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Comment & Response
March 2018

All Thiopurines Are Equal but Some Thiopurines Are More Equal Than Others

Author Affiliations
  • 1Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, Netherlands
JAMA Oncol. 2018;4(3):420. doi:10.1001/jamaoncol.2017.0740

To the Editor With interest, we read the clinically important article by Ertz-Archambault et al1 describing the association of immunosuppressive therapy for autoimmune diseases with the development of myelodysplastic syndrome and acute myeloid leukemia. As a key point, the authors state that azathioprine sodium was the only agent associated with a significant risk.

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