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Pembrolizumab With Ataluren in Patients With Metastatic pMMR and dMMR Colorectal Carcinoma or Metastatic dMMR Endometrial Carcinoma: the ATAPEMBRO Study — ATAPEMBRO  

Colorectal Cancer Clinical Trial

Official title:
Study of Pembrolizumab Combined With Ataluren In Patients With Metastatic pMMR and dMMR Colorectal Adenocarcinomas or Metastatic dMMR Endometrial Carcinoma: the ATAPEMBRO Study

Clinical Trial Summary

Single Center, open label, Phase I-II trial designed to test the safety and efficacy of the combination of Ataluren and Pembrolizumab for the treatment of metastatic mismatch repair deficient and proficient colorectal adenocarcinoma and metastatic mismatch repair deficient endometrial carcinoma.

Clinical Trial Description

In controlling tumor outgrowth an intact immune surveillance is very important. PD-1 receptor-ligand interaction is a major pathway hijacked by tumors to suppress this immune control. Pembrolizumab is a potent and highly selective humanized monoclonal antibody designed to directly block the interaction between PD-1 and its ligands and is registered for the treatment of advanced (unresectable or metastatic) melanoma of locally advanced or metastatic NSCLC in adults. In an earlier study it's effect has been shown in mismatch repair deficient tumors. Ataluren is designed to allow the protein making apparatus (the ribosome) in cells to skip over a premature stop codon (PTC), allowing the cells to translate the sequence downstream of a premature termination codon (PTC) in mRNA transcripts. This may result in the translation of additional out-of-frame code, which is available in abundance in dMMR tumors. We argue that this may result in new target peptides for the immune-system to recognize cancer cells. The investigators hypothesize that the formation of these peptides by Ataluren can enhance the effect of Pembrolizumab anti-PD1 therapy. Therefore the investigators designed a Single Center, open label, Phase I-II trial designed to test the safety and efficacy of the combination of Ataluren and Pembrolizumab for the treatment of metastatic mismatch repair deficient and proficient colorectal adenocarcinoma and metastatic mismatch repair deficient endometrial carcinoma. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04014530
Study type Interventional
Source Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Contact Adriaan D Bins, MD PhD
Phone 0031205662339
Email adbins@amc.uva.nl
Status Recruiting
Phase Phase 1/Phase 2
Start date August 1, 2019
Completion date August 1, 2023
View Details
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