Introduction Few studies have reported on administering enfortumab vedotin to patients with metastatic urothelial carcinoma and end‐stage renal disease requiring hemodialysis. Case presentation Case 1: An 85‐year‐old man underwent hemodialysis for progressive renal failure 4 months after right laparoscopic radical nephroureterectomy. Case 2: A 73‐year‐old man underwent hemodialysis after two laparoscopic radical nephroureterectomies for recurrent urothelial carcinoma. In both cases, enfortumab vedotin was administered due to postoperative recurrence and progression despite platinum‐based chemotherapy and pembrolizumab. Partial response and disease progression were observed in cases 1 and 2, respectively. Adverse events included a mild skin rash in both patients and neutropenia in Case 1, both of which resolved with symptomatic treatment. Conclusion The efficacy and safety of enfortumab vedotin in patients with metastatic urothelial carcinoma, and end‐stage renal disease undergoing hemodialysis, were confirmed.
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