Trial Outcomes & Findings for Allopurinol Versus Febuxostat in Subjects Completing the Phase 3 Trials C02-009 or C02-010 (NCT NCT00175019)

NCT ID: NCT00175019

Last Updated: 2010-07-27

Results Overview

Serum urate values were obtained at the Month 1 visit. The percentage of subjects whose serum urate was \<6.0 mg/dL at the Month 1 visit was summarized.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1086 participants

Primary outcome timeframe

Month 1

Results posted on

2010-07-27

Participant Flow

Subjects were enrolled at 174 investigative sites, including 168 in the United States and 6 in Canada, from 28 July 2003 to 26 February 2007.

Subjects were to have completed either 28 weeks or 52 weeks of double-blind dosing in Study C02-009 (NCT00174915) or C02-010 (NCT00102440), respectively before enrollment.

Participant milestones

Participant milestones
Measure
Febuxostat 80 mg QD
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Overall Study
STARTED
606
388
92
Overall Study
COMPLETED
412
217
35
Overall Study
NOT COMPLETED
194
171
57

Reasons for withdrawal

Reasons for withdrawal
Measure
Febuxostat 80 mg QD
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Overall Study
Adverse Event
54
22
2
Overall Study
Protocol Violation
6
3
3
Overall Study
Lost to Follow-up
42
39
9
Overall Study
Did not continue under Amendment 4
1
1
2
Overall Study
Personal Reason(s)
39
31
8
Overall Study
Therapeutic Failure
10
38
22
Overall Study
Gout Flare
2
3
0
Overall Study
Reason Not Specified
40
34
11

Baseline Characteristics

Allopurinol Versus Febuxostat in Subjects Completing the Phase 3 Trials C02-009 or C02-010

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Febuxostat 80 mg QD
n=606 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=388 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=92 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Total
n=1086 Participants
Total of all reporting groups
Age Continuous
53.0 years
STANDARD_DEVIATION 11.74 • n=5 Participants
48.4 years
STANDARD_DEVIATION 11.02 • n=7 Participants
51.3 years
STANDARD_DEVIATION 12.72 • n=5 Participants
51.2 years
STANDARD_DEVIATION 11.76 • n=4 Participants
Sex: Female, Male
Female
25 Participants
n=5 Participants
17 Participants
n=7 Participants
2 Participants
n=5 Participants
44 Participants
n=4 Participants
Sex: Female, Male
Male
581 Participants
n=5 Participants
371 Participants
n=7 Participants
90 Participants
n=5 Participants
1042 Participants
n=4 Participants
Presence of Tophus
Present
116 participants
n=5 Participants
83 participants
n=7 Participants
15 participants
n=5 Participants
214 participants
n=4 Participants
Presence of Tophus
Absent
490 participants
n=5 Participants
305 participants
n=7 Participants
77 participants
n=5 Participants
872 participants
n=4 Participants
Race/Ethnicity
Asian
15 participants
n=5 Participants
9 participants
n=7 Participants
4 participants
n=5 Participants
28 participants
n=4 Participants
Race/Ethnicity
Black or African American
47 participants
n=5 Participants
33 participants
n=7 Participants
16 participants
n=5 Participants
96 participants
n=4 Participants
Race/Ethnicity
White
499 participants
n=5 Participants
299 participants
n=7 Participants
64 participants
n=5 Participants
862 participants
n=4 Participants
Race/Ethnicity
Hispanic
30 participants
n=5 Participants
29 participants
n=7 Participants
7 participants
n=5 Participants
66 participants
n=4 Participants
Race/Ethnicity
Other
15 participants
n=5 Participants
18 participants
n=7 Participants
1 participants
n=5 Participants
34 participants
n=4 Participants
Renal Function
Normal
593 participants
n=5 Participants
381 participants
n=7 Participants
92 participants
n=5 Participants
1066 participants
n=4 Participants
Renal Function
Impaired
13 participants
n=5 Participants
7 participants
n=7 Participants
0 participants
n=5 Participants
20 participants
n=4 Participants
Body Mass Index (BMI)
31.9 kg/m²
STANDARD_DEVIATION 5.49 • n=5 Participants
34.1 kg/m²
STANDARD_DEVIATION 6.71 • n=7 Participants
32.4 kg/m²
STANDARD_DEVIATION 5.58 • n=5 Participants
31.9 kg/m²
STANDARD_DEVIATION 5.49 • n=4 Participants
Serum Urate
9.65 mg/dL
STANDARD_DEVIATION 1.20 • n=5 Participants
10.05 mg/dL
STANDARD_DEVIATION 1.29 • n=7 Participants
9.83 mg/dL
STANDARD_DEVIATION 1.27 • n=5 Participants
9.81 mg/dL
STANDARD_DEVIATION 1.25 • n=4 Participants

PRIMARY outcome

Timeframe: Month 1

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. Subjects with a serum urate value at the Month 1 visit and who had not changed from their initial treatment were included in the analysis.

