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Völker LA, Kaufeld J, Balduin G, Merkel L, Kühne L, Eichenauer DA, Osterholt T, Hägele H, Kann M, Grundmann F, Kolbrink B, Schulte K, Gäckler A, Kribben A, Boss K, Potthoff SA, Rump LC, Schmidt T, Mühlfeld AS, Schulmann K, Hermann M, Gaedeke J, Sauerland K, Bramstedt J, Hinkel UP, Miesbach W, Bauer F, Westhoff TH, Bruck H, Buxhofer-Ausch V, Müller TJ, Wendt R, Harth A, Schreiber A, Seelow E, Tölle M, Gohlisch C, Bieringer M, Geuther G, Jabs WJ, Fischereder M, von Bergwelt-Baildon A, Schönermarck U, Knoebl P, Menne J, Brinkkoetter PT. Impact of first-line use of caplacizumab on treatment outcomes in immune thrombotic thrombocytopenic purpura. J Thromb Haemost 2023; 21:559-572. [PMID: 36696206 DOI: 10.1016/j.jtha.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/14/2022] [Accepted: 11/23/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND The von Willebrand factor-directed nanobody caplacizumab has greatly changed the treatment of immune thrombotic thrombocytopenic purpura (iTTP) in recent years. Data from randomized controlled trials established efficacy and safety. OBJECTIVES This study aims to address open questions regarding patient selection, tailoring of therapy duration, obstacles in prescribing caplacizumab in iTTP, effect on adjunct treatment, and outcomes in the real-world setting. METHODS We report retrospective, observational cohorts of 113 iTTP episodes treated with caplacizumab and 119 historical control episodes treated without caplacizumab. We aggregated data from the caplacizumab phase II/III trials and real-world data from France, the United Kingdom, Germany, and Austria (846 episodes, 396 treated with caplacizumab, and 450 historical controls). RESULTS Caplacizumab was efficacious in iTTP, independent of the timing of therapy initiation, but curtailed the time of active iTTP only when used in the first-line therapy within 72 hours after diagnosis and until at least partial ADAMTS13-activity remission. Aggregated data from multiple study populations showed that caplacizumab use resulted in significant absolute risk reduction of 2.87% for iTTP-related mortality (number needed to treat 35) and a relative risk reduction of 59%. CONCLUSION Caplacizumab should be used in first line and until ADAMTS13-remission, lowers iTTP-related mortality and refractoriness, and decreases the number of daily plasma exchange and hospital stay. This trial is registered at www. CLINICALTRIALS gov as #NCT04985318.
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Affiliation(s)
- Linus A Völker
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Cologne Cluster of Excellence on Cellular Stress Responses in Ageing-Associated Diseases, Cologne, Germany
| | - Jessica Kaufeld
- Department of Nephrology and Hypertension, Medical School Hannover, Hannover, Germany
| | - Gesa Balduin
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Lena Merkel
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Lucas Kühne
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Dennis A Eichenauer
- First Department of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf, University of Cologne, Cologne, Germany
| | - Thomas Osterholt
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Holger Hägele
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Martin Kann
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Cologne Cluster of Excellence on Cellular Stress Responses in Ageing-Associated Diseases, Cologne, Germany
| | - Franziska Grundmann
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Benedikt Kolbrink
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Kevin Schulte
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, Kiel, Germany
| | - Anja Gäckler
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Andreas Kribben
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Kristina Boss
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Sebastian A Potthoff
- University Hospital Düsseldorf, Department of Nephrology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany, Germany
| | - Lars C Rump
