DOI: 10.1111/bjh.19446 ISSN: 0007-1048

Characteristics and outcomes of acute myeloid leukaemia patients with baseline CD7 expression

Wei‐Ying Jen, Koji Sasaki, Sanam Loghavi, Sa A. Wang, Wei Qiao, Gautam Borthakur, Farhad Ravandi, Tapan M. Kadia, Ghayas C. Issa, Nicholas J. Short, Musa Yilmaz, Naval G. Daver, Courtney D. DiNardo
  • Hematology

Summary

Targeted therapy development for acute myeloid leukaemia (AML) requires an understanding of specific expression profiles. We collected flow cytometry data on 901 AML patients and recorded aberrant CD7 expression on leukaemic blasts. 263 (29.2%) had blasts positive for CD7. CD7+ AML was more likely to be adverse risk (64.6% vs. 55.6%, p = 0.0074) and less likely to be favourable risk (15.2% vs. 24.1%, p = 0.0074) by European LeukemiaNet 2022 criteria. Overall survival was inferior (11.9 [95% CI, 9.7–15.9] vs. 19.0 months [95% CI, 16.1–23.0], p = 0.0174). At relapse, 30.4% lost and 19.0% gained CD7, suggesting moderate instability over time.

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