Serum urate values were obtained at the Month 1 visit. The percentage of subjects whose serum urate was \<6.0 mg/dL at the Month 1 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=620 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=277 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=139 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Whose Serum Urate Level Decreases to < 6.0 mg/dL at Month 1.
80.8 percentage of subjects
87.0 percentage of subjects
46.0 percentage of subjects

PRIMARY outcome

Timeframe: Month 12

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. Subjects with a serum urate value at the Month 12 visit and who had not changed from their initial treatment were included in the analysis.

Serum urate values were obtained at the Month 12 visit. The percentage of subjects whose serum urate was \<6.0 mg/dL at the Month 12 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=422 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=168 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=45 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Whose Serum Urate Level Decreases to < 6.0 mg/dL at Month 12.
88.9 percentage of subjects
86.3 percentage of subjects
82.2 percentage of subjects

PRIMARY outcome

Timeframe: Month 24

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. Subjects with a serum urate value at the Month 24 visit and who had not changed from their initial treatment were included in the analysis.

Serum urate values were obtained at the Month 24 visit. The percentage of subjects whose serum urate was \<6.0 mg/dL at the Month 24 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=364 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=141 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=42 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Whose Serum Urate Level Decreases to < 6.0 mg/dL at Month 24.
89.3 percentage of subjects
87.2 percentage of subjects
78.6 percentage of subjects

PRIMARY outcome

Timeframe: Month 36

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. Subjects with a serum urate value at the Month 36 visit and who had not changed from their initial treatment were included in the analysis.

Serum urate values were obtained at the Month 36 visit. The percentage of subjects whose serum urate was \<6.0 mg/dL at the Month 36 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=120 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=47 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=10 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Whose Serum Urate Level Decreases to < 6.0 mg/dL at Month 36.
90.8 percentage of subjects
91.5 percentage of subjects
90.0 percentage of subjects

PRIMARY outcome

Timeframe: Last Visit on treatment (up to 40 months).

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. All subjects with a post-baseline serum urate level measurement while receiving their initial treatment were included in the analysis.

The percentage of subjects whose serum urate was \<6.0 mg/dL at the last visit on treatment was summarized. The last visit on treatment was the last visit at which a serum urate value was collected prior to any changes in drug and/or dose from the initial treatment assignment.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=636 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=283 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=141 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Whose Serum Urate Level Decreases to < 6.0 mg/dL at Last Visit on Treatment.
70.8 percentage of subjects
82.0 percentage of subjects
32.6 percentage of subjects

SECONDARY outcome

Timeframe: Last Visit on treatment (up to 40 months).

Population: Results were summarized by the initial treatment the subject was assigned to before any changes in drug and/or dose. All subjects with a post-baseline serum urate level measurement while receiving their initial treatment were included in the analysis.

The percent change in serum urate from baseline to the last visit on treatment was summarized. The last visit on treatment was the last visit at which a serum urate value was collected prior to any changes in drug and/or dose from the initial treatment assignment.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=636 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=283 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=141 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change in Serum Urate Levels From Baseline to the Last Visit on Treatment.
-46.69 percent change from baseline
Standard Deviation 17.43
-52.99 percent change from baseline
Standard Deviation 19.12
-32.17 percent change from baseline
Standard Deviation 17.71

SECONDARY outcome

Timeframe: Month 12

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. Subjects with a primary tophus at baseline which was also measured at the Month 12 visit were included in the analysis.

