On May 04, 2016 MacroGenics, Inc. (NASDAQ:MGNX), a clinical-stage biopharmaceutical company focused on discovering and developing innovative monoclonal antibody-based therapeutics for the treatment of cancer, as well as autoimmune disorders and infectious diseases, reported a corporate progress update and reported financial results for the quarter ended March 31, 2016 (Press release, MacroGenics, MAY 4, 2016, View Source [SID:1234511934]).
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"MacroGenics made steady progress across its pipeline of clinical and research-stage compounds during the first quarter of 2016," said Scott Koenig, M.D., Ph.D., President and CEO of MacroGenics. "The SOPHIA study, a Phase 3 trial of margetuximab, our Fc-optimized anti-HER2 monoclonal antibody, continues to enroll patients with metastatic breast cancer. Our immuno-oncology efforts, highlighted by the B7-H3 franchise, also progressed nicely. We anticipate sharing additional enoblituzumab monotherapy study data later this year. Further, our portfolio of innovative molecules was the subject of five poster presentations at the recent American Association of Cancer Research annual meeting."
"As we look forward in 2016 and beyond, we expect to continue our pace of generating promising clinical development candidates based on MacroGenics’ technology platforms," commented Dr. Koenig. "In particular, we expect to submit one IND later this year and two additional INDs in 2017."
Pipeline Update
Margetuximab. Recent highlights related to our Fc-optimized monoclonal antibody that targets the human epidermal growth factor receptor 2, or HER2, include:
SOPHIA Study: MacroGenics’ Phase 3 pivotal study in patients with HER2-positive metastatic breast cancer is ongoing, as the Company continues to initiate sites and enroll patients. This study is evaluating the efficacy of margetuximab plus chemotherapy compared to trastuzumab plus chemotherapy in approximately 530 patients following progression after at least two lines of previous therapy. The Company is targeting completion of this study in 2018.
Phase 1b/2 Gastric Cancer Study: During the first quarter of 2016, MacroGenics dosed the first patient in a Phase 1b/2 clinical trial of margetuximab in combination with pembrolizumab, an anti-PD-1 therapy, in patients with advanced HER2-positive gastric cancer. Treatment options for these patients are limited and this proposed combination regimen being studied would avoid chemotherapy while exploiting the expected enhanced immune-mediated killing properties of both margetuximab and pembrolizumab. This trial is being conducted in collaboration with Merck and is currently recruiting patients in the United States, with plans to expand into Asian sites later this year.
B7-H3 Franchise. MacroGenics is developing a portfolio of therapeutics that target B7-H3, a member of the B7 family of molecules involved in immune regulation. The Company is advancing multiple programs that target B7-H3 through complementary mechanisms of action and take advantage of this antigen’s broad expression across multiple solid tumor types. Current ongoing development programs include:
Enoblituzumab (MGA271): The Company continues to recruit patients in three ongoing studies of enoblituzumab, an Fc-optimized monoclonal antibody that targets B7-H3. These studies include one monotherapy study and two combination studies with each of ipilimumab and pembrolizumab.
MGD009: This DART molecule targeting B7-H3 and CD3 is being evaluated in a Phase 1 study across multiple solid tumor types. The results of preclinical studies of MGD009 were presented in an oral presentation at Keystone Symposia’s Antibodies as Drugs (X2) conference in March. These studies demonstrated that MGD009 redirected T cells to kill B7-H3-expressing human cancer cell lines from a range of tumor types in multiple in vitro and in vivo models.
B7-H3 Antibody-drug Conjugate: At the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting in April, MacroGenics presented a poster that evaluated the therapeutic potential of anti-B7-H3 ADCs in multiple in vitro and in vivo models representing human cancer types that overexpress B7-H3.
DART Product Candidates. There are currently six DART molecules in Phase 1 clinical development, including MGD006 (CD123 x CD3, also known as S80880), MGD007 (gpA33 x CD3), MGD011 (CD19 x CD3, also known as JNJ-64052781), MGD010 (CD32B x CD79B), MGD009 (B7-H3 x CD3) and PF-06671008 (P-cadherin x CD3). The Company expects to submit IND applications for two additional DART molecules in 2017. These two product candidates are:
MGD013: MacroGenics is developing MGD013 to simultaneously block two immune checkpoint molecules, PD-1 and LAG-3. At the recent AACR (Free AACR Whitepaper) meeting, MacroGenics demonstrated that MGD013 has the potential to enhance T-cell immunomodulatory activity as compared to its individual components.
MGD014: MGD014 is a DART molecule that is being developed to eliminate latent HIV infection. MGD014 is being developed under a contract awarded to MacroGenics by the National Institute of Allergy and Infectious Diseases for up to $24.5 million. This is the first infectious disease DART program planned for clinical testing.
Beyond MGD013 and MGD014, MacroGenics continues to generate and evaluate multiple other candidates that target a range of immune regulatory and other molecules using its proprietary platforms. In addition to the B7-H3 ADC and MGD013 posters presented at the recent AACR (Free AACR Whitepaper) meeting, the Company also presented posters on the following three preclinical DART molecules at the meeting: EphA2 x CD3, IL13Rα2 x CD3 and ROR1 x CD3.
First Quarter 2016 Financial Results
Cash Position: Cash, cash equivalents and investments as of March 31, 2016 were $304.4 million, compared to $339.0 million as of December 31, 2015.
Revenue: Total revenue, consisting primarily of revenue from collaborative agreements, was $2.8 million for the quarter ended March 31, 2016, compared to $71.3 million for the quarter ended March 31, 2015. This decrease is primarily due to the $62.3 million in revenue recognized under the Janssen agreement in the first quarter of 2015.
R&D Expenses: Research and development expenses were $27.3 million for the quarter ended March 31, 2016, compared to $21.5 million for the quarter ended March 31, 2015. This increase was due primarily to increased activity in MacroGenics’ preclinical immune checkpoint programs, including MGD013, and the initiation of two Phase 1 clinical trials combining enoblituzumab with other compounds. This increase was partially offset by a decrease in margetuximab expense as a result of start-up costs in 2015 for the SOPHIA trial.
G&A Expenses: General and administrative expenses were $6.1 million for the quarter ended March 31, 2016, compared to $4.7 million for the quarter ended March 31, 2015. This increase was primarily due to higher labor-related costs, including stock-based compensation expense.
Net Loss: Net loss was $30.3 million for the quarter ended March 31, 2016, compared to net income of $45.1 million for the quarter ended March 31, 2015.
Shares Outstanding: Shares outstanding as of March 31, 2016 were 34,536,621.