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Use of tamibarotene, a potent and selective RARα agonist, in combination with azacitidine in patients with relapsed and refractory AML with RARA gene overexpression

Tamibarotene-based therapy is a novel targeted approach for the treatment of relapsed/refractory (R/R) acute myeloid leukemia (AML) with retinoic acid receptor alpha ( ) gene overexpression. Approximately, 50% of higher-risk myelodysplastic syndrome (MDS) patients and approximately 30% of AML patien...

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Published in:Leukemia & lymphoma 2023-12, Vol.64 (12), p.1992-2001
Main Authors: Stein, Eytan M, de Botton, Stephane, Cluzeau, Thomas, Pigneux, Arnaud, Liesveld, Jane L, Cook, Rachel J, Rousselot, Philippe, Rizzieri, David A, Braun, Thorsten, Roboz, Gail J, Lebon, Delphine, Heiblig, Mael, Baker, Kristen, Volkert, Angela, Paul, Sofia, Rajagopal, Nisha, Roth, David A, Kelly, Michael, Peterlin, Pierre
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Language:English
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Summary:Tamibarotene-based therapy is a novel targeted approach for the treatment of relapsed/refractory (R/R) acute myeloid leukemia (AML) with retinoic acid receptor alpha ( ) gene overexpression. Approximately, 50% of higher-risk myelodysplastic syndrome (MDS) patients and approximately 30% of AML patients are positive for overexpression using a blood-based biomarker test that measures expression in peripheral blasts. A phase 2 study investigating the activity of tamibarotene in patients with overexpression was conducted in patients with AML and MDS (NCT02807558). In 28 patients with R/R AML and overexpression treated with tamibarotene in combination with azacitidine, the median overall survival was 5.9 months. In 21 response-evaluable patients, the complete remission/complete remission with incomplete hematologic recovery (CR/CRi) rate was 19%, and median time to initial CR/CRi was 1.2 months. The favorable safety profile and preliminary clinical activity support the development of combination therapies with tamibarotene in myeloid malignancies with overexpression.
ISSN:1042-8194
1029-2403
DOI:10.1080/10428194.2023.2243356