The area of the primary tophus was calculated based on the length and width of the tophus measured at the Month 12 visit. The percent change from baseline in primary tophus size to the Month 12 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=80 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=51 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=9 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change From Baseline in Primary Tophus Size at Month 12 for Subjects With Palpable Tophi Measured at Baseline.
-82 percent change from baseline
Interval -100.0 to -40.0
-79 percent change from baseline
Interval -100.0 to -26.0
-56 percent change from baseline
Interval -100.0 to -16.0

SECONDARY outcome

Timeframe: Month 24

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. Subjects with a primary tophus at baseline which was also measured at the Month 24 visit were included in the analysis.

The area of the primary tophus was calculated based on the length and width of the tophus measured at baseline and Month 24 visit. The percent change from baseline in primary tophus size to the Month 24 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=64 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=32 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=4 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change From Baseline in Primary Tophus Size at Month 24 for Subjects With Palpable Tophi Measured at Baseline.
-100 percent change from baseline
Interval -100.0 to -54.0
-96 percent change from baseline
Interval -100.0 to -52.0
-87 percent change from baseline
Interval -98.0 to -29.0

SECONDARY outcome

Timeframe: Month 36

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. Subjects with a primary tophus at baseline which was also measured at the Month 36 visit were included in the analysis.

The area of the primary tophus was calculated based on the length and width of the tophus measured at baseline and Month 36 visit. The percent change from baseline in primary tophus size to the Month 36 visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=1 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change From Baseline in Primary Tophus Size at Month 36 for Subjects With Palpable Tophi Measured at Baseline.
-83 percent change from baseline
Interval -83.0 to -83.0

SECONDARY outcome

Timeframe: Final Visit (up to 40 months).

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. Subjects with a primary tophus at baseline which was also measured while receiving their final stable treatment were included in the analysis.

The area of the primary tophus was calculated based on the length and width of the tophus measured at baseline and final visit. The percent change from baseline in primary tophus size to the final visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=107 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=76 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=14 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change From Baseline in Primary Tophus Size at Final Visit for Subjects With Palpable Tophi Measured at Baseline.
-96 percent change from baseline
Interval -100.0 to -42.0
-84 percent change from baseline
Interval -100.0 to -16.0
-67 percent change from baseline
Interval -100.0 to 0.0

SECONDARY outcome

Timeframe: Final Visit (up to 40 months).

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. Subjects with a primary tophus at baseline who also had their tophi counted while receiving their final stable treatment were included in the analysis.

The number of tophi were counted at baseline and final visits. The percent change from baseline in the number of tophi to the final visit was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=107 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=76 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=14 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percent Change From Baseline in the Total Number of Tophi for Subjects With Palpable Tophi at Final Visit.
-59.9 percent change from baseline
Standard Deviation 45.9
-58.3 percent change from baseline
Standard Deviation 42.5
-48.7 percent change from baseline
Standard Deviation 42.5

SECONDARY outcome

Timeframe: Month 12

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. A subject who reported more than one gout flare during the time interval was counted only once.

The percentage of subjects requiring treatment for gout flare during the first twelve months of final stable treatment was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=606 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=388 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=92 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Requiring Treatment for Gout Flare up to Month 12.
29.4 percentage of subjects
42.5 percentage of subjects
28.3 percentage of subjects

SECONDARY outcome

Timeframe: After Month 12 to Final Visit

Population: Results were summarized by final stable treatment which was the treatment a subject was receiving after drug and/or dose changes were no longer allowed. A subject who reported more than one gout flare during the time interval was counted only once.

The percentage of subjects requiring treatment for gout flare after the first 12 months of final stable treatment was summarized.

Outcome measures

Outcome measures
Measure
Febuxostat 80 mg QD
n=516 Participants
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=293 Participants
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=56 Participants
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Percentage of Subjects Requiring Treatment for Gout Flare After Month 12.
15.3 percentage of subjects
19.8 percentage of subjects
23.2 percentage of subjects

Adverse Events

Febuxostat 80 mg QD

Serious events: 98 serious events
Other events: 444 other events
Deaths: 0 deaths

Febuxostat 120 mg QD

Serious events: 50 serious events
Other events: 257 other events
Deaths: 0 deaths

