Sutimlimab provides clinically meaningful improvements in patient‐reported outcomes in patients with cold agglutinin disease: Results from the randomised, placebo‐controlled, Phase 3 <scp>CADENZA</scp> study

  • Alexander Röth
    Department of Hematology and Stem Cell Transplantation, West German Cancer Center, University Hospital Essen University of Duisburg‐Essen Essen Germany
  • Catherine M. Broome
    Division of Hematology MedStar Georgetown University Hospital Washington, DC USA
  • Wilma Barcellini
    Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
  • Bernd Jilma
    Department of Clinical Pharmacology Medical University of Vienna Vienna Austria
  • Quentin A. Hill
    Department of Clinical Haematology Leeds Teaching Hospitals NHS Trust Leeds UK
  • David Cella
    Department of Medical Social Sciences, Center for Patient‐Centered Outcomes, Institute for Public Health and Medicine, Feinberg School of Medicine Northwestern University Chicago Illinois USA
  • Tor Henrik Anderson Tvedt
    Section for Hematology, Department of Medicine Haukeland University Hospital Bergen Norway
  • Masaki Yamaguchi
    Department of Hematology Ishikawa Prefectural Central Hospital Kanazawa Japan
  • Michelle Lee
    Sanofi Cambridge Massachusetts USA
  • Frank Shafer
    Sanofi Cambridge Massachusetts USA
  • Marek Wardęcki
    Sanofi Warsaw Poland
  • Xiaoyu Jiang
    Sanofi Cambridge Massachusetts USA
  • Parija Patel
    Sanofi Cambridge Massachusetts USA
  • Florence Joly
    Sanofi Chilly‐Mazarin France
  • Ilene C. Weitz
    Jane Anne Nohl Division of Hematology Keck‐USC School of Medicine Los Angeles California USA

抄録

<jats:title>Abstract</jats:title><jats:p>Cold agglutinin disease (CAD) is a rare chronic autoimmune haemolytic anaemia, driven mainly by classical complement pathway activation, leading to profound fatigue and poor quality of life. In the Phase 3 CADENZA trial, sutimlimab—a C1s complement inhibitor—rapidly halted haemolysis, increased haemoglobin levels and improved fatigue versus placebo in patients with CAD without a recent history of transfusion. Patient‐reported outcomes (PROs) included Functional Assessment of Chronic Illness Therapy–Fatigue (FACIT‐Fatigue), 12‐Item Short Form Health Survey (SF‐12), EuroQol visual analogue scale (EQ‐VAS), Patient Global Impression of Change (PGIC) and Patient Global Impression of (fatigue) Severity (PGIS). Sutimlimab resulted in significant rapid and meaningful improvements versus placebo in PROs. From Week 1, the FACIT‐Fatigue mean score increased >5 points above baseline (considered a clinically important change [CIC]). Least‐squares (LS) mean change in FACIT‐Fatigue score from baseline to treatment assessment timepoint was 10.8 vs. 1.9 points (sutimlimab vs. placebo; <jats:italic>p</jats:italic> < 0.001). Improvements in physical (PCS) and mental (MCS) component scores of the SF‐12 were also considered CICs (LS mean changes from baseline to Week 26: PCS 5.54 vs. 1.57 [<jats:italic>p</jats:italic> = 0.064]; MCS 5.65 vs. –0.48 [<jats:italic>p</jats:italic> = 0.065]). These findings demonstrate that in addition to improving haematologic parameters, sutimlimab treatment demonstrates significant patient‐reported benefits. Study registered at <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://www.clinicaltrials.gov">www.clinicaltrials.gov</jats:ext-link>: NCT03347422.</jats:p>

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