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      K-679: Ein neuartiges, mit Antikörpern beladenes Unimicelle-Konjugat zeigt Tumor-selektive Pharmakokinetik, weitreichende intratumorale Verteilung und überlegene Wirksamkeit in nicht-klinischen Tiermodellen

      Kowa Company, Ltd.

      News provided by

      Kowa Company Ltd.

      Apr 06, 2026, 04:00 ET

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      NAGOYA, Japan, 6. April 2026 /PRNewswire/ -- Kowa Company, Ltd. (Hauptsitz: Nagoya, Präfektur Aichi, Japan), kündigte heute die bevorstehende Präsentation nicht-klinischer Daten für K-679 an, sein neuartiges, mit Antikörpern beladenes, unimizelluläres Konjugat (ADUC) mit einer noch nie dagewesenen Wirkstoffbeladungskapazität. Der Wirkstoff, der mit Kowas firmeneigener Mizellentechnologie entwickelt wurde, hat eine tumorselektive Pharmakokinetik, eine umfassende intratumorale Verteilung und eine überlegene Wirksamkeit bei EGFR-exprimierenden soliden Tumoren im Vergleich zu herkömmlichen Antikörper-Wirkstoff-Konjugaten (ADCs) gezeigt. Die Daten werden auf der Jahrestagung 2026 der American Association for Cancer Research (AACR) vorgestellt, die vom 17. bis 22. April 2026 in San Diego, Kalifornien, stattfindet.

      Details zur Präsentation
      Titel der Präsentation: Selektive intratumorale Verteilung und Post-T-DXd-Aktivität von K-679, einem gegen den EGFR gerichteten Antikörper mit ultrahohem DAR-Wert, der mit einem unimizellaren Konjugat (ADUC) beladen ist
      Session Title: Antikörpertechnologien und -plattformen 2
      Datum und Uhrzeit der Präsentation: 21. April 2026, 9:00 - 12:00 Uhr CST (10:00 - 13:00 Uhr ET)
      Poster-Nummer: 4396
      Moderatorin: Hideo Yoshida

      Die Zusammenfassung des Vortrags finden Sie unter  AACR Annual Meeting 2026 Itinerary Planner | Presentation

      Weitere Informationen über die AACR-Jahrestagung 2026 finden Sie auf der Veranstaltungswebsite unter dem folgenden Link: AACR-Jahrestagung 2026 | Tagungen | AACR

      Über K-679
      K-679 ist ein mit Antikörpern beladenes Unimicelle-Konjugat (ADUC), ein neuartiger ADC-Typ, der auf Kowas patentrechtlich geschützter Mizellentechnologie beruht und sich derzeit in der nichtklinischen Entwicklung befindet. Das Konjugat kombiniert einen Anti-EGFR-Antikörper mit arzneimittelbeladenen Unimicellen (DM1), die erhebliche Mengen von Nutzlasten in ein einkettiges Polymer einbauen. Mit diesem innovativen Ansatz wird ein extrem hohes DAR-Verhältnis (Drug-to-Antibody Ratio) von etwa 45 DM1-Molekülen pro Antikörper erreicht, was deutlich höher ist als bei herkömmlichen ADCs.

      In nicht-klinischen Studien hat K-679 im Vergleich zu einem Antikörper-Wirkstoff-Konjugat (ADC) eine tumorselektive Pharmakokinetik, eine umfassende intratumorale Verteilung und übereinstimmende räumliche pharmakodynamische Effekte in Xenograft-Modellen gezeigt. K-679 zeigte auch Anti-Tumor-Aktivität in kolorektalen, von Patienten stammenden Xenograft-Modellen (PDX) mit geringer und heterogener Expression des epidermalen Wachstumsfaktor-Rezeptors (EGFR).

      Medienkontakt:
      Ian Mehr
      Kowa Research Institute, Inc.
      919-433-1600
      [email protected]

      Logo - https://mma.prnewswire.com/media/320297/kowa_research_institute_inc_logo.jpg

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