- University Hospital Düsseldorf, Department of Nephrology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany, Germany
| | - Tilman Schmidt
- Department of Medicine, University Medical Center Hamburg-Eppendorf, Germany
| | - Anja S Mühlfeld
- Uniklinik RWTH Aachen, Department of Medicine, Division of Nephrology, Aachen, Germany
| | - Karsten Schulmann
- Klinik für Hämatologie, Onkologie Palliativmedizin und Stammzelltransplantation, Klinikum Hochsauerland GmbH, Walburga Krankenhaus Meschede, Meschede, Germany; MVZ Hochsauerland GmbH, Praxis für Hämatologie und Onkologie, Arnsberg, Germany
| | - Matthias Hermann
- Medizinische Klinik V, Hämatologie/Onkologie, Sozialstiftung Bamberg, Klinikum am Bruderwald, Bamberg
| | - Jens Gaedeke
- Department of Nephrology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Kristin Sauerland
- Klinik für Innere Medizin, Hämatologie/Onkologie, Stammzelltransplantation und Palliativmedizin, Johannesstift, Bielefeld, Germany
| | - Jörn Bramstedt
- Medizinische Klinik II Sektion Nephrologie, Klinikum Bremerhaven Reinkenheide, Bremerhaven, Germany
| | - Ulrich P Hinkel
- Klinik für Nephrologie, Zentralklinik Bad Berka GmbH, Bad Berka, Germany
| | - Wolfgang Miesbach
- Department of Hemostaseology-Hemophilia Center, University Hospital Frankfurt, Frankfurt, Germany
| | - Frederic Bauer
- Medical Department I, Marien Hospital Herne, Ruhr-University Bochum, Germany
| | - Timm H Westhoff
- Medical Department I, Marien Hospital Herne, Ruhr-University Bochum, Germany
| | - Heike Bruck
- Medical Clinic III, Helios Hospital Krefeld, Krefeld, Germany
| | - Veronika Buxhofer-Ausch
- Department of Internal Medicine I with Hematology, Stem Cell Transplantation, Hemostaseology and Medical Oncology, Ordensklinikum Linz Elisabethinen, Linz, Austria; Medical Faculty, Johannes Kepler University Linz, Linz, Austria
| | - Tobias J Müller
- Department of Neurology, University Hospital Ruppin-Brandenburg, Brandenburg Medical School, Neuruppin, Germany
| | - Ralph Wendt
- Department of Infectious Diseases/Tropical Medicine, Nephrology/KfH Renal Unit and Rheumatology, St. Georg Hospital Leipzig, Germany
| | - Ana Harth
- Department of Nephrology, Transplantation, and Medical Intensive Care, University Witten/Herdecke, Medical Centre Cologne-Merheim, Cologne, Germany
| | - Adrian Schreiber
- Department of Nephrology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center, Charité, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Evelyn Seelow
- Department of Nephrology and Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany; Experimental and Clinical Research Center, Charité, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Markus Tölle
- Charité-Universitätsmedizin Berlin, Cooperate Member of Freie Universität and Humboldt Universität, Department of Nephrology and Medical Intensive Care, Berlin, Germany
| | - Christopher Gohlisch
- Charité-Universitätsmedizin Berlin, Cooperate Member of Freie Universität and Humboldt Universität, Department of Nephrology and Medical Intensive Care, Berlin, Germany
| | - Markus Bieringer
- Department of Cardiology and Nephrology, Helios Klinik Berlin-Buch, Berlin, Germany
| | - Gesa Geuther
- Nordbadpraxis München-Praxis für Innere Medizin, Schwerpunktpraxis für Hämatologie, Onkologie, HIV und Palliativmedizin, München, Germany
| | - Wolfram J Jabs
- Department of Nephrology, Vivantes Klinikum im Friedrichshain, Berlin, Germany
| | - Michael Fischereder
- Nephrology Division, Department of Medicine IV, University Hospital, LMU Munich, Munich, Germany
| | | | - Ulf Schönermarck
- Nephrology Division, Department of Medicine IV, University Hospital, LMU Munich, Munich, Germany
| | - Paul Knoebl
- Division of Hematology and Hemostasis, Department of Medicine 1, Medical University of Vienna, Vienna, Austria
| | - Jan Menne
- KRH Klinikum Mitte-Location Siloah, Hannover, Germany
| | - Paul T Brinkkoetter
- Department II of Internal Medicine and Center for Molecular Medicine Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Cologne Cluster of Excellence on Cellular Stress Responses in Ageing-Associated Diseases, Cologne, Germany.
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