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Reportability of Basal Invasion and Resection Margins in Endoscopically Resected Upper Tract Urothelial Carcinoma Specimens: A Multicenter Prospective Cohort Study

Reportability of Basal Invasion and Resection Margins in Endoscopically Resected Upper Tract Urothelial Carcinoma Specimens: A Multicenter Prospective Cohort Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128625
Enrollment
Unknown
Registered
2026-07-23
Start date
2026-07-23
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Upper tract urothelial carcinoma

Interventions

Kidney-sparing group:None

Sponsors

Peking University First Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Newly diagnosed or recurrent upper tract urothelial carcinoma (UTUC) suspected by preoperative imaging, such as CT urography or MR urography, and preliminary ureteroscopic examination; 2. Radiological evidence of cT1-2N0M0 UTUC, with kidney-sparing endoscopic treatment planned; 3. Aged 18 years or older, regardless of sex; 4. Able to provide written informed consent, willing to comply with the study protocol, and able to complete follow-up.

Exclusion criteria

Exclusion criteria: 1. Radiological evidence of locally advanced , cN+, or cM1 disease; 2. Contraindications to ureteroscopic surgery, such as severe cardiovascular disease or an uncorrectable coagulation disorder; 3. Severe uncontrolled urinary tract infection; 4. History of another malignancy or receipt of other anticancer treatment within the previous five years; 5. Concurrent urinary or genital malignancy, such as renal cancer or prostate cancer; 6. Participation in a drug clinical trial within three months before enrollment; 7. Any condition considered by the investigator likely to increase participant risk or interfere with study conduct; 8. Incomplete specimens or clinical data.

Design outcomes

Primary

MeasureTime frame
Reportability rate of basal resection margin status;

Secondary

MeasureTime frame
Assessability rate of pathological T stage;Interobserver agreement among pathologists;Tumor grade reportability rate;Specimen quality-related indicators;Interpretability rate of basal invasion status;Perioperative safety;

Countries

China

Contacts

Public ContactGengyan Xiong

Peking University First Hospital

xgy13537221@163.com+86 10 83572845

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026