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Table 3 Most frequently reported adverse eventsa and elevated serum liver function tests, by treatment group

From: The efficacy and safety of febuxostat for urate lowering in gout patients ≥65 years of age

 

Febuxostat 40 mg

N = 115

Febuxostat 80 mg

N = 128

Allopurinol 200/300 mg

N = 131

Total subjects reporting1 AE, n (%)

n (%)70 (60.9)

75 (58.6)

81 (61.8)

Most frequently reported b AEs, n (%)

   

Diarrhea (non infectious)

14 (12.2)

12 (9.4)

10 (7.6)

Musculoskeletal and connective tissue signs and symptoms

10 (8.7)

7 (5.5)

6 (4.6)

Upper respiratory tract infections

9 (7.8)

11 (8.6)

9 (6.9)

Neurological signs and symptoms

8 (7.0)

1 (0.8)

1 (0.8)

(Dizziness)

7 (6.1)

1 (0.8)

1 (0.8)

(Presyncope)

1 (0.9)

0

0

Joint related signs and symptoms

2 (1.7)

8 (6.3)

3 (2.3)

Lower respiratory tract and lung infections

2 (1.7)

3 (2.3)

7 (5.3)

Headaches

6 (5.2)

2 (1.6)

3 (2.3)

Nausea and vomiting

6 (5.2)

1 (0.8)

4 (3.1)

Elevated liver function tests, n/N (%)

   

ALT

   

≥2X ULN

4/106 (4)

4/117 (3)

3/115 (3)

≥3X ULN

2/106 (2)

0/117

1/115 (<1)

AST

   

≥2X ULN

3/106 (3)

1/117 (<1)

0/115

≥3X ULN

2/106 (2)

0/117

0/115

ALT and AST concurrently

   

≥3X ULN

2/106 (2)

0/117

0/115

  1. aAEs are reported by Medical Dictionary for Regulatory Activities high-level term.
  2. bMost frequently reported AEs are those which occurred in ≥5% of elderly subjects in any treatment group.
  3. AE = adverse event; ALT = alanine aminotransferase; AST = aspartate aminotransferase; ULN = upper limit of normal.