Evaluation of PD-L1 Expression and Immune Infiltration in High-risk Non Muscle Invasive Bladder Cancer (IMMUN VESSIE)

January 25, 2021 updated by: University Hospital, Bordeaux

Non-muscle-invasive bladder cancer (NMIBC) has a high rate of recurrence (60 to 70%) and progression (20 to 30%) to muscle-invasive bladder cancer (MIBC).

The local immunotherapy (intra-vesical Bacillus Calmette-Guerin (BCG) following transurethral resection of the bladder tumor (TURBT)) reduces significantly the risk of recurrence and progression as compared to observation or to intra-vesical chemotherapy.

Systemic immunotherapy with programmed death ligand-1 (PD-L1) or Programmed cell Death 1 (PD1) inhibitors has shown major efficacy in the treatment of patients with advanced/metastatic urothelial carcinoma who have progressed on platinum-based regimens of chemotherapy, or even in front line setting. In the field of NMIBC, immunotherapy using PD-L1 or PD1 inhibitors is under investigation but the frequency of PD-L1 expression has rarely been precisely described in the different subtypes.

The aim of this retrospective study is to investigate the expression of PD-L1 by different types of NMIBC.

The secondary objective is to characterize the immune contexture of NMIBC.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Non-muscle-invasive bladder cancer (NMIBC) has a high rate of recurrence (60 to 70%) and progression (20 to 30%) to muscle-invasive bladder cancer (MIBC).

The local immunotherapy (intra-vesical Bacillus Calmette-Guerin (BCG) following transurethral resection of the bladder tumor (TURBT)) reduces significantly the risk of recurrence and progression as compared to observation or to intra-vesical chemotherapy.

Systemic immunotherapy with programmed death ligand-1 (PD-L1) or Programmed cell Death 1 (PD1) inhibitors has shown major efficacy in the treatment of patients with advanced/metastatic urothelial carcinoma who have progressed on platinum-based regimens of chemotherapy, or even in front line setting. In the field of NMIBC, immunotherapy using PD-L1 or PD1 inhibitors is under investigation but the frequency of PD-L1 expression has rarely been precisely described in the different subtypes.

The aim of this retrospective study is to investigate the expression of PD-L1 by different types of NMIBC.

The secondary objective is to characterize the immune contexture of NMIBC. The immunological contexture of NMIBC in comparison with normal bladder tissue and invasive bladder cancer will be deciphered. The objective is to determine immune signatures associated with response or relapse/progression, with and without immune treatments in NMIBC.

Study Type

Observational

Enrollment (Actual)

100

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
      • Talence, France
        • Centre Hospitalier Universitaire de Bordeaux

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients with histologically documented normal bladder, NMIBC (Ta, T1, CIS) or MIBC stored in the tissue bank.

Description

Inclusion Criteria:

Patients with histologically documented normal bladder, NMIBC (Ta, T1, CIS) or MIBC stored in the tissue bank.

Samples collected from 2007 to 2011. 3 years follow-up is mandatory to assess the frequency of recurrences and progressions.

Exclusion Criteria:

  • History of autoimmune disease
  • Active tuberculosis
  • Prior treatment with CD137 agonists, anti-programmed death-1 (PD-1), or anti-PD-L1 therapeutic antibody or pathway-targeting agents

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Patients with histologically documented normal bladder
Biological: Samples of bladder tissue
Samples of bladder tissue collected between 2007 and 2011.
Patients with histologically documented Non Muscle Invasive Bladder Cancer
Biological: Samples of bladder tissue
Samples of bladder tissue collected between 2007 and 2011.
Patients with histologically documented Muscle Invasive Bladder Cancer
Biological: Samples of bladder tissue
Samples of bladder tissue collected between 2007 and 2011.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
PD-L1 status (positive or negative) of the tumor and tumor associated immune cells.
Time Frame: Day 1

PD-L1 status will be considered positive if more than 25% of tumor cells exhibit membrane staining or immune cells present (ICP) >1% and immune cells (IC)+ >25% or ICP=1% and IC+ = 100%.

PD-L1 status will be considered negative if none of the criteria for PD-L1 positive status are met.
Day 1

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Descriptive analysis of the differential expression of all the following immune biomarkers in normal bladder tissue, NMIBC (Non Muscle Invasive Bladder Cancer) and MIBC (Muscle Invasive Bladder Cancer).
Time Frame: Day 1
Descriptive statistics will be performed from clinical characteristics as mean values for categorical variables, or medians (range) for non-normal continuous variables.
Day 1
Association of immune profile with recurrence and progression rates
Time Frame: Day 1
Association between all variables will be analysed with t-test, Mann Whitney or ANOVA multiple comparison test. Correlation analysis will be performed with χ2 and Fischer exact test. Results will be considered significant if the p-value is <0.05.
Day 1

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University Hospital, Bordeaux

Collaborators

University of Bordeaux

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 16, 2020

Primary Completion (Actual)

May 14, 2020

Study Completion (Actual)

May 14, 2020

Study Registration Dates

First Submitted

January 19, 2021

First Submitted That Met QC Criteria

January 25, 2021

First Posted (Actual)

January 27, 2021

Study Record Updates

Last Update Posted (Actual)

January 27, 2021

Last Update Submitted That Met QC Criteria

January 25, 2021

Last Verified

January 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CHUBX2018/55

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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