MacroGenics Provides Update on Corporate Progress and Third Quarter 2021 Financial Results

  • Investigational New Drug (IND) application submitted for MGD024, a next generation DART® molecule targeting CD123 and CD3 for AML
  • U.S. Food & Drug Administration (FDA) approves MacroGenics’ GMP manufacturing facility to produce MARGENZA® drug substance
  • Discontinuing enrollment of Cohort A of Phase 2/3 MAHOGANY study of margetuximab
  • Conference call scheduled for today at 4:30 p.m. ET.

ROCKVILLE, Md., Nov. 02, 2021 (GLOBE NEWSWIRE) — MacroGenics, Inc. (NASDAQ: MGNX), a biopharmaceutical company focused on developing and commercializing innovative monoclonal antibody-based therapeutics for the treatment of cancer, today provided an update on its recent corporate progress and reported financial results for the quarter ended September 30, 2021.

“In September, we were pleased to present encouraging preliminary results from our ongoing Phase 1 cohort expansion study of MGC018 at the European Society for Medical Oncology (ESMO) Annual Meeting. We look forward to providing additional clinical data updates on this study next year as well as sharing our future development plans for this molecule in the first quarter of next year, after continued engagement with Key Opinion Leaders and regulatory agencies,” said Scott Koenig, M.D., Ph.D., President and CEO of MacroGenics. “Beyond MGC018, we continue to advance our growing pipeline of investigational product candidates for the potential treatment of cancer. Finally, the recent FDA approval to manufacture MARGENZA drug substance at our GMP manufacturing facility is an important achievement for the Company.”

Updates on Proprietary Programs

The recent progress and key events related to MacroGenics’ investigational product candidates in clinical development and its approved product, MARGENZA, are highlighted below:

  • MGC018 is an antibody-drug conjugate (ADC) that targets B7-H3. At ESMO, MacroGenics presented encouraging preliminary clinical results from the ongoing Phase 1 study of MGC018 in patients with solid tumors. The Phase 1 study cohort expansions are ongoing for metastatic castrate-resistant prostate cancer (mCRPC), non-small cell lung cancer (NSCLC), melanoma, squamous cell carcinoma of the head and neck (SCCHN) and triple negative breast cancer (TNBC). The Company expects to present additional data from the ongoing Phase 1 study of MGC018 in the first half of next year. In addition, MacroGenics intends to provide details regarding further development plans in mCRPC in the first quarter of 2022. The Company also intends to initiate a study combining MGC018 with one of its proprietary checkpoint inhibitor molecules in the first half of next year.
  • Enoblituzumab is an Fc‐engineered, monoclonal antibody that targets B7‐H3. MacroGenics continues to recruit patients into its Phase 2 study of enoblituzumab in a chemotherapy-free regimen in combination with retifanlimab in front-line patients with SCCHN who are PD-L1 positive and with tebotelimab in SCCHN patients who are PD-L1 negative. In September, I-Mab Biopharma announced that an IND to initiate a Phase 2 trial of enoblituzumab in combination with pembrolizumab in patients with select solid tumors was accepted in China, triggering a net $4.5 million milestone payment to MacroGenics. I-Mab has development and commercial rights to enoblituzumab in Greater China.
  • Bispecific CD123 × CD3 DART molecules:
    • Flotetuzumab is a bispecific CD123 × CD3 DART molecule being evaluated in patients with refractory acute myeloid leukemia (AML). MacroGenics is conducting a single-arm clinical study to evaluate flotetuzumab in up to 200 patients with refractory AML, with complete remission (CR) and CR with partial hematological recovery (CRh) as the composite primary endpoint. The Company anticipates providing further updates on the clinical development of flotetuzumab in 2022.
    • MGD024 is a next-generation, bispecific CD123 × CD3 DART molecule designed to minimize cytokine-release syndrome, while maintaining anti-tumor cytolytic activity, and has an Fc domain to permit intermittent dosing through a longer half-life. MacroGenics submitted an IND application for MGD024 to the FDA in October. The Company intends to present preclinical MGD024 data at the American Society of Hematology (ASH) Annual Meeting in December.
  • Tebotelimab is a bispecific, tetravalent DART molecule targeting PD-1 and LAG-3. MacroGenics is evaluating the molecule in patients as monotherapy as well as in combination with other agents. The Company’s partner for this molecule in Greater China, Zai Lab, expanded its Phase 1b/2 study of tebotelimab in combination with the PARP inhibitor niraparib into new indications, including gastric cancer, TNBC and biliary tract cancer. In addition, Zai Lab enrolled the first patient in an endometrial cancer cohort in October 2021.
  • MGD019 is a bispecific, tetravalent DART molecule targeting PD-1 and CTLA-4. The Company is conducting a Phase 1 dose expansion study in cohorts of patients with microsatellite stable colorectal cancer (MSS CRC), checkpoint-naïve NSCLC, mCRPC and melanoma. The Company anticipates sharing data from its ongoing Phase 1 dose expansion study next year.
  • IMGC936 is an ADC that targets ADAM9, a cell surface protein over-expressed in several solid tumor types, and is being developed jointly under a 50/50 collaboration with ImmunoGen, Inc. Under the collaboration, ImmunoGen is leading clinical development of IMGC936 in a Phase 1 clinical trial evaluating safety and pharmacokinetics in multiple solid tumors and has indicated they anticipate disclosing initial data in 2022.
  • Margetuximab is an Fc-engineered, monoclonal antibody (mAb) that targets the HER2 oncoprotein, which is expressed by certain breast, gastroesophageal and other solid tumor cells.
    • MARGENZA Commercial Launch. In March 2021, MacroGenics and its commercial partner, EVERSANA, launched MARGENZA for the treatment of adult patients with metastatic HER2-positive breast cancer, in combination with chemotherapy, who have received two or more prior anti-HER2 regimens, at least one of which was for metastatic disease. As previously reported, the median overall survival (OS) in the intent-to-treat population was not statistically different between the two arms. A prespecified, non-alpha allocating, exploratory analysis of OS by CD16A genotype in the SOPHIA trial showed a numerical OS advantage in favor of margetuximab in F homozygous patients and a numerical OS advantage in favor of trastuzumab in V homozygous patients. Finally, MacroGenics recently received U.S. FDA approval to manufacture MARGENZA drug substance at its GMP manufacturing facility in Rockville, MD.
    • MAHOGANY Study. At ESMO, MacroGenics presented results from Cohort A Part 1 of the Phase 2/3 MAHOGANY study of margetuximab in combination with retifanlimab, an anti-PD-1 molecule the Company licensed to Incyte Corporation, in patients with advanced gastric and gastroesophageal junction cancer. Although the number of confirmed responses by independent review (twenty one of 40 (53%) patients) exceeded the prespecified futility boundary for this chemotherapy-free regimen, MacroGenics has decided to discontinue enrollment of Cohort A based on a number of factors, including the prioritization of its other product candidates given the competition in this indication, and the accelerated approval of combination therapy with pembrolizumab. MacroGenics’ partner for margetuximab in Greater China, Zai Lab, continues to enroll patients in Cohort B.
    • Zai Lab’s Bridging Study. In October 2021, Zai Lab announced that the bridging study of margetuximab plus chemotherapy in advanced, previously treated HER2-positive breast cancer met its primary endpoint with acceptable safety and tolerability. The study showed that efficacy of the combination in Chinese patients was consistent with that seen in the global population in MacroGenics’ SOPHIA Phase 3 trial. Zai Lab has indicated that it anticipates submitting a BLA in China for pretreated metastatic HER2-positive breast cancer by approximately year-end 2021.

