You may need to initiate discussion of testing for DPD/DPYD deficiency with your oncologist
Share with your oncologist why testing is important to you. If your request is dismissed, share information we make available on this web site or consider an alternative provider.
There still is risk of severe toxicity even if you are tested
Research continues to identify DPYD variants and other factors that may contribute to DPD deficiency. Nonetheless by pre-screening, you will significantly lower your risk of severe toxicity.
Once treatment begins, you should be vigilant and report any signs early on-set toxicity.
