Table 2

Incidence of adverse events and adverse reactions by system organ class (safety population)

Total (n=241)Group A (n=96)Group B (n=95)Group C (n=50)
Febuxostat dose increasing stepwise from 10 to 40 mgFebuxostat 40mg+colchicineFebuxostat 40 mg
Patients (events) %Patients (events) %Patients (events) %Patients (events) %
Adverse events51 (74) 21.221 (35) 21.919 (23) 20.011 (16) 22.0
 Infections and infestations25 (35) 10.49 (15) 9.411 (13) 11.65 (7) 10.0
 Neoplasms benign, malignant and unspecified1 (1) 0.41 (1) 1.0 – –
 Metabolism and nutrition disorders2 (2) 0.82 (2) 2.1 – –
 Vascular disorders1 (1) 0.41 (1) 1.0 – –
 Respiratory, thoracic and mediastinal disorders4 (6) 1.72 (4) 2.11 (1) 1.11 (1) 2.0
 Gastrointestinal disorders1 (1) 0.4 –1 (1) 1.1 –
 Hepatobiliary disorders5 (5) 2.14 (4) 4.2 –1 (1) 2.0
 Skin and subcutaneous tissue disorders2 (2) 0.81 (1) 1.01 (1) 1.1 –
 Musculoskeletal and connective tissue disorders9 (10) 3.74 (5) 4.23 (3) 3.22 (2) 4.0
 Renal and urinary disorders2 (2) 0.81 (1) 1.01 (1) 1.1 –
 Investigations4 (4) 1.7 –3 (3) 3.21 (1) 2.0
 Injury, poisoning and procedural complications4 (4) 1.71 (1) 1.0 –3 (3) 6.0
 Surgical and medical procedures1 (1) 0.4 – –1 (1) 2.0
Adverse reactions21 (24) 8.77 (9) 7.39 (10) 9.55 (5) 10.0
 Infections and infestations7 (8) 2.9 –6 (7) 6.31 (1) 2.0
 Metabolism and nutrition disorders1 (1) 0.41 (1) 1.0 – –
 Respiratory, thoracic and mediastinal disorders1 (1) 0.4 –1 (1) 1.1 –
 Hepatobiliary disorders4 (4) 1.73 (3) 3.1 –1 (1) 2.0
 Skin and subcutaneous tissue disorders2 (2) 0.81 (1) 1.01 (1) 1.1 –
 Musculoskeletal and connective tissue disorders3 (4) 1.22 (3) 2.1 –1 (1) 2.0
 Renal and urinary disorders2 (2) 0.81 (1) 1.01 (1) 1.1 –
 Investigations1 (1) 0.4 – –1 (1) 2.0
 Injury, poisoning and procedural complications1 (1) 0.4 – –1 (1) 2.0
  • Number of events, tabulated by system organ class (SOC, MedDRA 17.1).