Prognosis of Patients With Upper Tract Urothelial Carcinoma Receiving Kidney-sparing Therapy

Condition(s) studied

Investigational drug(s) / intervention(s)

Observational: This is a prospective observational study with observation only and no intervention

Study summary

Upper tract urothelial carcinoma (UTUC) is a rare malignant disease which accounts for 5-10% of urothelial carcinoma in the western world and 9%-30% in China. About two thirds of patients have muscle invasive disease at diagnosis. Those patients usually have poor prognosis. The 5 year cancer specific survival is \<50% for pT2/T3 and \<10% for pT4. Radical nephroureterectomy is the standardized treatment for non-metastatic high risk UTUC. However, about half patients may suffer from impaired renal function after nephroureterectomy. On the other hand, kidney sparing surgery can avoid renal function impairment, but the therapy is only recommended for few patients with low-risk disease. The treatment for urothelial carcinoma has changed rapidly in the past few years. Immune checkpoint inhibitors and novel agents such as ADCs have shown promising therapeutic effect and were approved for patients with metastatic UTUC. Meanwhile, a recent study shows that patients with high-risk disease can also receive kidney sparing surgery without compromising cancer specific survival and overall survival. This prospective, observational study aims to evaluate the prognosis of contemporary kidney sparing surgery in patients with UTUC with or without perioperative therapy in the real world.

Eligibility

Primary outcome measure(s)

• Two-year events-free survival rate — Up to 2 years
  events-free survival defined as time from initiation of first protocol therapy until the first time to develop any local recurrence (local/bladder), distant metastases or any cause-related death.

Trial sites (1)

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