Post Hoc Analysis of the Effect of Pegcetacoplan Treatment of Patients with Paroxysmal Nocturnal Hemoglobinuria and Baseline Hemoglobin Levels Greater Than 10 Grams per Deciliter

Panse, Jens;Daguindau, Nicolas;Okuyama Sasaki, Sonia;Peffault De Latour, Regis;Wong, Raymond S;et.al.
(2021)

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Authors
  • Panse, Jens
    Author
  • Daguindau, Nicolas
    Author
  • Okuyama Sasaki, Sonia
    Author
  • Peffault De Latour, Regis
    Author
  • Straetmans, NicoleUCLouvain
    Author
  • Wong, Raymond S
    Author
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Abstract
Background: Paroxysmal nocturnal hemoglobinuria (PNH) is a rare, potentially life-threatening hematologic disease characterized by various degrees of hemolysis, bone marrow failure, and thrombophilia. Pegcetacoplan (PEG), a C3 complement-inhibitor approved by the FDA for treatment of adults with PNH, has demonstrated improved hemoglobin (Hb) levels for PNH patients with screening Hb levels <10.5 g/dL and prior suboptimal response to eculizumab (ECU; C5-inhibitor) (Hillmen P, et al., N Engl J Med, 2021 384 (11):1028-1037) or complement-inhibitor naïve PNH patients (Wong RS, et al., Blood, 2020 136 [Supplement 1]). While these studies have demonstrated positive results for patients with lower baseline Hb levels, the efficacy and safety of PEG in PNH patients with baseline Hb ≥10.0 g/dL has not been evaluated.
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Citations

Panse, J., Daguindau, N., Okuyama Sasaki, S., Peffault De Latour, R., Schafhausen, P., Straetmans, N., Al-Adhami, M., Ajayi, T., Chen, C., Yeh, M., & Wong, R. S. (2021). Post Hoc Analysis of the Effect of Pegcetacoplan Treatment of Patients with Paroxysmal Nocturnal Hemoglobinuria and Baseline Hemoglobin Levels Greater Than 10 Grams per Deciliter. Blood, 138(Supplement 1), 2194. https://doi.org/10.1182/blood-2021-146962 (Original work published 2021)