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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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Intranasal steroid spray vs placebo or no intervention

Change in sense of smell · people with olfactory dysfunction for less than 4 weeks following COVID‐19 infection
3 findings from 1 review

Dexrazoxane vs no cardioprotective intervention or placebo

Heart failure · adults with cancer receiving anthracyclines

Dexrazoxane probably leads to lower clinical heart failure Available case analysis compared with no cardioprotective intervention or placebo (moderate certainty).

1 finding from 1 review

Dexrazoxane vs no cardioprotective intervention

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... · children with cancer receiving anthracyclines

Dexrazoxane may leads to lower clinical heart failure and subclinical myocardial dysfunction… compared with no cardioprotective intervention (low certainty).

1 finding from 1 review

Dexrazoxane vs no cardioprotective intervention

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... · children with cancer receiving anthracyclines
1 finding from 1 review

Dexrazoxane vs no cardioprotective intervention

Has died · children with cancer receiving anthracyclines

Dexrazoxane showed no clear difference in overall mortality (Reported as number of participants who died) compared with no cardioprotective intervention (low certainty).

1 finding from 1 review

Dexrazoxane vs no cardioprotective intervention

Tumour response rate Defined as number of complete remissions (no definition of complete remission provided). Best‐case analysis · children with cancer receiving anthracyclines

It is very uncertain whether dexrazoxane changes tumour response rate Defined as number of complete remissions (no… compared with no cardioprotective intervention (very low certainty).

1 finding from 1 review

Dexrazoxane vs no cardioprotective intervention

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... · children with cancer receiving anthracyclines

Dexrazoxane showed no clear difference in tumour response rate Defined as number of complete responses (i.e.… compared with no cardioprotective intervention (low certainty).

1 finding from 1 review