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Verfasst von:Klümper, Niklas [VerfasserIn]   i
 Ralser, Damian J. [VerfasserIn]   i
 Ellinger, Jörg [VerfasserIn]   i
 Roghmann, Florian [VerfasserIn]   i
 Albrecht, Julia [VerfasserIn]   i
 Below, Eduard [VerfasserIn]   i
 Alajati, Abdullah [VerfasserIn]   i
 Sikic, Danijel [VerfasserIn]   i
 Breyer, Johannes [VerfasserIn]   i
 Bolenz, Christian [VerfasserIn]   i
 Zengerling, Friedemann [VerfasserIn]   i
 Erben, Philipp [VerfasserIn]   i
 Schwamborn, Kristina [VerfasserIn]   i
 Wirtz, Ralph M. [VerfasserIn]   i
 Horn, Thomas [VerfasserIn]   i
 Nagy, Dora [VerfasserIn]   i
 Toma, Marieta [VerfasserIn]   i
 Kristiansen, Glen [VerfasserIn]   i
 Büttner, Thomas [VerfasserIn]   i
 Hahn, Oliver [VerfasserIn]   i
 Grünwald, Viktor [VerfasserIn]   i
 Darr, Christopher [VerfasserIn]   i
 Erne, Eva [VerfasserIn]   i
 Rausch, Steffen [VerfasserIn]   i
 Bedke, Jens [VerfasserIn]   i
 Schlack, Katrin [VerfasserIn]   i
 Abbas, Mahmoud [VerfasserIn]   i
 Zschäbitz, Stefanie [VerfasserIn]   i
 Schwab, Constantin [VerfasserIn]   i
 Mustea, Alexander [VerfasserIn]   i
 Adam, Patrick [VerfasserIn]   i
 Manseck, Andreas [VerfasserIn]   i
 Wullich, Bernd [VerfasserIn]   i
 Ritter, Manuel [VerfasserIn]   i
 Hartmann, Arndt [VerfasserIn]   i
 Gschwend, Jürgen [VerfasserIn]   i
 Weichert, Wilko [VerfasserIn]   i
 Erlmeier, Franziska [VerfasserIn]   i
 Hölzel, Michael [VerfasserIn]   i
 Eckstein, Markus [VerfasserIn]   i
Titel:Membranous NECTIN-4 expression frequently decreases during metastatic spread of urothelial carcinoma and is associated with Enfortumab vedotin resistance
Verf.angabe:Niklas Klümper, Damian J. Ralser, Jörg Ellinger, Florian Roghmann, Julia Albrecht, Eduard Below, Abdullah Alajati, Danijel Sikic, Johannes Breyer, Christian Bolenz, Friedemann Zengerling, Philipp Erben, Kristina Schwamborn, Ralph M. Wirtz, Thomas Horn, Dora Nagy, Marieta Toma, Glen Kristiansen, Thomas Büttner, Oliver Hahn, Viktor Grünwald, Christopher Darr, Eva Erne, Steffen Rausch, Jens Bedke, Katrin Schlack, Mahmoud Abbas, Stefanie Zschäbitz, Constantin Schwab, Alexander Mustea, Patrick Adam, Andreas Manseck, Bernd Wullich, Manuel Ritter, Arndt Hartmann, Jürgen Gschwend, Wilko Weichert, Franziska Erlmeier, Michael Hölzel, and Markus Eckstein
E-Jahr:2023
Jahr:15 April 2023
Umfang:10 S.
Fussnoten:Gesehen am 26.06.2023
Titel Quelle:Enthalten in: Clinical cancer research
Ort Quelle:Philadelphia, Pa. [u.a.] : AACR, 1995
Jahr Quelle:2023
Band/Heft Quelle:29(2023), 8 vom: Apr., Seite 1496-1505
ISSN Quelle:1557-3265
Abstract:The antibody-drug conjugate enfortumab vedotin (EV) releases a cytotoxic agent into tumor cells via binding to the membrane receptor NECTIN-4. EV was recently approved for patients with metastatic urothelial carcinoma (mUC) without prior assessment of the tumor receptor status as ubiquitous NECTIN-4 expression is assumed. Our objective was to determine the prevalence of membranous NECTIN-4 protein expression in primary tumors (PRIM) and patient-matched distant metastases (MET).Membranous NECTIN-4 protein expression was measured (H-score) by IHC in PRIM and corresponding MET (N = 137) and in a multicenter EV-treated cohort (N = 47). Progression-free survival (PFS) after initiation of EV treatment was assessed for the NECTIN-4-negative/weak (H-score 0-99) versus moderate/strong (H-score 100-300) subgroup. The specificity of the NECTIN-4 IHC staining protocol was validated by establishing CRISPR-Cas9-induced polyclonal NECTIN-4 knockouts.In our cohort, membranous NECTIN-4 expression significantly decreased during metastatic spread (Wilcoxon matched pairs P < 0.001; median H-score = 40; interquartile range, 0-140), with 39.4% of MET lacking membranous NECTIN-4 expression. In our multicenter EV cohort, absence or weak membranous NECTIN-4 expression (34.0% of the cohort) was associated with a significantly shortened PFS on EV (log-rank P < 0.001).Membranous NECTIN-4 expression is frequently decreased or absent in mUC tissue. Of note, the clinical benefit of EV strongly depends on membranous NECTIN-4 expression. Thus, our results are of highest clinical relevance and argue for a critical reconsideration of the current practice and suggest that the NECTIN-4 receptor status should be determined (ideally in a metastatic/progressive lesion) before initiation of EV.
DOI:doi:10.1158/1078-0432.CCR-22-1764
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1158/1078-0432.CCR-22-1764
 DOI: https://doi.org/10.1158/1078-0432.CCR-22-1764
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1850956790
Verknüpfungen:→ Zeitschrift

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