Optimization of Individualized Therapy for CRCs With Secondary RESISTance Towards Anti-EGFR Targeted Therapy Using an Avatar Model (2016-003295-46)

August 24, 2017 updated by: PD Dr. med. Volker Heinemann

Optimization of Individualized Therapy for CRCs With Secondary RESISTance Towards Anti-EGFR Targeted Therapy Using an Avatar Model (Colon-Resist-Net)

In this exploratory phase II trial, the possibility of a personalized treatment after resistance to cetuximab will be evaluated. Therefore, tumor material of all patients shall be obtained, transferred into avatars and treated the same way as in the patient until resistance arises. These resistant tumor cells are subsequently treated by different targeted treatment combinations in the mouse avatar model to find the most active drug or combination of drugs. This drug or combination of drugs may then be offered to the patient after cetuximab resistance has occurred. Multiple liquid biopsies shall be obtained in patients during first-line treatment with cetuximab as well as during second line experimental treatment to monitor mutations that may be associated with cetuximab resistance. Furthermore at the time of resistance a biopsy should be taken and analyzed to ensure that the mechanism of resistance seen in the avatar model matches with the mechanism of resistance in the individual patient.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Anticipated)

1000

Contacts and Locations

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

Study Contact

Study Locations

    • Bavaria
      • Munich, Bavaria, Germany, 81379

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

Sampling Method

Probability Sample

Study Population

locally advanced colorectal cancer

Description

Inclusion Criteria:

  • Male and female patients age ≥ 18 years
  • Written declaration of consent
  • ECOG Performance Status 0-1
  • Life expectancy> 3 months
  • Histologically confirmed adenocarcinoma of the colon or rectum at stage UICC III or UICC IV
  • Histologically confirmed adenocarcinoma of the colon or rectum in stage UICC II with one of the following risk factors: CEA> 200; T4 tumor, emergency surgery, <12 distant lymph nodes, surgery due to intestinal obstruction (ileus)
  • Patient agrees to the preservation of tumor material for the purpose of molecular analyzes including the determination of the genetic profile of the tumor (participation in the project "RESIST")

Exclusion Criteria:

  • Preoperative Radiotherapy
  • Preoperative chemotherapy
  • Heart failure> Grade II (functional NYHA classification)
  • Existing concomitant disease or condition that would make the patient unsuitable for a study participation or interfere with the safety of the subject
  • Any psychological, familial, sociological or geographical event which does not allow observance of the study protocol
  • Additional carcinoma therapy (chemotherapy, radiation, biological therapy, immunotherapy or hormonal therapy) during the study
  • Known malignant second neoplasia within the last 5 years (except for a basal cell carcinoma or a carcinoma in situ of the uterine cervix).

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

  • Observational Models: Case-Control
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Chemotherapy plus targeted treatment
Patients are treated in second-line with chemotherapy plus a targeted treatment according to the resistance mechanism to cetuximab pretreatment
individualized second line treatment
Chemotherapy according to physician choice standard
Patients are treated in second-line with chemotherapy according to physicians choice after cetuximab pretreatment

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression-free-survival
Time Frame: 5-7 months
according to RECIST 1.1
5-7 months

Collaborators and Investigators

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

Sponsor

Collaborators

Investigators

  • Principal Investigator: Sebastian Stintzing, Prof. Dr., Senior Physician

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)

January 1, 2017

Primary Completion (Anticipated)

January 1, 2021

Study Completion (Anticipated)

January 1, 2025

Study Registration Dates

First Submitted

August 24, 2017

First Submitted That Met QC Criteria

August 24, 2017

First Posted (Actual)

August 28, 2017

Study Record Updates

Last Update Posted (Actual)

August 28, 2017

Last Update Submitted That Met QC Criteria

August 24, 2017

Last Verified

August 1, 2017

More Information

Terms related to this study

Other Study ID Numbers

  • RESIST

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

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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