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Robak, Tadeusz; Windyga, Jerzy; Trelinski, Jacek; von Depka Prondzinski, Mario; Giagounidis, Aristoteles; Doyen, Chantal; Janssens, Ann; Álvarez-Román, María Teresa; Jarque, Isidro; Loscertales, Javier; Rus, Gloria Pérez; Hellmann, Andrzej; Jêdrzejczak, Wiesław Wiktor; Kuliczkowski, Kazimierz; Golubovic, Lana M.; Celeketic, Dusica; Cucuianu, Andrei; Gheorghita, Emanuil; Lazaroiu, Mihaela; Shpilberg, Ofer; Attias, Dina; Karyagina, Elena; Svetlana, Kalinina; Vilchevska, Kateryna; [...]

Rozrolimupab, a mixture of 25 recombinant human monoclonal RhD antibodies, in the treatment of primary immune thrombocytopenia

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  • Media type: E-Article
  • Title: Rozrolimupab, a mixture of 25 recombinant human monoclonal RhD antibodies, in the treatment of primary immune thrombocytopenia
  • Contributor: Robak, Tadeusz; Windyga, Jerzy; Trelinski, Jacek; von Depka Prondzinski, Mario; Giagounidis, Aristoteles; Doyen, Chantal; Janssens, Ann; Álvarez-Román, María Teresa; Jarque, Isidro; Loscertales, Javier; Rus, Gloria Pérez; Hellmann, Andrzej; Jêdrzejczak, Wiesław Wiktor; Kuliczkowski, Kazimierz; Golubovic, Lana M.; Celeketic, Dusica; Cucuianu, Andrei; Gheorghita, Emanuil; Lazaroiu, Mihaela; Shpilberg, Ofer; Attias, Dina; Karyagina, Elena; Svetlana, Kalinina; Vilchevska, Kateryna; [...]
  • Published: American Society of Hematology, 2012
  • Published in: Blood, 120 (2012) 18, Seite 3670-3676
  • Language: English
  • DOI: 10.1182/blood-2012-06-438804
  • ISSN: 0006-4971; 1528-0020
  • Keywords: Cell Biology ; Hematology ; Immunology ; Biochemistry
  • Origination:
  • Footnote:
  • Description: <jats:title>Abstract</jats:title> <jats:p>Rozrolimupab, a recombinant mixture of 25 fully human RhD-specific monoclonal antibodies, represents a new class of recombinant human antibody mixtures. In a phase 1 or 2 dose escalation study, RhD+ patients (61 subjects) with primary immune thrombocytopenia received a single intravenous dose of rozrolimupab ranging from 75 to 300 μg/kg. The primary outcome was the occurrence of adverse events. The principal secondary outcome was the effect on platelet levels 7 days after the treatment. The most common adverse events were headache and pyrexia, mostly mild, and reported in 20% and 13% of the patients, respectively, without dose relationship. Rozrolimupab caused an expected transient reduction of hemoglobin concentration in the majority of the patients. At the dose of 300 μg/kg platelet responses, defined as platelet count ≥ 30 × 109/L and an increase in platelet count by &gt; 20 × 109/L from baseline were observed after 72 hours and persisted for at least 7 days in 8 of 13 patients (62%). Platelet responses were observed within 24 hours in 23% of patients and lasted for a median of 14 days. Rozrolimupab was well tolerated and elicited rapid platelet responses in patients with immune thrombocytopenia and may be a useful alternative to plasma-derived products. This trial is registered at www.clinicaltrials.gov as #NCT00718692.</jats:p>
  • Access State: Open Access