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  • 19-08-2025

    Advice Explanation of the COGEM formula for calcu­lating free lentiviral or gammaretroviral vector particles after ex vivo transduction

    In biomedical or clinical research, cells are often genetically modified using lentiv...

    Advisory reports
    CGM/250819-01 View more
  • 20-05-2025

    Advice Reassessment of the threshold values for the presence of free lentiviral and retroviral vector particles in clinical trials with ex vivo transduced cells

    In certain gene therapies, cells from the patient are genetically altered outside the...

    Advisory reports
    CGM/250520-01 View more
  • 31-01-2023

    Detection of replication competent virus formation during production and use of lenti- and gammaretroviral vectors

    COGEM commissioned research on the tests and methods that can be used to demonstrate ...

    Research reports
    CGM 2023-01 View more
  • 31-01-2023

    Research project on detection methods for replication-competent lentiviral and retroviral vectors

    Biomedical, genetic, and clinical research is often carried out with replication-defi...

    Advisory letters
    CGM/230131-01 View more