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Oliva EN, Riva M, Niscola P, Santini V, Breccia M, Giai V, Poloni A, Patriarca A, Crisà E, Capodanno I, Salutari P, Reda G, Cascavilla N, Ferrero D, Guarini A, Tripepi G, Iannì G, Russo E, Castelli A, Fattizzo B, Beltrami G, Bocchia M, Molteni A, Fenaux P, Germing U, Ricco A, Palumbo GA, Impera S, Di Renzo N, Rivellini F, Buccisano F, Stamatoullas-Bastard A, Liberati AM, Candoni A, Delfino IM, Arcadi MT, Cufari P, Rizzo L, Bova I, D'Errigo MG, Zini G, Latagliata R. Eltrombopag for Low-Risk Myelodysplastic Syndromes With Thrombocytopenia: Interim Results of a Phase II, Randomized, Placebo-Controlled Clinical Trial (EQOL-MDS). J Clin Oncol 2023; 41:4486-4496. [PMID: 37294914 PMCID: PMC10552995 DOI: 10.1200/jco.22.02699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/16/2023] [Accepted: 05/01/2023] [Indexed: 06/11/2023] Open
Abstract
PURPOSE In myelodysplastic syndromes (MDS), severe thrombocytopenia is associated with poor prognosis. This multicenter trial presents the second-part long-term efficacy and safety results of eltrombopag in patients with low-risk MDS and severe thrombocytopenia. METHODS In this single-blind, randomized, placebo-controlled, phase-II trial of adult patients with International Prognostic Scoring System low- or intermediate-1-risk MDS, patients with a stable platelet (PLT) count (<30 × 103/mm3) received eltrombopag or placebo until disease progression. Primary end points were duration of PLT response (PLT-R; calculated from the time of PLT-R to date of loss of PLT-R, defined as bleeding/PLT count <30 × 103/mm3 or last date in observation) and long-term safety and tolerability. Secondary end points included incidence and severity of bleeding, PLT transfusions, quality of life, leukemia-free survival, progression-free survival, overall survival and pharmacokinetics. RESULTS From 2011 to 2021, of 325 patients screened, 169 patients were randomly assigned oral eltrombopag (N = 112) or placebo (N = 57) at a starting dose of 50 mg once daily to maximum of 300 mg. PLT-R, with 25-week follow-up (IQR, 14-68) occurred in 47/111 (42.3%) eltrombopag patients versus 6/54 (11.1%) in placebo (odds ratio, 5.9; 95% CI, 2.3 to 14.9; P < .001). In eltrombopag patients, 12/47 (25.5%) lost the PLT-R, with cumulative thrombocytopenia relapse-free survival at 60 months of 63.6% (95% CI, 46.0 to 81.2). Clinically significant bleeding (WHO bleeding score ≥ 2) occurred less frequently in the eltrombopag arm than in the placebo group (incidence rate ratio, 0.54; 95% CI, 0.38 to 0.75; P = .0002). Although no difference in the frequency of grade 1-2 adverse events (AEs) was observed, a higher proportion of eltrombopag patients experienced grade 3-4 AEs (χ2 = 9.5, P = .002). AML evolution and/or disease progression occurred in 17% (for both) of eltrombopag and placebo patients with no difference in survival times. CONCLUSION Eltrombopag was effective and relatively safe in low-risk MDS with severe thrombocytopenia. This trial is registered with ClinicalTrials.gov identifier: NCT02912208 and EU Clinical Trials Register: EudraCT No. 2010-022890-33.
