Cochrane · systematic review · CD014638

Dexrazoxane for preventing or reducing cardiotoxicity in adults and children with cancer receiving anthracyclines

de Baat, EC, Mulder, RL, Armenian, S, et al. · Cochrane Database of Systematic Reviews · 2022 · Cochrane Library

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
20
current version
GRADE rated
16
No studies
4
Included studies
NR
No studies 4 · 20%Ungraded 0 · 0%Very low 2 · 10%Low 8 · 40%Moderate 6 · 30%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

Dexrazoxane versus no cardioprotective intervention or placebo for preventing or reducing cardiotoxicity in adults with cancer receiving anthracyclines

Population: adults with cancer receiving anthracyclines
10 questions
OutcomeEffectEvidenceStatus / GRADE
Clinical heart failure Available case analysis
Dexrazoxane vs no cardioprotective intervention or placebo
RR 0.22 [0.11, 0.43]7 studies · 1221 participantsModerate
Downgraded: risk of bias, imprecision
Clinical heart failure and subclinical myocardial dysfunction combined Comparable definitions; see Characteristics of included studies for exact definitions. Available‐case analysis
Dexrazoxane vs no cardioprotective intervention or placebo
RR 0.37 [0.24, 0.56]3 studies · 417 participantsModerate
Downgraded: risk of bias, imprecision
Clinical heart failure and subclinical myocardial dysfunction combined Comparable definitions; see Characteristics of included studies for exact definitions. Available‐case analysis
Dexrazoxane vs no cardioprotective intervention or placebo
RR 0.46 [0.33, 0.66]2 studies · 534 participantsModerate
Downgraded: risk of bias, imprecision
Overall survival (Illustrative comparative risks reported as number of alive participants)
Dexrazoxane vs no cardioprotective intervention or placebo
HR 1.04 [0.88, 1.23]4 studies · 4 participantsModerate
Downgraded: risk of bias, imprecision
Progression‐free survival Defined as time from first date of complete response, partial response or stable disease until the date progressive disease was first noticed (Illustrative comparative risks reported as number of participants without prog...
Dexrazoxane vs no cardioprotective intervention or placebo
HR 0.62 [0.43, 0.9]1 study · 164 participantsLow
Downgraded: risk of bias, imprecision
Progression‐free survival Defined as time to progression; starting point nm (Illustrative comparative risks reported as number of participants without progression)
Dexrazoxane vs no cardioprotective intervention or placebo
HR 0.95 [0.64, 1.4]1 study · 1 participantsLow
Downgraded: risk of bias, imprecision
Progression‐free survival Defined as time from randomisation to progression either on or off treatment (Illustrative comparative risks reported as number of participants without progression)
Dexrazoxane vs no cardioprotective intervention or placebo
HR 1.18 [0.97, 1.43]2 studies · 2 participantsModerate
Downgraded: risk of bias, imprecision
Tumour response rate Defined as number of complete or partial remissions Available‐case analysis
Dexrazoxane vs no cardioprotective intervention or placebo
RR 0.91 [0.79, 1.04]6 studies · 956 participantsModerate
Downgraded: risk of bias, imprecision
Quality of life
Dexrazoxane vs no cardioprotective intervention or placebo
no estimate extractedNRNo studies
Secondary malignant neoplasms
Dexrazoxane vs no cardioprotective intervention or placebo
no estimate extractedNRNo studies

Dexrazoxane versus no cardioprotective intervention for preventing or reducing cardiotoxicity in children with cancer receiving anthracyclines

Population: children with cancer receiving anthracyclines
10 questions
OutcomeEffectEvidenceStatus / GRADE
Clinical heart failure Available‐case analysis
Dexrazoxane vs no cardioprotective intervention
RR 0.2 [0.01, 4.19]3 studies · 885 participantsLow
Downgraded: risk of bias, imprecision
Cardiomyopathy/heart failure primary cause of death Available‐case analysis
Dexrazoxane vs no cardioprotective intervention
no estimate extracted3 studies · 1008 participantsLow
Downgraded: risk of bias, imprecision
Clinical heart failure and subclinical myocardial dysfunction combined Defined as (1) evidence of clinical congestive heart failure, (2) a reduction in LVEF as measured by MUGA to < 45% or (3) a decrease in LVEF as measured by MUGA of > 20 percent...
Dexrazoxane vs no cardioprotective intervention
RR 0.33 [0.13, 0.85]1 study · 33 participantsLow
Downgraded: risk of bias, imprecision
Clinical heart failure and subclinical myocardial dysfunction combined Defined as clinical heart failure (no definition provided) or subclinical myocardial dysfunction defined as decreased LVFS; however, it was stated that toxicity was graded acco...
Dexrazoxane vs no cardioprotective intervention
no estimate extracted1 study · 537 participantsVery low
Downgraded: risk of bias, imprecision
Overall mortality (Reported as number of participants who died)
Dexrazoxane vs no cardioprotective intervention
HR 1.01 [0.72, 1.42]3 studies · 1008 participantsLow
Downgraded: risk of bias, imprecision
Progression‐free survival
Dexrazoxane vs no cardioprotective intervention
no estimate extractedNRNo studies
Tumour response rate Defined as number of complete remissions (no definition of complete remission provided). Best‐case analysis
Dexrazoxane vs no cardioprotective intervention
RR 1.01 [0.95, 1.07]1 study · 206 participantsVery low
Downgraded: risk of bias, imprecision
Tumour response rate Defined as number of complete responses (i.e. disappearance of active Hodgkin lymphoma (gallium negative, ≥ 70% decrease in the sum of the products of the perpendicular diameters of measurable lesions, and negative bone marrow...
Dexrazoxane vs no cardioprotective intervention
RR 0.92 [0.84, 1.01]1 study · 200 participantsLow
Downgraded: risk of bias, imprecision
Quality of life
Dexrazoxane vs no cardioprotective intervention
no estimate extractedNRNo studies
Secondary malignant neoplasms Available‐case analysis
Dexrazoxane vs no cardioprotective intervention
RR 3.08 [1.13, 8.38]3 studies · 1015 participantsLow
Downgraded: risk of bias, imprecision