On December 3, 2024 Priothera Ltd., a late-stage biopharma company pioneering the development of its oral sphingosine 1 phosphate (S1P) receptor modulator, mocravimod, as an adjunctive and maintenance therapy for hematologic malignancies, reported that it will present a Trial in Progress poster on the MO-TRANS Phase 3 study, at the American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting taking place December 7-10, 2024, in San Diego, California (Press release, Priothera, DEC 3, 2024, View Source [SID1234648758]).
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Priothera is investigating the efficacy and safety of mocravimod as an adjunctive and maintenance treatment in patients with acute myeloid leukemia (AML) undergoing allogeneic hematopoietic cell transplantation (allo-HCT) in the pivotal MO-TRANS Phase 3 study.
Mocravimod’s unique dual mechanism of action modulates the S1P receptor 1 to retain alloreactive donor T-cells within lymphoid organs, enhancing the graft-versus-leukemia (GvL) effect to eliminate cancer cells, while preventing T-cell egress to peripheral tissues, thereby reducing the risk of graft-versus-host disease (GvHD). This innovative treatment approach offers a promising solution for patients at high risk of relapse following allo-HCT.
The MO-TRANS study (NCT05429632) is a multicenter, global, placebo-controlled trial enrolling patients with AML in complete remission (CR1), including those with intermediate or adverse risk, as well as patients of all risks in second complete remission (CR2). Patients are randomized to receive either mocravimod or a placebo in addition to standard of care. The primary endpoint of the study is relapse-free survival (RFS). Secondary endpoints include overall survival (OS) and the incidence of GvHD.