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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06205277
Other study ID # 113/21
Secondary ID
Status Completed
Phase
First received
Last updated
Start date January 1, 2022
Est. completion date December 31, 2023

Study information

Verified date January 2024
Source University of Trieste
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The START study is a multicentre retrospective project. The aim is to identify clinico-pathological predictors of residual tumor at time of second transurethral resection of bladder tumor (re-TURBt) and to identify well-selected candidates for a risk-adapted strategy in which this procedure could be safely spared.


Description:

Background Transurethral resection of bladder tumor (TURBt) is the standard procedure for bladder cancer (BCa) diagnosis and represents, at the same time, the most important therapeutic moment for patients with non muscle-invasive bladder cancer (NMIBC). A second or re-staging TURBt (re-TURBt), performed within 2 - 6 weeks from the initial TURBt, is currently recommended in all patients harboring tumor invasion into the lamina propria (pT1). The importance of re-TURBT lies not only in the inadequacy of the initial resection but also in its ability in providing additional prognostic information essential for risk-stratification refining. However, it should be underlined that re-TURBt is an invasive and morbid procedure that severely affects patients' quality of life as it has to be performed on a elderly subset of patients that is maybe still suffering from the consequences of the previous surgery. Moreover, re-TURBt represents a costly procedure and a non-negligible source of logistic difficulties since it has to be scheduled within 2 to 6 weeks from the previous resection, making waiting lists longer especially for non-high-volume centers. For all these reasons, not all the published literature agrees on the value of re-TURBt. Recently many authors focused their attention to this debated topic, questioning whether the technique used for resection, the timing of the resection itself, or the presence of CIS or the presence of detrusor muscle in the first sampling could impact on the presence of residual disease at second TURBt. As a cornerstone in the management of high-risk NMIBC patients, recently it was pointed out as re-TURBt could be safely spared in some cases in favor of immediate conservative or radical treatments as timing a crucial crossroad in BCa landscape. Here, a multicentre cohort of 321 patients found that the presence of detrusor muscle at first TURBt specimen, the absence of concomitant CIS and the en-bloc resection technique were independent predictors of negative histology at re-TURBt. Bearing this in mind, the aim of this multicentre study is to identify predictors of residual tumor at re-TURBt and to further explore their clinical applicability within a risk-adapted strategy to identify patients who can be safely spared from this procedure. Hypothesis Residual disease at time of re-TURBt has distinct patterns of presentation. Study Aims To define clinico-pathological predictors of residual tumor at time of re-TURBt. To identify well-selected candidates for a risk-adapted strategy in which this procedure could be safely spared. Outcome Measures Primary Objectives: to explore the rate of influence and the impact on residual tumor at re-TURBt among: clinical and demographic variables, preoperatory systemic inflammatory markers, surgical determinants, and pathological features. Secondary Objectives: to test the applicability and validity of such predictors into a nomogram to identify who could be safely spared from re-TURBt.


Recruitment information / eligibility

Status Completed
Enrollment 1300
Est. completion date December 31, 2023
Est. primary completion date December 31, 2023
Accepts healthy volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. patients undergoing second TURBt (re-TURBt) for pT1LG/HG NMIBC after a macroscopically completed first TURBt (in patients with multiple lesions only the index lesion pT1 conditioning the indication of re-TURBt will be considered). Therefore, presence of residual tumor or not at time of re-TURBt will be assessed at site of previous pT1. 2. patients able to provide written informed consent; 3. clinical-localized non-metastatic disease (cN0, cM0). Exclusion Criteria: 1. patients with clinical non-localized BCa (cN+, cM+); 2. patients with incomplete resection at time of first TURBt according to surgeon: macroscopic evidence of residual tumor, too long resection requiring a second-look will be excluded from the current study; 3. patients with incomplete clinical or demographic or pathological data; 4. patients who were unable to provide written informed consent; 5. patients who underwent urgency or emergency procedures in life-threating scenario

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Second TURBt
Second TURBt for pT1 NMIBC as per current EAU Guidelines.

Locations

Country Name City State
Italy University of Trieste - Azienda Ospedaliera Universitaria Giuliano Isontina Trieste Friuli Venezia Giulia

Sponsors (1)

Lead Sponsor Collaborator
University of Trieste

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary Patients with histologically confirmed evidence of residual tumor at second TURBt Patients with histologically confirmed evidence of residual tumor at second TURBt defined as any pT BCa 6 to 8 weeks
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