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Genmab — Juli 2018

Planlagt Fastgjort Låst Flyttet Genmab
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Denne tråd er blevet slettet. Kun brugere med emne behandlings privilegier kan se den.
  • G Offline
    G Offline
    gentogen
    wrote on sidst redigeret af
    #959

    To model how CD38-blocking strategies might be translated into the clinic for patients
    with disease refractory to anti-PD-1/PD-L1, we tested sequential treatment after the
    development of resistance to anti-PD-L1 by treating animals with anti-CD38 antibody
    alone.

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    • G Offline
      G Offline
      gentogen
      wrote on sidst redigeret af
      #960

      We observed a substantial inhibition of tumor growth with an associated
      enhancement of the effector CD8+
      and CD4+
      T cell responses and blunting of the
      suppressor CD4+
      T regulatory and MDSC populations, highlighting that CD38 is an
      independent factor in treatment-induced resistance

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      • G Offline
        G Offline
        gentogen
        wrote on sidst redigeret af
        #961

        Kildeangivelse: Downloaded from cancerdiscovery.aacrjournals.org on July 21, 2018. © 2018 American Association for Cancer Research

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        • G Offline
          G Offline
          gentogen
          wrote on sidst redigeret af
          #962

          jf tidligere link

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          • G Offline
            G Offline
            gentogen
            wrote on sidst redigeret af
            #963

            Jeg er ikke ekspert nok til at tænke så meget, men det lyder meget overbevisende....så jeg bliver bestemt ikke overrasket, hvis studier fortsætter

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            • BulderB Offline
              BulderB Offline
              Bulder
              wrote on sidst redigeret af
              #964

              Men det forklarer stadig ikke hvorfor kontrolgruppen i dara-atezo s
              tudiet klarede sig lige så godt som eksp. gruppen

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              • BulderB Offline
                BulderB Offline
                Bulder
                wrote on sidst redigeret af
                #965

                ... og hvori safety problemet bestod.

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                • M Offline
                  M Offline
                  Mcjean
                  wrote on sidst redigeret af
                  #966

                  Hvem siger der var et safety problem Bulder? 😉

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                  • BulderB Offline
                    BulderB Offline
                    Bulder
                    wrote on sidst redigeret af
                    #967

                    In addition to the lack of benefit, the DMC noted a numerical increase in mortality-related events in the combination arm.

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                    • Legolas23L Offline
                      Legolas23L Offline
                      Legolas23
                      wrote on sidst redigeret af
                      #968

                      Ja, man frøs/stoppede pga for mange dødsfald, også ville man undersøge grunden bag. Et dicideret stop har jeg ikke hørt. Andre forsøg med tecentric er også stoppet, så der sker noget i kombien,man lige skal have styr på.

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                      • G Offline
                        G Offline
                        gentogen
                        wrote on sidst redigeret af
                        #969

                        Jeg er med på safetyproblemet, men konklusionen er stadigvæk, at "The mechanism of immune resistance to anti-PDL1/PD-1
                        therapy caused by CD38 provides an evident rationale for recruitment of
                        cancer patients for clinical trials of anti-CD38 in combination with anti-PD-L1/PD-1 to
                        prevent therapy resistance and further enhance anti-tumor efficacy."

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                        • G Offline
                          G Offline
                          gentogen
                          wrote on sidst redigeret af
                          #970

                          De finder også, at "CD38-mediated
                          resistance could occur in a broad variety of cancer types"

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                          • SolsenS Offline
                            SolsenS Offline
                            Solsen
                            wrote on sidst redigeret af
                            #971

                            Der foreligge jo en teori om, at det er et trdie stof der skaber problemerne og at det er protokollen, der fejlede. Lad os se om ikke vi snart kunne se noget fra nivolumab forsøgene.

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                            • G Offline
                              G Offline
                              gentogen
                              wrote on sidst redigeret af
                              #972

                              The emerging
                              evidence suggests a multi-faceted immunosuppressive role for CD38 in regulating
                              tumor immune microenvironment.

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                              • G Offline
                                G Offline
                                gentogen
                                wrote on sidst redigeret af
                                #973

                                Men som de siger "many questions about how
                                best to incorporate CD38 into immunotherapy strategies will need to be studied in
                                prospective clinical trials of CD38 blockade!

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                                • G Offline
                                  G Offline
                                  gentogen
                                  wrote on sidst redigeret af
                                  #974

                                  Nu er jeg alt andet end ekspert, meh hæfede mig lidt ved sætningen fra tidligere citat, at "CD38 can be used in combination or in a sequential manner". Det sidste blev vel ikke afprøvet i det afbrudte studie

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                                  • SolsenS Offline
                                    SolsenS Offline
                                    Solsen
                                    wrote on sidst redigeret af
                                    #975

                                    Netop det med sekvensbrug er interessant. Det er jo også det der bliver prøvet i de forsøg i bl.a. prostata - behandling inden operation.

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                                    • SolsenS Offline
                                      SolsenS Offline
                                      Solsen
                                      wrote on sidst redigeret af
                                      #976

                                      "Restore the immunesystem" forinden operation eller anden behandling.

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                                      0
                                      • BulderB Offline
                                        BulderB Offline
                                        Bulder
                                        wrote on sidst redigeret af
                                        #977

                                        Der vil nok blive spurgt ind til det ved næste CC. Og så må vi se om Winkel har noget nyt. Det kan jo godt være at cd38 antistoffet ikke skal indgives samtidig med PD-(L)1 blokkeren.

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                                        • BulderB Offline
                                          BulderB Offline
                                          Bulder
                                          wrote on sidst redigeret af
                                          #978

                                          Måske er Limo Chens artikel ny, men så vidt jeg kan vurdere er der ikke noget nyt i det han siger. Bortset fra at han måske virker endnu mere sikker i sin sag.

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