Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

Febuxostat 40 mg/day vs placebo

Acute gout attacks · people with chronic gout

Febuxostat 40 mg/day showed no clear difference in incidence of gout flares compared with placebo (low certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs placebo

Serious adverse events · people with chronic gout

Febuxostat 80 mg/day showed no clear difference in serious Adverse Events compared with placebo (moderate certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs placebo

Withdrawals due to adverse events · people with chronic gout

Febuxostat 80 mg/day showed no clear difference in discontinuations due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Febuxostat 40 mg/day vs placebo

Serum uric acid <6.0 mg/dL at final visit · people with chronic gout

Febuxostat 40 mg/day may leads to higher serum uric acid <6.0 mg/dL at final visit compared with placebo (low certainty).

1 finding from 1 review

Febuxostat 40 mg/day vs allopurinol

Serum uric acid <6.0 mg/dL at final visit · people with chronic gout

Febuxostat 40 mg/day showed no clear difference in serum uric acid <6.0 mg/dL at final visit compared with allopurinol (moderate certainty).

1 finding from 1 review

Febuxostat 40 mg/day vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Febuxostat 40 mg/day showed no clear difference in discontinuations due to adverse events compared with allopurinol (high certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs allopurinol

Serum uric acid <6.0 mg/dL at final visit · people with chronic gout

Febuxostat 80 mg/day may leads to higher serum uric acid <6.0 mg/dL at final visit compared with allopurinol (low certainty).

1 finding from 1 review