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Nephron-sparing Treatment of Tislelizumab + Nab-Paclitaxel for Renal Pelvic Cancer

NCT07233252 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 35

Last updated 2025-11-18

No results posted yet for this study

Summary

This study is designed as an open-label, single-arm, single-center, phase II clinical trial, aiming to evaluate the efficacy of nephron-sparing treatment combining Tislelizumab and Nab-Paclitaxel for HER-2 expressing renal pelvic cancer (RPC) . Patients enrolled will receive 2-3 cycles of Tislelizumab in combination with Nab-Paclitaxel every 3 weeks and then undergo evaluation. Patients who achieve all of the following criteria of "well response and tolerance" will receive further maintenance treatment:

(1)The patient achieves a complete response (CR) or partial response (PR) according to the RECIST 1.1 criteria, indicating that the tumor is well-controlled. (2) If the patient has residual lesions, it should be confirmed by the clinical physician that these lesions can be eliminated through laser ablation via ureteroscopy. (3)The patient has not experienced any treatment-related adverse events (TRAEs) that warrant discontinuation of therapy during systemic treatment. (4)The patient is willing to undergo further maintenance therapy. If the patient meets all the criteria above, ureteroscopic biopsy should be performed. If residual lesions are detected under the ureteroscope, endoscopic intervention (e.g., laser ablation, cryoablation) should be carried out simultaneously to eliminate these residual lesions. Patients who meet the above criteria will proceed with no less than 2 cycles of maintenance systemic therapy (Tislelizumab + Nab-Paclitaxel). Patients who do not meet the criteria will be excluded from the study and are recommended to undergo salvage radical nephroureterectomy (RNU) as soon as possible. One-year Nephron-Sparing Survival (1 year-NSS): Defined as the absence of surgical indications for nephrectomy due to progression or recurrence of upper urinary tract urothelial carcinoma, distant metastasis caused by the primary upper urinary tract tumor, or death from any cause within 1 year from the initiation of treatment. Treatment-related adverse events (TRAEs) will be recorded and evaluated according to CTCAE 5.0.

Conditions

  • Renal Pelvic Carcinoma
  • Tislelizumab
  • PD-1 Inhibitor
  • Kidney-sparing
  • Nab-paclitaxel

Interventions

DRUG

Nab-paclitaxel

Nab-Paclitaxel 125 mg/m2 IV will be administered on Day 1 every 3 weeks for 2-3 cycles before evaluation, then on Day 1 every 3 weeks for maintenance therapy after evaluation (only for patients who achieved the criteria of "well response and tolerance").

DRUG

Tislelizumab

Tislelizumab 200mg iv will be administered on Day 1 every 3 weeks for 2-3 cycles before evaluation, then on Day 1 every 3 weeks for 3-6 cycles as maintenance therapy after evaluation (only for patients achieved the criteria of "well response and tolerance").

PROCEDURE

endoscopic intervention

Patients who achieved the criteria of "well response and tolerance", but with residual lesions will receive endoscopic intervention (e.g., laser ablation, cryoablation) via ureteroscopy.

Sponsors & Collaborators

  • Tianjin Medical University Second Hospital

    lead OTHER

Principal Investigators

  • Hailong Hu, PhD · Tianjin Medical University Second Hospital

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-11-25
Primary Completion
2026-12-30
Completion
2030-12-30

Countries

  • China

Study Locations

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Entities

Drugs

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 NCT07233252 on ClinicalTrials.gov