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Inicio Vacunas (English Edition) CHECKvacc (HOV3, CF33-hNIS-anti-PD-L1), the next medical revolution against canc...
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Vol. 24. Issue 4.
Pages 358-363 (October - December 2023)
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Vol. 24. Issue 4.
Pages 358-363 (October - December 2023)
Review article
CHECKvacc (HOV3, CF33-hNIS-anti-PD-L1), the next medical revolution against cancer
CHECKvacc (HOV3, CF33-hNIS-anti-PD-L1), la siguiente revolución médica contra el cáncer
Ali Adel Dawood
Corresponding author
aad@uomosul.edu.iq

Corresponding author.
Dept. of Medical Biology, College of Medicine, University of Mosul, Mosul, Iraq
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Abstract

Despite advances in modern treatment, many cancers have evolved to bypass the immune system. The immune system either cannot perceive the tumor as foreign or the immune response is hindered. Oncolytic viruses are designed to infect and kill cancer cells. A huge variety of oncolytic viruses have been produced and tested over the last 30 years. The presence of 9 different virus strains in the cells (mouse) at the same time allowed the genes from the different strains to be rearranged via homologous recombination to generate unique chimeric daughter viruses. CHECKvacc is a genetically engineered oncolytic virus (CF33) that is equipped with the human sodium iodide symporter (hNIS) and an anti-PD-L1 antibody. The novel modified viruses will be examined as a monotherapy or in combination with pembrolizumab to determine the safety and efficacy of the treatment regimens. The first patient was dosed in a phase 1 clinical trial to assess the treatment's safety in people with advanced solid tumors. The medicine will be administered either directly into the tumors or intravenously.

Keywords:
CF33
Oncolytic virus
CHECKvacc
Tumor
pembrolizumab
Resumen

A pesar de los avances del tratamiento moderno, muchos cánceres han evolucionado para sortear al sistema inmunitario. Dicho sistema inmunitario no puede percibir el tumor como algo exterior, o bien se obstaculiza la respuesta inmunológica. Los virus oncolíticos están diseñados para infectar y matar a las células cancerígenas. A lo largo de los últimos 30 años se han producido y probado una gran variedad de virus oncolíticos. La presencia de 9 cepas diferentes de virus en las células (de ratón) al mismo tiempo ha permitido que los genes de diferentes cepas se reorganicen a través de una recombinación homóloga, para generar virus hijos quiméricos únicos. CHECKvacc es un virus oncolítico genéticamente diseñado (CF33) que está equipado con el simportador de yoduro de sodio humano (hNIS) y un anticuerpo anti-PD-L1. Los virus modificados noveles serán examinados como monoterapia, o en combinación con pembrolizumab, para determinar la seguridad y eficacia de los regímenes terapéuticos. Al primer paciente se le administró en un ensayo clínico de fase 1 para evaluar la seguridad del tratamiento en personas con tumores sólidos avanzados. El medicamento será administrado bien directamente al interior de los tumores, o por vía intravenosa.

Palabras clave:
CF33
Virus oncolítico
CHECKvacc
Tumor
Pembrolizumab

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