Urine methylation assay shows high sensitivity for detecting and monitoring urothelial cancer

Prospective · JAMA Netw Open · 2026-09-30. Number 4 in the UrologyWatch Top 5 for September 30, 2026.

A multicenter prospective study of a urine-based AL021918.2/vimentin methylation assay in over 2,300 patients found sensitivities around 91% and specificities around 90% for urothelial carcinoma detection and surveillance.

Why it matters: Could offer a noninvasive alternative or adjunct to cystoscopy and cytology for bladder cancer detection and surveillance.

Source: JAMA Netw Open · PubMed 42809283 · DOI 10.1001/jamanetworkopen.2026.36786

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