Allopurinol QD

Serious events: 16 serious events
Other events: 66 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Febuxostat 80 mg QD
n=801 participants at risk
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=487 participants at risk
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=178 participants at risk
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Blood and lymphatic system disorders
Anaemia Deficiencies
0.12%
1/801
0.00%
0/487
0.00%
0/178
Blood and lymphatic system disorders
Thrombocytopenias
0.12%
1/801
0.00%
0/487
0.00%
0/178
Cardiac disorders
Aortic Valvular Disorders
0.12%
1/801
0.00%
0/487
0.00%
0/178
Cardiac disorders
Cardiac Conduction Disorders
0.25%
2/801
0.00%
0/487
0.00%
0/178
Cardiac disorders
Cardiomyopathies
0.12%
1/801
0.00%
0/487
0.00%
0/178
Cardiac disorders
Coronary Artery Disorders not elsewhere classified (NEC)
1.6%
13/801
1.2%
6/487
0.56%
1/178
Cardiac disorders
Heart Failures NEC
0.37%
3/801
0.62%
3/487
0.56%
1/178
Cardiac disorders
Ischaemic Coronary Artery Disorders
2.1%
17/801
0.62%
3/487
1.1%
2/178
Cardiac disorders
Myocardial Disorders NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Cardiac disorders
Supraventricular Arrhythmias
0.12%
1/801
0.41%
2/487
0.56%
1/178
Cardiac disorders
Ventricular Arrhythmias and Cardiac Arrest
0.25%
2/801
0.00%
0/487
0.00%
0/178
Congenital, familial and genetic disorders
Male Reproductive Tract Disorders Congenital
0.00%
0/801
0.21%
1/487
0.00%
0/178
Ear and labyrinth disorders
Hearing Losses
0.00%
0/801
0.21%
1/487
0.00%
0/178
Ear and labyrinth disorders
Inner Ear Signs and Symptoms
0.00%
0/801
0.41%
2/487
0.00%
0/178
Gastrointestinal disorders
Abdominal Hernias, Site Unspecified
0.00%
0/801
0.41%
2/487
0.00%
0/178
Gastrointestinal disorders
Benign Neoplasms GastrointestinaI (Excluding Oral Cavity)
0.12%
1/801
0.41%
2/487
0.00%
0/178
Gastrointestinal disorders
Colitis (Excluding Infective)
0.12%
1/801
0.21%
1/487
0.00%
0/178
Gastrointestinal disorders
Diaphragmatic Hernias
0.12%
1/801
0.00%
0/487
0.00%
0/178
Gastrointestinal disorders
Duodenal and Small Intestinal Stenosis and Obstruction
0.12%
1/801
0.00%
0/487
0.00%
0/178
Gastrointestinal disorders
Gastrointestinal Atonic and Hypomotility Disorders NEC
0.00%
0/801
0.21%
1/487
0.00%
0/178
General disorders
Gastrointestinal Disorders NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Gastrointestinal disorders
Gastrointestinal Stenosis and Obstruction NEC
0.00%
0/801
0.21%
1/487
0.00%
0/178
Gastrointestinal disorders
Inguinal Hernias
0.00%
0/801
0.21%
1/487
0.00%
0/178
Gastrointestinal disorders
Intestinal Ulcers and Perforation NEC
0.00%
0/801
0.00%
0/487
0.56%
1/178
Gastrointestinal disorders
Umbilical Hernias
0.00%
0/801
0.00%
0/487
0.56%
1/178
General disorders
Hernias NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
General disorders
Pain and Discomfort NEC
0.12%
1/801
0.41%
2/487
0.00%
0/178
Hepatobiliary disorders
Bile Duct Infections and Inflammations
0.00%
0/801
0.00%
0/487
0.56%
1/178
Hepatobiliary disorders
Cholecystitis and Cholelithiasis
0.87%
7/801
0.21%
1/487
0.56%
1/178
Hepatobiliary disorders
Hepatocellular Damage and Hepatitis NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Abdominal and Gastrointestinal Infections
0.37%
3/801
0.41%
2/487
1.1%
2/178
Infections and infestations
Bacterial Infections NEC
0.37%
3/801
0.21%
1/487
0.00%
0/178
Infections and infestations
Bone and Joint Infections
0.12%
1/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Cardiac Infections
0.12%
1/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Infections NEC
0.62%
5/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Lower Respiratory Tract and Lung Infections
0.87%
7/801
0.41%
2/487
0.00%
0/178
Infections and infestations
Sepsis, Bacteraemia, Viraemia, and Fungaemia NEC
0.37%
3/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Staphylococcal Infections
0.25%
2/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Upper Respiratory Tract Infections
0.12%
1/801
0.00%
0/487
0.00%
0/178
Infections and infestations
Urinary Tract Infections
0.12%
1/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Cardiac and Vascular Procedural Complications
0.12%
1/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Cerebral Injuries NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Limb Injuries NEC (Including Traumatic Amputation)
0.12%
1/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Lower limb Fractures and Dislocations
0.12%
1/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Muscle, Tendon and Ligament Injuries
0.12%
1/801
0.21%
1/487
0.00%
0/178
Injury, poisoning and procedural complications
Non-Site Specific Injuries NEC
0.50%
4/801
0.00%
0/487
0.00%
0/178
Injury, poisoning and procedural complications
Non-Site Specific Procedural Complications
0.50%
4/801
0.00%
0/487
0.00%
0/178
Investigations
