy of risperidone in adolescents with schizophrenia

AEs, n (%)

PBO/RIS

RIS/RIS

Direct-enroll

All subjects

(n = 48)

(n = 292)

(n = 50)

(N = 390)

Treatment-emergent AEs

Total

42 (88)

247 (85)

46 (92)

335 (86)

Most common AEs (≥ 10% in any group)

Somnolence

16 (33)

72 (25)

18 (36)

106 (27)

Headache

6 (13)

49 (17)

16 (32)

71 (18)

Weight increase

7 (15)

39 (13)

14 (28)

60 (15)

Hypertonia

7 (15)

37 (13)

8 (16)

52 (13)

Insomnia

7 (15)

35 (12)

4 (8)

46 (12)

Psychosis

3 (6)

31 (11)

7 (14)

41 (11)

Tremor

6 (13)

32 (11)

4 (8)

42 (11)

Rhinitis

4 (8)

29 (10)

1 (2)

34 (9)

Extrapyramidal disorder

5 (10)

23 (8)

2 (4)

30 (8)

Depression

5 (10)

17 (6)

5 (10)

27 (7)

Agitation

5 (10)

19 (7)

2 (4)

26 (7)

Fatigue

1 (2)

17 (6)

8 (16)

26 (7)

Tachycardia

9 (19)

16 (5)

1 (2)

26 (7)

Vomiting

6 (13)

19 (7)

1 (2)

26 (7)

Abdominal pain

1 (2)

10 (3)

9 (18)

20 (5)

Serious

Total

4 (8)

46 (16)

14 (28)

64 (16)

Psychosis

1 (2)

26 (9)

8 (16)

35 (9)

Suicide attempt

1 (2)

14 (5)

3 (6)

18 (5)

Aggressive reaction

0

5 (2)

1 (2)

6 (2)

Injury

0

3 (1)

2 (4)

5 (1)

Depression

0

4 (1)

0

4 (1)

Anxiety

0

2 (1)

1 (2)

3 (1)

Paranoid reaction

0

1 (<-1)

2 (4)

3 (1)

Emotional lability

0

1 (<-1)

1 (2)

2 (1)

Inflicted injury

0

2 (1)

0

2 (1)

Agitation

0

0

1 (2)

1 (<-1)

Convulsions

0

1 (<-1)

0

1 (<-1)

Diabetes mellitus

0

1 (<-1)

0

1 (<-1)

Delusion

0

0

1 (2)

1 (<-1)

Depression psychotic

0

0

1 (2)

1 (<-1)

Drug abuse

0

0

1 (2)

1 (<-1)

Gastrointestinal hemorrhage

1 (2)

0

0

1 (<-1)

Laboratory values abnormal

0

1 (<-1)

0

1 (<-1)

Medication error

0

0

1 (2)

1 (<-1)

Metastases not otherwise specified

1 (2)

0

0

1 (<-1)

Pharyngitis

0

1 (<-1)

0

1 (<-1)

Sarcoma

1 (2)

0

0

1 (<-1)

Schizophrenic reaction

0

1 (<-1)

0

1 (<-1)

Vomiting

1 (2)

0

0

1 (<-1)

  1. AE, adverse event.
  2. aIncidence is based on the number of subjects experiencing at least one AE, not the number of AEs.