Magenta Therapeutics Reports First Quarter 2019 Financial Results and Recent Business Highlights

On May 9, 2019 Magenta Therapeutics (NASDAQ: MGTA), a clinical-stage biotechnology company developing novel medicines to bring the curative power of stem cell transplant to more patients, reported financial results for the first quarter ended March 31, 2019 and recent business highlights (Press release, Magenta Therapeutics, MAY 9, 2019, View Source [SID1234536074]).

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"In 2019 we are continuing to advance our portfolio of programs toward our vision of curing more patients with autoimmune diseases, blood cancers and genetic diseases. This momentum was reflected in the recent start of our Phase 1 study of MGTA-145, our first-line therapy for stem cell mobilization and second clinical program, as well as in the extended evidence of disease benefit we see in our Phase 2 study of our MGTA-456 cell therapy in patients with inherited metabolic disorders," said Jason Gardner, D.Phil., Chief Executive Officer and President, Magenta Therapeutics. "We are positioned to build on this momentum through additional important milestones across each of our programs and to deliver value for patients and shareholders."

Upcoming Anticipated Milestones:

The Company plans to achieve the following key milestones in 2019:

Present preclinical data on C100 anti-CD45 targeted conditioning program in autoimmune disease and declare a development candidate

Present preclinical data on C200 anti-CD117 targeted conditioning program in gene therapy

Present clinical data from the Phase 1 study of MGTA-145

Present additional clinical data from the Phase 2 study of MGTA-456 in inherited metabolic disorders (IMDs)

Recent Business Highlights:

Dosed first subjects in Phase 1 clinical trial of MGTA-145 first-line stem cell mobilization product candidate: In April 2019, Magenta announced that it had dosed the first subjects in a Phase 1 study of MGTA-145. Magenta intends to develop MGTA-145 in autoimmune diseases, blood cancers and genetic diseases. The Phase 1 study will investigate the safety and tolerability of MGTA-145 alone and in combination with plerixafor in healthy volunteers and establish recommended Phase 2 doses. The study will also measure the number of hematopoietic stem cells in the blood after dosing with MGTA-145 alone and in combination with plerixafor. Magenta expects to present data from the study in the second half of 2019. Depending on the Phase 1 data, the Company plans to move MGTA-145 into a Phase 2 study in multiple myeloma and non-Hodgkin lymphoma in 2020.

Updated clinical data for MGTA-456 cell therapy showed continued signs of durable clinical benefit in patients with IMDs: Magenta presented updated data from the Phase 2 clinical study of MGTA-456 in patients with IMDs at the American Academy of Neurology (AAN) annual meeting in May 2019. Patients with cerebral adrenoleukodystrophy (cALD) treated with MGTA-456 in the study showed stable neurological function scores and persistent resolution of brain inflammation by MRI at 6 months post-transplant, suggesting that the progression of disease has been halted. Magenta expects to update these results in the second half of 2019.

Preclinical data on E478 stem cell gene therapy expansion program show significant increase in gene-modified stem cells: At the American Society of Gene and Cell Therapy annual meeting in May 2019, Magenta presented data showing that E478 increased the number of human hematopoietic stem cells modified with either CRISPR/Cas9 or lentiviral vector by 10-fold compared to standard culture methods. Magenta is developing E478 to achieve high doses of gene-modified stem cells for better outcomes in patients with genetic disorders, including sickle cell disease and beta-thalassemia, where gene editing or viral vector technologies are used to correct stem cells. Magenta intends to develop E478 in partnership with gene therapy companies.

Presented nine abstracts at Transplant and Cellular Therapies Conference: Magenta presented data covering the breadth of the Company’s integrated portfolio of programs at the Transplant and Cellular Therapy (TCT) annual meeting in February 2019.

Financial Results:

Cash Position: Cash, cash equivalents and marketable securities as of March 31, 2019, were $127.3 million compared to $142.6 million on December 31, 2018. In addition, earlier this week Magenta announced that it completed a public offering of common stock and raised gross proceeds of $64.8 million. Magenta anticipates that its cash, cash equivalents and marketable securities, including the proceeds from this recent financing, will be sufficient to fund operations and capital expenditures into the second half of 2021.

Research and Development Expenses: Research and development (R&D) expenses were $10.5 million in the first quarter of 2019, compared to $7.8 million in the first quarter of 2018. The increase was driven by investments related to the IND filing and clinical activities for MGTA-145, as well as the on-going clinical development of MGTA-456.

General and Administrative Expenses: General and administrative (G&A) expenses were $5.8 million for the first quarter of 2019, compared to $3.5 million for the first quarter in 2018. The increase was primarily due to increased personnel and facility costs associated with the growth of the Company.

Net Loss: Net loss was $14.8 million for the first quarter of 2019, compared to net loss of $11.2 million for the first quarter of 2018.