AssessinG Efficacy of Carboplatin and ATezOlizumab in Metastatic Lobular Breast Cancer (GELATO)

July 15, 2022 updated by: The Netherlands Cancer Institute

AssessinG Efficacy of Carboplatin and ATezOlizumab in Metastatic Lobular Breast Cancer: GELATO-trial

This is a single arm multicenter non-randomized phase II trial testing the efficacy of the combination of carboplatin plus atezolizumab in metastatic ILC

Study Overview

Status

Terminated

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

23

Phase

  • Phase 2

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

      • Amsterdam, Netherlands, 1066 CX
        • Antoni van Leeuwenhoek
      • Groningen, Netherlands, 9713 GZ
        • UMCG
      • Maastricht, Netherlands
        • Maastricht University Medical Center
      • Rotterdam, Netherlands, 3015CE
        • Erasmus Medical Center Cancer Institute

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Signed and written informed consent
  • Age 18 year or older
  • Metastatic or incurable locally advanced lobular breast cancer with confirmation of the lobular histology and E-cadherin loss on a biopsy of a metastatic lesion.
  • Metastatic lesion accessible for histological biopsies
  • Evidence of progression of disease
  • A maximum of two lines of palliative chemotherapy
  • WHO performance status of 0 or 1
  • Evaluable disease or measurable according to RECIST 1.1

Exclusion Criteria:

  • Leptomeningeal disease localization
  • History of having received other anticancer therapies within 2 weeks of start of the study drug
  • History of immunodeficiency, autoimmune disease, conditions requiring immunosuppression
  • Prior treatment with immune checkpoint blockade
  • Live vaccine within 2 weeks prior to start of study
  • Active other cancer
  • Active hepatitis B

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

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Carboplatin/Atezolizumab
Carboplatin AUC=1.5, weekly schedule, maximum 12 administrations Atezolizumab, 1200 mg flat dose, 3-weekly schedule, starting after two administrations of carboplatin
Chemotherapy treatment with carboplatin and atezolizumab
Chemotherapy treatment with carboplatin and atezolizumab

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of patients free of progression at 6 months
Time Frame: At 6 months
Progression as defined by RECST 1.1
At 6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of patients free of progression at 6 months in the IR profile subgroup
Time Frame: At 6 months
as defined by retrospective gene expression profiling
At 6 months
Number of patients free of progression at 6 months in the non- IR profile subgroup
Time Frame: At 6 months
as defined by retrospective gene expression profiling
At 6 months
Number of patients free of progression at 12 months
Time Frame: At 12 months
as defined by RECIST 1.1
At 12 months
Objective Response Rate
Time Frame: Assessed up to 60 months
Number of patients with a partial or complete response
Assessed up to 60 months
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)
Time Frame: Assessed up to one month after end of treatment
Adverse events will be graded according to NCI Common Toxicity Criteria version 4.03
Assessed up to one month after end of treatment
Overall Survival
Time Frame: Assessed up to 60 months
time from start treatment to death from any cause
Assessed up to 60 months

Collaborators and Investigators

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

Sponsor

Collaborators

Investigators

  • Principal Investigator: Marleen Kok, MD, NKI-AvL

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)

November 2, 2017

Primary Completion (Actual)

May 1, 2022

Study Completion (Actual)

July 1, 2022

Study Registration Dates

First Submitted

May 4, 2017

First Submitted That Met QC Criteria

May 9, 2017

First Posted (Actual)

May 10, 2017

Study Record Updates

Last Update Posted (Actual)

July 19, 2022

Last Update Submitted That Met QC Criteria

July 15, 2022

Last Verified

July 1, 2022

More Information

Terms related to this study

Other Study ID Numbers

  • M17GEL

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

IPD Plan Description

to be decided

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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