A Multicenter Prospective Cohort Study on Monitoring Recurrence of Urothelial Carcinoma Based on Detection of Urinary Microscopic Residual Disease (MRD)

This was a multicenter, prospective, non-interventional, observational cohort study, and the enrolled patients were divided into four cohorts: cohort I was patients with high-risk upper tract urothelial carcinoma (UTUC) (pT3-4 or N+); cohort II was patients with non-muscle invasive bladder cancer (NMIBC) (including low-risk, intermediate-risk, and high-risk/very-high-risk); cohort III was patients with muscle-invasive bladder cancer (MIBC) to receive neoadjuvant therapy; and cohort IV was patients evaluated for complete response (CR) after standard trimodality therapy (TMT) treatment (i.e. patients with successful bladder preservation). Primary Objectives Cohorts I and IV: MRD score to assess the sensitivity and specificity of imaging recurrence/metastasis; Cohort II: MRD score to assess the sensitivity and specificity of tumor recurrence; Cohort III: MRD score to assess the sensitivity and specificity of tumor remnants. Secondary Objectives Cohorts I and IV: MRD score to assess the sensitivity and specificity of imaging recurrence subgroup and metastasis subgroup; Cohort II: MRD score to assess the sensitivity and specificity of different grades and stages of recurrent tumors; Cohort III: MRD scores to assess the sensitivity and specificity of different grades and stages of residual tumors.

This description comes directly from the study's public registry record.

Cuijian Zhang, MD.  ·  +86 18511695818  ·  surgeon_zhang@126.com

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