MDS Iron Road
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Studies examining iron overload, overall and leukemia-free survival in transfusion dependent lower IPSS risk MDS patients.
Study N IOL measure Endpoint Findings Reference
Malcovati 2006 467 Per +1 RBCU/4wk OS, LFS
OS
HR 1.36, 1.40, p<0.0001
HR 1.42, p<0.001
[1]
De Swart 2012 1000 Per +500SF >1000ng/mL Mortality rate
Without DP
With DP
TI, 5%; TD, 24%
TI, 32%; TD, 66%
[2]
Hiwase 2017 408 TD OS TD at any point is associated with inferior OS independent of the IPSS-R (p<0.0001) [3]
CHF, congestive heart failure; DP, disease progression; GTT, glucose tolerance test; HR, hazard ratio; IOL, iron overload; IPSS-R, International Prognostic Scoring System-Revised; LFS, leukemia free survival; LFT, liver function tests (transaminases); n, number; OS, overall survival; p, probability; RBCU, red blood cell units; SF, serum ferritin; TD, transfusion dependent; TI, transfusion independent. Modified from Wells RA, et al. Leuk Res 2008 Sep;32(9):1338-53 and Leitch. HA, et al. Leuk Res. 2018 Nov;74:21-41. with permission.

1Malcovati L, et al. Haematologica. 2006 Dec;91(12):1588-90. 2de Swart L, et al. Blood. 2012.: abstract 3830, 120. 3Hiwase DK, et al. Am J Hematol. 2017 Jun;92(6):508-514.