The use of immunosuppressive therapy in MDS: Clinical outcomes and their predictors in a large international patient cohort

Maximilian Stahl, Michelle DeVeaux, Theo De Witte, Judith Neukirchen, Mikkael A. Sekeres, Andrew M. Brunner, Gail J. Roboz, David P. Steensma, Vijaya R. Bhatt, Uwe Platzbecker, Thomas Cluzeau, Pedro H. Prata, Raphaël Itzykson, Pierre Fenaux, Amir T. Fathi, Alexandra Smith, Ulrich Germing, Ellen K. Ritchie, Vivek Verma, Aziz NazhaJaroslaw P. Maciejewski, Nikolai A. Podoltsev, Thomas Prebet, Valeria Santini, Steven D. Gore, Rami S. Komrokji, Amer M. Zeidan

Research output: Contribution to journalArticlepeer-review

98 Scopus citations


Most studies of immunosuppressive therapy (IST) in myelodysplastic syndromes (MDS) are limited by small numbers and their single-center nature, and report conflicting data regarding predictors for response to IST.We examined outcomes associated with IST and predictors of benefit in a large international cohort of patientswith MDS. Datawere collected from 15 centers in the United States and Europe. Responses, including red blood cell (RBC) transfusion independence (TI), were assessed based on the 2006MDS InternationalWorking Group criteria, and overall survival (OS) was estimated by Kaplan-Meier methods. Logistic regression models estimated odds for response and TI, and Cox Proportional Hazard models estimated hazards ratios forOS.Weidentified 207patientswithMDSreceiving IST, excluding steroidmonotherapy. Themost common IST regimen was anti-thymocyte globulin (ATG) plus prednisone (43%). Overall response rate (ORR) was 48.8%, including 11.2% (95% confidence interval [CI], 6.5%-18.4%)who achieved a complete remission and 30% (95% CI, 22.3%-39.5%) who achieved RBC TI. Median OS was 47.4 months (95% CI, 37-72.3 months) and was longer for patients who achieved a response or TI. Achievement of RBC TI was associated with a hypocellular bone marrow(cellularity, 20%); horse ATG plus cyclosporinewas more effective than rabbit ATG or ATG without cyclosporine. Age, transfusion dependence, presence of paroxysmal nocturnal hemoglobinuria or large granular lymphocyte clones, and HLA DR15 positivity did not predict response to IST. IST leads to objective responses in nearly half the selected patients with the highest rate of RBC TI achieved in patients with hypocellular bone marrows.

Original languageEnglish (US)
Pages (from-to)1765-1772
Number of pages8
JournalBlood Advances
Issue number14
StatePublished - Jul 24 2018

ASJC Scopus subject areas

  • Hematology


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