For cardioprotective agents for which pooling was impossible no high quality evidence was available and therefore, no definitive conclusions can be made about their efficacy. Dexrazoxane prevents heart damage, however there was some suggestion that patients treated with dexrazoxane might have a lower anti-tumour response rate. There was no significant difference in survival between the dexrazoxane and control group. We conclude that if the risk of cardiac damage is expected to be high, it might be justified to use dexrazoxane in patients with cancer treated with anthracyclines. However, for each individual patient clinicians should weigh the cardioprotective effect of dexrazoxane against the possible risk of a lower response rate.
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