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Biomarker-Enriched Kidney-Preserving Strategy With Disitamab Vedotin Plus Tislelizumab in HER2-Positive High-Risk Upper Tract Urothelial Carcinoma

NCT07584733 · Status: NOT_YET_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 50

Last updated 2026-05-13

No results posted yet for this study

Summary

This is a prospective, multicentre, single-arm phase II study evaluating a response-adapted kidney-preserving strategy in patients with HER2-positive high-risk upper tract urothelial carcinoma (UTUC). Patients will receive neoadjuvant disitamab vedotin plus tislelizumab, followed by response-adapted local treatment, including kidney-sparing surgery or radical nephroureterectomy based on predefined criteria.

The primary objective is to assess whether this multimodal strategy can achieve clinically meaningful oncologic control while preserving renal function, as measured by 1-year kidney-intact event-free survival (KI-EFS). Secondary and exploratory objectives include evaluation of clinical response, survival outcomes, safety, renal function preservation, and longitudinal dynamics of circulating and urinary tumor DNA.

Conditions

  • Upper Tract Urothelial Carcinoma

Interventions

DRUG

RC48 Combined With Tislelizumab

In this trial, RC48 was scheduled to be administered at a dose of 2.0 mg/kg every 3 weeks, with the first dose on day 1 of the first cycle. Tislelizumab was administered at a dose of 200 mg every 3 weeks, with the first dose on day 1 of the first 21-day cycle. The drug is diluted with normal saline and administered by intravenous drip for one hour.

Sponsors & Collaborators

  • West China Hospital

    collaborator OTHER

  • Tianjin Medical University Second Hospital

    collaborator OTHER

  • Peking University First Hospital

    collaborator OTHER

  • RenJi Hospital

    lead OTHER

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-05-31
Primary Completion
2027-12-31
Completion
2028-12-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07584733 on ClinicalTrials.gov