{
  "abstract": "Objectives Background: Belimumab (BLM) is a monoclonal antibody that inhibits B-lymphocyte stimulating factor (BlyS), approved in 2011 as a treatment for systemic lupus erythematosus (SLE). We present the experience with BLM in monotherapy in this spanish cohort.Objectives To describe demographic characteristics, effectiveness and safety of BLM after biological disease-modifying antirheumatic drugs (bDMARD) since its approval in SLE and compare them with SLE patients without being treated with bDMARD.Methods Descriptive, retrospective, multicenter study in patients diagnosed with SLE according to EULAR/ACR 2019, SLICC and/or ACR 1997 diagnostic criteria treated with BLM after bDMARD. Data were collected from medical records of SLE patients treated with BLM since 2011.Results Ninety-seven patients received BLM after bDMARD. The main bDMARD use before BLM was rituximab in the 85.3% of patients. Baseline characteristics are summarized in table 1. Of the 97 patients with previous bDMARD treatment, 61.9%, 75.9%, 76.9% and 69.6% showed hematological, renal, joint and cutaneous improvement, respectively. A total of 42 patients (43.3%) discontinued treatment, of which 54.8% was due to ineffectiveness. BLM after bDMARD patients seemed to be a more difficult to treat patients since they started BLM later, had more antiphospholipid syndrome and used more cDMARD and cyclophosphamide. In overall bDMARD patients had a worse BLM survival comparing with those BLM patients used as the first bDMARD. No new safety serious adverse events related with BLM were reported.Abstract PO:12:317 Table 1Descriptive data of patients according to BLM after bDMARDConclusions In this registry BLM after bDMARD is effective but had a worse survival than BLM used as the first bDMARD in SLE patients.",
  "authors": [
    {
      "affiliations": [
        "Hospital Universitario de Navarra, Pamplona, Spain"
      ],
      "name": "Vicente Aldasoro"
    },
    {
      "affiliations": [
        "Hospital Universitario de Navarra, Pamplona, Spain"
      ],
      "name": "María Laíño"
    },
    {
      "affiliations": [
        "Navarrabiomed/Unidad de Metodología, Pamplona, Spain"
      ],
      "name": "Mónica Enguita"
    },
    {
      "affiliations": [
        "Hospital Universitario Marqués de Valdecilla, Santander, Spain"
      ],
      "name": "Javier Loricera"
    },
    {
      "affiliations": [
        "Complejo Asistencial Universitario de León, León, Spain"
      ],
      "name": "Clara Moriano"
    },
    {
      "affiliations": [
        "Hospital Universitario Marqués de Valdecilla, Santander, Spain"
      ],
      "name": "Carmen Lasa"
    },
    {
      "affiliations": [
        "Hospital Universitario Marqués de Valdecilla, Santander, Spain"
      ],
      "name": "Vanesa Calvo"
    },
    {
      "affiliations": [
        "Hospital Universitario de Bellvitge, L’Hospitalet de Llobregat, Spain"
      ],
      "name": "Javier Narváez"
    },
    {
      "affiliations": [
        "Hospital Universitario Basurto, Bilbao, Spain"
      ],
      "name": "Juan Blanco"
    },
    {
      "affiliations": [
        "Hospital Universitario Santa Cristina, Madrid, Spain"
      ],
      "name": "Blanca Varas"
    },
    {
      "affiliations": [
        "Hospital Universitario Ramón y Cajal, Madrid, Spain"
      ],
      "name": "José Ramón Lamúa"
    },
    {
      "affiliations": [
        "Hospital General Universitario de Ciudad Real, Ciudad Real, Spain"
      ],
      "name": "Marcos Paulino"
    },
    {
      "affiliations": [
        "Hospital Universitario Infanta Leonor, Madrid, Spain"
      ],
      "name": "María Ángeles Matías"
    },
    {
      "affiliations": [
        "Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain"
      ],
      "name": "Cilia Peralta"
    },
    {
      "affiliations": [
        "Hospital Parc Taulí, Sabadell, Spain"
      ],
      "name": "Silvia García"
    },
    {
      "affiliations": [
        "Hospital General de Granollers, Granollers, Spain"
      ],
      "name": "Jordi Camins"
    },
    {
      "affiliations": [
        "Hospital Universitario de Navarra, Pamplona, Spain"
      ],
      "name": "Miguel Medina"
    },
    {
      "affiliations": [
        "Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain"
      ],
      "name": "Eva Pérez"
    },
    {
      "affiliations": [
        "Hospital Universitario Miguel Servet, Zaragoza, Spain"
      ],
      "name": "Carlos Vázquez"
    },
    {
      "affiliations": [
        "Hospital Universitario Hospiten Tenerife, Tenerife, Spain"
      ],
      "name": "Jerónimo Balsalobre"
    },
    {
      "affiliations": [
        "Hospital de Galdakao-Usansolo, Galdakao, Spain"
      ],
      "name": "Nuria Vegas"
    },
    {
      "affiliations": [
        "Hospital Royo Villanova, Zaragoza, Spain"
      ],
      "name": "Emilio Giner"
    }
  ],
  "title": "PO:12:317 Is belimumab effective after biological disease-modifying antirheumatic drugs? A subanalysis of the spanish national registry of belimumab in systemic lupus erythematosus",
  "uid": "f08ad552-f32a-51b0-ae12-bb1fe2f24b84"
}