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Affiliation(s)
- Esther Natalie Oliva
- U.O.C. Ematologia, Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Marta Riva
- Dipartimento di Ematologia, Ospedale Niguarda Ca' Granda, Milano, Italy
| | | | - Valeria Santini
- U.O. di Ematologia, Azienda Ospedaliera Universitaria Careggi, Firenze, Italy
| | - Massimo Breccia
- Dipartimento di Ematologia Policlinico Umberto I, Università La Sapienza, Roma, Italy
| | - Valentina Giai
- S.C. a Direzione Universitaria di Ematologia A.O., SS. Antonio e Biagio e Cesare Arrigo Alessandria, Alessandria, Italy
| | - Antonella Poloni
- Clinica di Ematologia Azienda Ospedaliera Universitaria—Ospedali Riuniti di Ancona, Ancona, Italy
| | | | - Elena Crisà
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Turin, Italy
| | - Isabella Capodanno
- U.O. di Ematologia, A.U.S.L.-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Prassede Salutari
- Dipartimento Oncologico-Ematologico, Ospedale Civile Spirito Santo, Pescara, Italy
| | - Gianluigi Reda
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Nicola Cascavilla
- U.O. Ematologia Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Dario Ferrero
- Dipartimento Biotecnologie Molecolari, Ematologia Universitaria A.O.U. Citta' della Salute e della Scienza di Torino, Turin, Italy
| | - Attilio Guarini
- U.O. Ematologia I.R.C.C.S. Istituto Tumori “Giovanni Paolo II”, Bari, Italy
| | - Giovanni Tripepi
- IFC-CNR Institute of Clinical Physiology, Reggio Calabria, Italy
| | | | - Emilio Russo
- Department of Pharmacology, University of Germaneto Catanzaro, Catanzaro, Italy
| | | | - Bruno Fattizzo
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Dipartimento di Oncologia ed Emato-Oncologia, Università degli Studi di Milano, Milan, Italy
| | - Germana Beltrami
- U.O. Ematologia e terapie cellulari, IRCCS Azienda Ospedaliera Universitaria San Martino, Genova, Italy
| | - Monica Bocchia
- UOC Ematologia, Università di Siena, Azienda Ospedaliera Universitaria Senese, Siena, Italy
| | | | - Pierre Fenaux
- Groupe Francais desmyélodysplasies (GFM), Paris, France
| | - Ulrich Germing
- Department of Hematology, Oncology, and Clinical Immunology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Alessandra Ricco
- U.O. Ematologia con Trapianto, Azienda Ospedale Policlinicodi Bari, Bari, Italy
| | - Giuseppe A. Palumbo
- Dipartimento di Scienze Mediche Chirurgiche e Tecnologie Avanzate “G.F. Ingrassia”, University of Catania, Catania, Italy
| | - Stefana Impera
- U.O. C. Ematologia, A. O.ad Alta Specializzazione Ospedale Garibaldi Nesima, Catania, Italy
| | | | - Flavia Rivellini
- Divisione Ematologia, P.O. A. Tortora di Pagani-ASL Salerno, Pagani, Italy
| | - Francesco Buccisano
- Divisione di Biopatologia e Diagnostica per Immagini, Policlinico Universitario Tor Vergata, Rome, Italy
| | | | - Anna Marina Liberati
- S.C. Oncoematologia, Università degli Studi di Perugia A.O. Santa Maria, Terni, Italy
| | - Anna Candoni
- Divisione Ematologia, P.O. Santa Maria della Misericordia, A.S.U.F.C di Udine, Udine, Italy
| | - Ilaria Maria Delfino
- U.O.C. Ematologia, Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Maria Teresa Arcadi
- U.O. Farmacia Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Patrizia Cufari
- U.O.C. Ematologia, Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Lorenzo Rizzo
- Dipartimento di Ematologia, Ospedale Niguarda Ca' Granda, Milan, Italy
| | - Irene Bova
- U.O.S. di Genetica Medica Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Maria Grazia D'Errigo
- U.O.S. di Genetica Medica Grande Ospedale Metropolitano Bianchi Melacrino Morelli, Reggio di Calabria, Italy
| | - Gina Zini
- Fondazione Policlinico, Universitario A. Gemelli IRCCS, Rome, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
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