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Table 6 Frequency of adverse events during the study

From: Pharmacokinetic and pharmacodynamic comparison of two "pegylated" interferon alpha-2 formulations in healthy male volunteers: a randomized, crossover, double-blind study

Adverse event

Formulation A N = 16

Formulation B N = 16

Both formulations N = 16

p (McNemar's test)

Any adverse event

16 (100%)

16 (100%)

16 (100%)

---

Leukopenia*

14 (87.5%)

15 (93.8%)

14 (87.5%)

1.00

Fever

13 (81.3%)

11 (68.8%)

9 (56.3%)

0.69

Thrombocytopenia**

9 (56.3%)

12 (75%)

9 (56.3%)

0.25

Increase of transaminases!

10 (62.5%)

11 (68.8%)

8 (50%)

1.00

Asthenia

8 (50%)

6 (37.5%)

4 (25%)

0.69

Headache

6 (37.5%)

7 (43.8%)

2 (12.5%)

1.00

Increase of creatinine!!

7 (43.8%)

5 (31.3%)

0

0.77

Ardor at injection site

0

12 (75%)

0

0.0005

Erythema at injection site

5 (31.3%)

3 (18.8%)

2 (12.5%)

0.625

Hypertension

4 (25%)

2 (12.5%)

1 (6.3%)

0.625

Chills

1 (6.3%)

4 (25%)

0

0.375

Myalgias

2 (12.5%)

3 (18.8%)

1 (6.3%)

1.00

Lumbar pain

2 (12.5%)

2 (12.5%)

1 (6.3%)

1.00

Pruritus

3 (18.8%)

1 (6.3%)

1 (6.3%)

0.50

Tachycardia

2 (12.5%)

1 (6.3%)

1 (6.3%)

1.00

Somnolence

1 (6.3%)

1 (6.3%)

0

1.00

Warmth at injection site

2 (12.5%)

0

0

0.50

Hyperesthesia

2 (12.5%)

0

0

0.50

Anorexia

1 (6.3%)

0

0

1.00

Vomiting

0

1 (6.3%)

0

1.00

Arthralgias

0

1 (6.3%)

0

1.00

  1. Data are presented as number of individuals with each adverse reaction (%).
  2. * < 5 × 109 cells/L; ** < 150 × 109 cells/L; ! > 100 UI; !! > 97 μmol/L.