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Table 3 AEs by treatment and prior experience of cannabis (where n >/= 10)

From: Assessment of blinding to treatment allocation in studies of a cannabis-based medicine (Sativex®) in people with multiple sclerosis: a new approach

Body system

Preferred term

 

Sativex®

Placebo

OR (95% CI)

 

n

 

n (%)

n (%)

 

Nervous system disorders

Dizziness

PC

32 (26%)

13 (12%)

2.7 (1.3 to 5.4)

 

n = 150

No PC

84 (35%)

21 (11%)

4.33 (2.6 to 7.3)

 

Headache

PC

9 (7%)

14 (13%)

0.55 (0.2 to 1.3)

 

n = 57

No PC

21 (9%)

13 (7%)

1.31 (0.6 to 2.7)

 

Somnolence

PC

17 (14%)

3 (3%)

5.8 (1.7 to 20.5)

 

n = 45

No PC

19 (8%)

6 (3%)

2.6 (1.0 to 6.7)

 

Muscle spasticity

PC

2 (2%)

2 (2%)

0.9 (0.1 to 6.6)

 

n= 33

No PC

17 (7%)

12 (6.3%)

1.1 (0.5 to 2.4)

 

Balance disorder

PC

6 (5%)

3 (2.7%)

1.9 (0.5 to 7.6)

 

n = 20

No PC

8 (3%)

3 (2%)

2.2 (0.6 to 8.2)

 

Disturbance in attention

PC

7 (6%)

0

 
 

n = 19

No PC

12 (5%)

0

 
 

Dysgeusia

PC

3 (3%)

1 (1%)

2.8 (0.3 to 27.0)

 

n= 18

No PC

13 (5%)

1 (0.5%)

10.8 (1.4 to 83.6)

 

MS relapse

PC

0

2 (1.8%)

 
 

n = 17

No PC

8 (3%)

7 (4%)

0.9 (0.3 to 2.5)

 

Dysarthria

PC

5 (4%)

0

 
 

n = 13

No PC

2 (3%)

2 (1%)

2.4 (0.5 to 12.1)

Psychiatric disorders

Disorientation

PC

9 (7%)

1 (1%)

8.8 (1.1 to 70.3)

 

n = 21

No PC

10 (4%)

1 (0.5%)

8.2 (1.0 to 64.9)

 

Depression

PC

5 (4%)

3 (3%)

1.5 (0.4 to 6.6)

 

n = 19

No PC

8 (3%)

3 (2%)

2.2 (0.6 to 8.2)

 

Euphoria

PC

3 (3%)

3 (3%)

0.9 (0.2 to 4.6)

 

n = 13

No PC

4 (2%)

3 (2%)

1.1 (0.2 to 4.8)

 

Insomnia

PC

0

1 (1%)

 
 

n = 10

No PC

4 (2%)

5 (3%)

0.6 (0.2 to 2.4)

General disorders

Fatigue

PC

17 (14%)

9 (8%)

1.8 (0.8 to 4.3)

 

n = 107

No PC

50 (21%)

31 (17%)

1.4 (0.8 to 2.2)

 

Application site pain

PC

6 (5%)

6 (6%)

0.9 (0.3 to 2.9)

 

n = 34

No PC

12 (5%)

10 (5%)

0.9 (0.4 to 2.2)

 

Asthenia

PC

9 (7%)

7 (6%)

1.2 (0.4 to 3.3)

 

n = 45

No PC

22 (9%)

7 (4%)

2.6 (1.0 to 6.8)

 

Feeling abnormal

PC

5 (4%)

1 (1%)

4.7 (0.5 to 40.9)

 

n = 12

No PC

5 (2%)

1 (1%)

4 (0.5 to 34.8)

 

Feeling drunk

PC

3 (3%)

0

 
 

N = 11

No PC

8 (3%)

0

 

GastroIntestinal Disorders

Oral discomfort

PC

12 (10%)

10 (9%)

1.1 (0.5 to 2.7)

 

n = 45

No PC

13 (5%)

10 (5%)

1.0 (0.4 to 2.4)

 

Nausea

PC

12 (10%)

8 (7%)

1.4 (0.6 to 3.6)

 

n = 67

No PC

32 (13%)

15 (8%)

1.8 (0.9 to 3.4)

 

Dry mouth

PC

6 (5%)

6 (6%)

0.9 (0.3 to 2.9)

 

n = 37

No PC

21 (9%)

4 (2%)

4.5 (1.5 to 13.2)

 

Diarrhoea

PC

8 (7%)

7 (6%)

1.0 (0.4 to 3.0)

 

n = 30

No PC

12 (5%)

3 (2%)

3.3 (0.9 to 11.8)

 

Vomiting

PC

2 (2%)

1 (1%)

1.8 (0.2 to 20.5)

 

n = 16

No PC

7 (3%)

6 (3%)

0.9 (0.3 to 2.8)

 

Constipation

PC

5 (4%)

3 (3%)

1.5 (0.4 to 6.6)

 

n = 15

No PC

7 (3%)

0

 
 

Dyspepsia

PC

1 (1%)

2 (2%)

0.5 (0.0 to 5.0)

 

n = 14

No PC

7 (3%)

4 (2%)

1.4 (0.4 to 4.9)