ArticleScientific reports2025
CLEVER-1 targeting antibody, bexmarilimab, supports HLA-DR expression and alters ex vivo responsiveness to azacitidine and venetoclax in myeloid malignancies.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05428969 (A Phase I/II Open-Label Study to Assess the Safety, Tolerability and Preliminary Efficacy of the Clever-1 Antibody Bexmarilimab in Combination With Standard of Care Therapy in Patients With Myelodysplastic Syndrome or Chronic Myelomonocytic Leukemia or Acute Myeloid Leukemia), which is not on this map. Cited by 5 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase I/II Open-Label Study to Assess the Safety, Tolerability and Preliminary Efficacy of the Clever-1 Antibody Bexmarilimab in Combination With Standard of Care Therapy in Patients With Myelodysplastic Syndrome or Chronic Myelomonocytic Leukemia or Acute Myeloid Leukemia
Who cites it
5 citing papers in PubMed.
- Review
- Emerging strategies and novel therapeutic targets in acute myeloid leukemia: current advances and future directions.Biomarker research · 2025Review
- Review
- Stabilin-1 in Tumor-Associated Macrophages: A Potential Therapeutic Target in Cancer Immunotherapy.Biology · 2025Review
- Review
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Authors and funding
9 authors.
Funding
Abstract
Treatment of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) requires new therapy options, especially for patients uneligible for intense chemotherapy or with relapsed or refractory disease. CLEVER-1 is a myeloid checkpoint protein, which can be targeted with a therapeutic function blocking antibody, bexmarilimab. Bexmarilimab has shown clinical efficacy in different solid tumors. Here, we show preclinical data demonstrating expression of CLEVER-1 on immature malignant myeloid cells and their derivates in MDS and AML bone marrow samples and AML cell lines. Highest CLEVER-1 levels were observed in AML with monocytic differentiation. Ex vivo treatment of AML/MDS bone marrow samples with bexmarilimab led to an increase in antigen-presenting human leukocyte antigen DR isotype (HLA-DR) molecule expression. Combination of bexmarilimab with current standard-of-care (SoC) drugs, azacitidine and venetoclax, showed potential for HLA-DR induction and enhanced killing of leukemic cells, respectively. Our non-clinical findings support the feasibility of CLEVER-1 inhibition in AML/MDS to induce antigen presentating molecule expression and potentially, an anti-leukemic effect together with SoC. Therapeutic targeting of CLEVER-1 with bexmarilimab is currently undergoing clinical investigation in the BEXMAB trial (NCT05428969).
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