CAMBRIDGE -
'The EBMT Annual Meeting is one of the most important gatherings of global scientific and medical experts in the field of stem cell transplantation and cellular therapy and a key opportunity for Magenta to highlight our findings in our mobilization and conditioning programs,' said
Oral Presentation of Final Phase 1 MGTA-145 Stem Cell Mobilization Program
Magenta is developing MGTA-145 plus plerixafor to harness these agents' complementary mechanisms to mobilize hematopoietic stem cells (HSCs) for collection and transplantation, including for use with gene therapies. The ability to provide rapid, reliable, predictable and safe mobilization and collection of HSCs in stem cell transplantation could position MGTA-145 plus plerixafor to be the preferred mobilization regimen across multiple diseases due to improved patient experience and collection outcomes.
Title: MGTA-145, In Combination with Plerixafor in a Phase 1 Clinical Study, Mobilizes Large Numbers of Hematopoietic Stem Cells and a Graft with
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Data from this Phase 1 clinical trial with healthy volunteers further underscore the potential utility of MGTA-145 plus plerixafor as an effective, single-day mobilization and collection regimen for autologous and allogeneic HSC transplant. MGTA-145 plus plerixafor rapidly mobilized large numbers of HSCs and showed durable engraftment, successful gene-modification and immunosuppressive properties by reducing Graft-versus-Host disease (GvHD) in preclinical models. This abstract is an encore presentation by the Company.
This abstract was selected as one of 10 of the conference's 'Best Young Abstracts,' honoring top-scored abstracts submitted by those under 35 years of age. The awards will be presented during the Poster Session,
Poster Presentation of a Preclinical Study of MGTA-117 Targeted ADC Conditioning Program
Magenta is developing a platform of novel antibody-drug conjugates (ADCs) for conditioning, a step in the transplant process that currently relies on the use of systemic chemotherapy agents and radiation. Magenta's targeted conditioning programs are designed to selectively eliminate stem cells and/or immune cells from a patient prior to stem cell transplant or gene therapy. The conditioning ADCs have the potential to reduce or eliminate the need for high dose or high intensity chemotherapy-based conditioning regimens.
MGTA-117, Magenta's most advanced conditioning program, is a CD117-targeted antibody conjugated to amanitin and intended for use in patients undergoing transplant or gene therapy. MGTA-117 is designed to deplete hematopoietic stem cells and clear space in the bone marrow prior to transplant to enable long-term engraftment and improved disease outcomes in patients. MGTA-117 has shown high selectivity, potent efficacy and tolerability in multiple preclinical studies.
The Company expects to file an Investigational New Drug (IND) application for MGTA-117 in mid-2021, and, upon acceptance of the IND by the
Title: A Novel
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Hematopoietic stem cell transplant (HSCT) can often be a curative treatment for patients with AML. There is currently a need for safer and more effective targeted conditioning agents, as current conditioning regimens are associated with severe toxicities and high post-transplant relapse or graft failure. MGTA-117 was studied in multiple human leukemic xenograft murine models to mimic untreated and refractory AML. In preclinical models, MGTA-117 significantly increased median survival versus a multi-day treatment of cytarabine, the clinical comparator. This abstract is an encore presentation by the Company.
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Forward-Looking Statement
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