Cochrane · systematic review · CD006945

Urate oxidase for the prevention and treatment of tumour lysis syndrome in children with cancer

Cheuk, DKL, Chiang, AKS, Chan, GCF, et al. · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

Childhood CancerAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
14
current version
GRADE rated
11
No studies
3
Included studies
NR
No studies 3 · 21.4%Ungraded 0 · 0%Very low 1 · 7.1%Low 10 · 71.4%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Summary of findings: urate oxidase compared with allopurinol

Population: children with haematological malignancy at risk of tumour lysis syndrome
7 questions
OutcomeEffectEvidenceStatus / GRADE
Incidence of clinical tumour lysis syndrome (
Summary of findings: urate oxidase vs allopurinol
RR 0.77 [0.44, 1.33]1 study · 348 participantsLow
Downgraded: risk of bias, imprecision
Mortality due to tumour lysis syndrome (
Summary of findings: urate oxidase vs allopurinol
RR 0.05 [0, 0.89]3 studies · 396 participantsLow
Downgraded: risk of bias, imprecision
Renal failure requiring renal replacement therapy (
Summary of findings: urate oxidase vs allopurinol
RR 0.26 [0.08, 0.89]5 studies · 992 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Normalisation of serum uric acid
Summary of findings: urate oxidase vs allopurinol
no estimate extracted1 study · 19 participantsLow
Downgraded: risk of bias, imprecision
Percentage reduction in serum uric acid level
Summary of findings: urate oxidase vs allopurinol
no estimate extractedNRNo studies
AUC of serum uric acid level at 4 days (
Summary of findings: urate oxidase vs allopurinol
no estimate extracted1 study · 52 participantsLow
Downgraded: risk of bias, imprecision
Frequency of adverse events (
Summary of findings: urate oxidase vs allopurinol
RR 9.1 [1.29, 64]3 studies · 345 participantsLow
Downgraded: risk of bias, imprecision

Summary of findings: high‐dose urate oxidase compared with low‐dose urate oxidase

Population: children with haematological malignancy at risk of tumour lysis syndrome
7 questions
OutcomeEffectEvidenceStatus / GRADE
Incidence of clinical tumour lysis syndrome
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
no estimate extractedNRNo studies
Mortality due to tumour lysis syndrome
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
no estimate extracted1 study · 30 participantsLow
Downgraded: risk of bias, imprecision
Renal failure requiring renal replacement therapy
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
no estimate extracted1 study · 29 participantsLow
Downgraded: risk of bias, imprecision
Normalisation of serum uric acid (
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
RR 1.07 [0.89, 1.28]1 study · 29 participantsLow
Downgraded: risk of bias, imprecision
Percentage reduction in serum uric acid level at 4 hours (
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
no estimate extracted1 study · 29 participantsLow
Downgraded: risk of bias, imprecision
AUC of serum uric acid level
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
no estimate extractedNRNo studies
Frequency of adverse events (
Summary of findings: high‐dose urate oxidase vs low‐dose urate oxidase
RR 0.54 [0.12, 2.48]1 study · 29 participantsLow
Downgraded: risk of bias, imprecision