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The Binding of CD38 Therapeutics to Red Blood Cells and Platelets Subverts Depletion of Target Cells (Hall B, Level 2 (Orange County Convention Center)) - Nov 7, 2019 - Abstract #ASH2019ASH_4331; P1/2, P1b An effective strategy for developing more potent therapeutics may be to circumvent binding to CD38 on circulating RBCs and PLTs because the magnitude of CD38 antibody binding to leukocytes is inversely related to binding of circulating RBCs and PLTs in vitro . In addition, lower binding to RBCs and PLTs is associated with higher availability of CD38 antibody for binding target cells in RRMM patients, as well as target saturation and depletion by TAK-079 when administered subcutaneously at relatively low doses (eg, 300mg).
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Review, Journal, IO Biomarker: CD38 Antibodies in Multiple Myeloma: Mechanisms of Action and Modes of Resistance. (Pubmed Central) - Oct 29, 2019 At this moment several CD38 antibodies are at different phases of clinical testing, with daratumumab already approved for various indications both as monotherapy and in combination with standards of care in MM...Furthermore, the microenvironment protects MM cells to CD38 antibody-induced ADCC by upregulation of anti-apoptotic molecules, such as survivin. Improved understanding of modes of action and mechanisms of resistance has resulted in rationally designed CD38-based combination therapies, which will contribute to further improvement in outcome of MM patients.
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Enrollment change, Trial completion date, Trial primary completion date: A Study to Investigate the Safety, Tolerability, Efficacy, Pharmacokinetics, and Immunogenicity of TAK-079 Administered Subcutaneously as a Single Agent in Participants With Relapsed/Refractory (r/r) Multiple Myeloma (MM) (clinicaltrials.gov) - Jul 15, 2019 P1/2, N=100, Recruiting, Not yet recruiting --> Recruiting N=42 --> 100 | Trial completion date: Oct 2020 --> Dec 2022 | Trial primary completion date: Oct 2020 --> Feb 2022
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Review, Journal, PD(L)-1 Biomarker, IO Biomarker: Immunomodulatory effects of CD38-targeting antibodies. (Pubmed Central) - Jul 11, 2019 CD38-targeting antibodies probably also reduce adenosine production in the bone marrow microenvironment, which may contribute to improved T cell activity. Preclinical and clinical studies have demonstrated that CD38-targeting antibodies have synergistic activity with several other anti-cancer drugs, including various agents with immune stimulating activity, such as lenalidomide and pomalidomide, as well as PD1/PD-L1 inhibitors.
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Enrollment open, Combination therapy, IO biomarker: A Study to Evaluate the Safety, Pharmacokinetics (PK), and Pharmacodynamics (PD) of TAK-079 in Combination With Standard Background Therapy in Participants With Moderate to Severe Systemic Lupus Erythematosus (SLE) (clinicaltrials.gov) - Dec 10, 2018 P1b, N=24, Recruiting, Preclinical and clinical studies have demonstrated that CD38-targeting antibodies have synergistic activity with several other anti-cancer drugs, including various agents with immune stimulating activity, such as lenalidomide and pomalidomide, as well as PD1/PD-L1 inhibitors. Not yet recruiting --> Recruiting
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