Spots Global Cancer Trial Database for Optimization of Individualized Therapy for CRCs With Secondary RESISTance Towards Anti-EGFR Targeted Therapy Using an Avatar Model

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Trial Identification

Brief Title: Optimization of Individualized Therapy for CRCs With Secondary RESISTance Towards Anti-EGFR Targeted Therapy Using an Avatar Model

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

Study ID: NCT03263663

Conditions

UICC IV Curative Intent

Interventions

targeted substance according to the avatar model

Study Description

Brief Summary: 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.

Detailed Description: