Dendritic Cell Vaccination in Patients With Lynch Syndrome or Colorectal Cancer With MSI


NCT01885702

Interventional

Phase 1/Phase 2

Active, not recruiting
Objectives: In this Radboud University Nijmegen Medical Centre (RUNMC) initiated study our first objective is to investigate toxicity (safety and feasibility) of vaccination with frameshift-derived neoantigen-loaded DC of CRC patients with an MSI-positive CRC and persons who are known to be carrier of a germline MMR-gene mutation with no signs of disease yet. The secondary objectives of the study are: - to demonstrate that peptide-loaded DC can induce or enhance an immune response to tumor-associated antigen CEA and specific frameshift-derived neoantigens in the study population. - to study the pathological and clinical responses, e.g. disease-free survival, determined according to the standard protocol. Study design: This study is a phase I/II open-label study. Study population: Two groups of adults will be vaccinated: Group I) CRC patients, who are known to carry a germline MMR-gene mutation and patients with an MSI-positive CRC and yet unknown or negative MMR-gene mutation status. Group II) persons who are known to be carrier of a germline MMR-gene mutation with no signs of disease yet. All participants need to be HLA-A2.1 positive.
Oct 31,2010
All
18 Years
75 Years
25

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