Neurologic Diagnostic Procedures
0.12%
1/801
0.00%
0/487
0.00%
0/178
Metabolism and nutrition disorders
Diabetes Mellitus (Including Subtypes)
0.00%
0/801
0.21%
1/487
0.00%
0/178
Metabolism and nutrition disorders
General Nutritional Disorders NEC
0.00%
0/801
0.21%
1/487
0.00%
0/178
Metabolism and nutrition disorders
Magnesium Metabolism Disorders
0.12%
1/801
0.00%
0/487
0.00%
0/178
Metabolism and nutrition disorders
Potassium Imbalance
0.12%
1/801
0.00%
0/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Bone Disorders NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Intervertebral Disc Disorders
0.00%
0/801
0.41%
2/487
0.56%
1/178
Musculoskeletal and connective tissue disorders
Joint Related Disorders NEC
0.25%
2/801
0.21%
1/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Muscle Related Signs and Symptoms NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Osteoarthropathies
0.37%
3/801
0.82%
4/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Spine and Neck Deformities
0.12%
1/801
0.00%
0/487
1.1%
2/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
B-cell Lymphomas NEC
0.25%
2/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Bile Duct Neoplasms Malignant
0.12%
1/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Breast and Nipple Neoplasms Malignant
0.12%
1/801
0.00%
0/487
0.00%
0/178
Musculoskeletal and connective tissue disorders
Colonic Neoplasms Malignant
0.12%
1/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Endocrine Neoplasms Benign NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Neoplasms Benign Site Unspecified NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Non-Small Cell Malignant/Respiratory Tract Cell Type Specified
0.00%
0/801
0.21%
1/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Oesophageal Neoplasms Malignant
0.00%
0/801
0.21%
1/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Ovarian Neoplasms Benign
0.12%
1/801
0.00%
0/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Pancreatic Neoplasms Malignant (Excl Islet Cell and Carcinoid)
0.00%
0/801
0.21%
1/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostatic Neoplasms Malignant
0.25%
2/801
0.41%
2/487
0.00%
0/178
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Renal Cell Carcinoma
0.12%
1/801
0.00%
0/487
0.00%
0/178
Nervous system disorders
Central Nervous System Haemorrhages and CVA
0.75%
6/801
0.41%
2/487
0.00%
0/178
Nervous system disorders
Central Nervous System Vascular Disorders NEC
0.25%
2/801
0.21%
1/487
0.00%
0/178
Nervous system disorders
Cervical Spinal Cord and Nerve Root Disorders
0.00%
0/801
0.00%
0/487
0.56%
1/178
Nervous system disorders
Disturbances in Consciousness NEC
0.25%
2/801
0.41%
2/487
0.00%
0/178
Nervous system disorders
Neurologic Visual Problems NEC
0.00%
0/801
0.00%
0/487
0.56%
1/178
Nervous system disorders
Neurological Signs and Symptoms NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Nervous system disorders
Paralysis and Paresis (Excl Cranial Nerve)
0.12%
1/801
0.00%
0/487
0.00%
0/178
Nervous system disorders
Transient Cerebrovascular Events
0.00%
0/801
0.21%
1/487
0.00%
0/178
Renal and urinary disorders
Renal Failure and Impairment
0.37%
3/801
0.00%
0/487
0.00%
0/178
Renal and urinary disorders
Renal Lithiasis
0.00%
0/801
0.21%
1/487
0.00%
0/178
Psychiatric disorders
Renal Vascular and Ischaemic Conditions
0.00%
0/801
0.21%
1/487
0.00%
0/178
Respiratory, thoracic and mediastinal disorders
Breathing Abnormalities
0.25%
2/801
0.00%
0/487
0.00%
0/178
Respiratory, thoracic and mediastinal disorders
Bronchospasms and Obstruction
0.37%
3/801
0.21%
1/487
0.00%
0/178
Respiratory, thoracic and mediastinal disorders
Lower Respiratory Tract Inflam. and Immunologic Conditions
0.00%
0/801
0.21%
1/487
0.00%
0/178
Respiratory, thoracic and mediastinal disorders
Pulmonary Thrombotic and Embolic Conditions
0.62%
5/801
0.00%
0/487
0.56%
1/178
Skin and subcutaneous tissue disorders
Apocrine and Eccrine Gland Disorders
0.12%
1/801
0.00%
0/487
0.00%
0/178
Skin and subcutaneous tissue disorders
Skin Neoplasms Benign
0.00%
0/801
0.00%
0/487
0.56%
1/178
Vascular disorders
Aortic Aneurysms and Dissections
0.25%
2/801
0.21%
1/487
0.00%
0/178
Vascular disorders
Non-Site Specific Necrosis and Vascular Insufficiency NEC
0.12%
1/801
0.00%
0/487
0.00%
0/178
Vascular disorders
Peripheral Aneurysms and Dissections
0.00%
0/801
0.21%
1/487
0.00%
0/178
Vascular disorders
Peripheral Embolism and Thrombosis
0.25%
2/801
0.00%
0/487
0.56%
1/178
Vascular disorders
Peripheral Vascular Disorders NEC
0.25%
2/801
0.00%
0/487
0.00%
0/178
Vascular disorders
Peripheral Vasoconstriction, Necrosis and Vascular Insuff.
0.12%
1/801
0.00%
0/487
0.00%
0/178
Vascular disorders
Vascular Hypertensive Disorders NEC
0.25%
2/801
0.00%
0/487
0.56%
1/178
Vascular disorders
Vascular Hypotensive Disorders NEC
0.00%
0/801
0.21%
1/487
0.00%
0/178

Other adverse events

Other adverse events
Measure
Febuxostat 80 mg QD
n=801 participants at risk
Febuxostat 80 mg, taken orally, once daily.
Febuxostat 120 mg QD
n=487 participants at risk
Febuxostat 120 mg, taken orally, once daily
Allopurinol QD
n=178 participants at risk
Allopurinol 100 mg or 300 mg, tablets, orally, once daily.
Gastrointestinal disorders
Diarrhoea (Excl Infective)
4.7%
38/801
6.8%
33/487
2.2%
4/178
General disorders
Oedema NEC
6.1%
49/801
3.5%
17/487
1.7%
3/178
Infections and infestations
Influenza Viral Infections
5.5%
44/801
3.3%
16/487
1.1%
2/178
Infections and infestations
Lower Respiratory Tract and Lung Infections
7.5%
60/801
5.5%
27/487
3.4%
6/178
Infections and infestations
Upper Respiratory Tract Infections
30.7%
246/801
24.4%
119/487
16.9%
30/178
Musculoskeletal and connective tissue disorders
Joint Related Signs and Symptoms
12.5%
100/801
10.3%
50/487
6.7%
12/178
Musculoskeletal and connective tissue disorders
Musculoskeletal and Connective Tissues Signs and Symptoms NEC
17.5%
140/801
16.8%
82/487
12.9%
23/178
Nervous system disorders
Headache NEC
5.6%
45/801
7.8%
38/487
3.9%
7/178
Skin and subcutaneous tissue disorders
Dermatitis and Eczema
5.5%
44/801
4.7%
23/487
1.1%
2/178
Vascular disorders
Vascular Hypertensive Disorders NEC
8.4%
67/801
8.4%
41/487
2.8%
5/178

Additional Information

Senior Vice President, Clinical Science

Takeda Global Research & Development Center, Inc.

Phone: 800-778-2860

Results disclosure agreements

  • Principal investigator is a sponsor employee No publication related to study results will be published prior to publication of a multi-center report submitted for publication within 18 months after conclusion or termination of a study. Results publications will be submitted to sponsor for review 60 days in advance of publication. Sponsor can require removal of confidential information unrelated to study results. Sponsor can embargo a proposed publication for another 60 days to preserve intellectual property.
  • Publication restrictions are in place

Restriction type: OTHER