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Key clinical point: Alvocidib followed by cytarabine and mitoxantrone (ACM) was clinically active and well tolerated in patients with myeloid cell leukemia-1 (MCL-1)-dependent relapsed/refractory (R/R) acute myeloid leukemia (AML).
Major finding: The rates of composite complete remission after 1 cycle of ACM therapy were 47%, 21%, 64%, and 52% in patients with R/R AML with MCL-1 <15%, 15% to <30%, 30% to <40%, and ≥40%, respectively. The rate of 30-day mortality was 6% in the R/R AML cohort.
Study details: Findings are from the phase 2 Zella-201 study including 221 adult patients with R/R AML and an exploratory cohort of 169 patients with newly diagnosed high-risk AML, of which 39% were MCL-1 dependent (≥40%).
Disclosures: This study was supported by Tolero Pharmaceuticals, acquired by Sumitomo Dainippon Pharma (SDP). Some investigators, including the lead author, reported being employees of; receiving research funding, honoraria, grants, or drug support from; being on advisory boards or data monitoring committees for; or receiving consultancy or speaker roles from various sources, including Tolero and SDP.
Source: Zeidner JF et al. Blood Cancer J. 2021;11:175 (Oct 30). Doi: 10.1038/s41408-021-00568-3.
Key clinical point: Alvocidib followed by cytarabine and mitoxantrone (ACM) was clinically active and well tolerated in patients with myeloid cell leukemia-1 (MCL-1)-dependent relapsed/refractory (R/R) acute myeloid leukemia (AML).
Major finding: The rates of composite complete remission after 1 cycle of ACM therapy were 47%, 21%, 64%, and 52% in patients with R/R AML with MCL-1 <15%, 15% to <30%, 30% to <40%, and ≥40%, respectively. The rate of 30-day mortality was 6% in the R/R AML cohort.
Study details: Findings are from the phase 2 Zella-201 study including 221 adult patients with R/R AML and an exploratory cohort of 169 patients with newly diagnosed high-risk AML, of which 39% were MCL-1 dependent (≥40%).
Disclosures: This study was supported by Tolero Pharmaceuticals, acquired by Sumitomo Dainippon Pharma (SDP). Some investigators, including the lead author, reported being employees of; receiving research funding, honoraria, grants, or drug support from; being on advisory boards or data monitoring committees for; or receiving consultancy or speaker roles from various sources, including Tolero and SDP.
Source: Zeidner JF et al. Blood Cancer J. 2021;11:175 (Oct 30). Doi: 10.1038/s41408-021-00568-3.
Key clinical point: Alvocidib followed by cytarabine and mitoxantrone (ACM) was clinically active and well tolerated in patients with myeloid cell leukemia-1 (MCL-1)-dependent relapsed/refractory (R/R) acute myeloid leukemia (AML).
Major finding: The rates of composite complete remission after 1 cycle of ACM therapy were 47%, 21%, 64%, and 52% in patients with R/R AML with MCL-1 <15%, 15% to <30%, 30% to <40%, and ≥40%, respectively. The rate of 30-day mortality was 6% in the R/R AML cohort.
Study details: Findings are from the phase 2 Zella-201 study including 221 adult patients with R/R AML and an exploratory cohort of 169 patients with newly diagnosed high-risk AML, of which 39% were MCL-1 dependent (≥40%).
Disclosures: This study was supported by Tolero Pharmaceuticals, acquired by Sumitomo Dainippon Pharma (SDP). Some investigators, including the lead author, reported being employees of; receiving research funding, honoraria, grants, or drug support from; being on advisory boards or data monitoring committees for; or receiving consultancy or speaker roles from various sources, including Tolero and SDP.
Source: Zeidner JF et al. Blood Cancer J. 2021;11:175 (Oct 30). Doi: 10.1038/s41408-021-00568-3.