ArticleBMJ case reports2025
Suspected capecitabine-induced fatal toxicity in the context of a new DPYD variant.
Article in BMJ case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
We present the case of a male in his early 70s who died after receiving adjuvant chemotherapy, probably due to an undiagnosed dihydropyrimidine dehydrogenase (DPYD) deficiency. Despite normal results from standard DPYD genotyping prior to treatment, he developed severe gastrointestinal toxicity that progressed to bowel ischaemia and ultimately death. This case underscores the potential limitations of current genotyping approaches, which may not detect rare or functionally significant DPYD variants. It also highlights the need for a cautious and comprehensive approach to fluoropyrimidine therapy, especially in patients who develop unexpected toxicity, while recognising that other contributing factors may be involved.
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