Updates on Partnered Program

  • Retifanlimab is an investigational anti-PD-1 antibody that MacroGenics licensed to Incyte. Incyte will present clinical results in poster presentations from both a Phase 2 study of retifanlimab in patients with advanced or metastatic Merkel cell carcinoma and a tumor specific expansion cohort study in patients with recurrent MSI-H or deficient mismatch repair (dMMR) recurrent endometrial cancer at the 2021 Society for Immunotherapy of Cancer (or SITC) Virtual Meeting taking place November 10 – 14, 2021.

Third Quarter 2021 Financial Results

  • Cash Position: Cash, cash equivalents and marketable securities as of September 30, 2021, were $298.9 million, compared to $272.5 million as of December 31, 2020.
  • Revenue: Total revenue, consisting primarily of revenue from collaborative agreements, was $15.7 million for the quarter ended September 30, 2021, compared to total revenue of $18.3 million for the quarter ended September 30, 2020. Revenue for the quarter ended September 30, 2021 included $3.6 million net sales of MARGENZA.
  • R&D Expenses: Research and development expenses were $49.8 million for the quarter ended September 30, 2021, compared to $44.7 million for the quarter ended September 30, 2020. The increase was primarily related to increased clinical trial and development costs related to the Company’s product candidates, as well as research costs related to preclinical molecules, partially offset by decreased clinical costs and BLA support for margetuximab and decreased development and manufacturing costs related to flotetuzumab.
  • SG&A Expenses: Selling, general and administrative expenses were $17.2 million for the quarter ended September 30, 2021, compared to $9.7 million for the quarter ended September 30, 2020. The increase was primarily related to MARGENZA launch, as well as labor-related costs and legal expenses.
  • Net Loss: Net loss was $52.9 million for the quarter ended September 30, 2021, compared to net loss of $36.0 million for the quarter ended September 30, 2020.
  • Shares Outstanding: Shares outstanding as of September 30, 2021 were 61,254,693.
  • Cash Runway Guidance: MacroGenics anticipates that its cash, cash equivalents and marketable securities as of September 30, 2021, plus anticipated and potential collaboration payments, should enable it to fund its operations through 2023, assuming the Company’s programs and collaborations advance as currently contemplated.

Conference Call Information

MacroGenics will host a conference call today at 4:30 p.m. (ET) to discuss financial results for the quarter ended September 30, 2021 and provide a corporate update. To participate in the conference call, please dial (877) 303-6253 (domestic) or (973) 409-9610 (international) five minutes prior to the start of the call and provide the Conference ID: 6063045.

The listen-only webcast of the conference call can be accessed under “Events & Presentations” in the Investor Relations section of the Company’s website at A replay of the webcast will be available shortly after the conclusion of the call and archived on the Company’s website for 30 days following the call.

(Amounts in thousands)

  September 30, 2021   December 31, 2020
Cash, cash equivalents and marketable securities $ 298,898     $ 272,531  
Total assets 392,160     378,743  
Deferred revenue 25,889     11,382  
Total stockholders’ equity 291,438     295,884  


(Amounts in thousands, except share and per share data)

  Three Months Ended September 30,   Nine Months Ended September 30,
  2021   2020   2021   2020
Revenue from collaborative and other agreements $ 11,986       $ 17,415       $ 54,338       $ 46,018    
Product revenue, net 3,591             7,681          
Revenue from government agreements 85       838       1,281       6,174    
Total revenues 15,662       18,253       63,300       52,192    
Costs and expenses:              
Cost of product sales 1,665             1,704          
Research and development 49,823       44,656       158,724       150,901    
Selling, general and administrative 17,161       9,732       47,431       30,181    
Total costs and expenses 68,649       54,388       207,859       181,082    
Loss from operations (52,987 )     (36,135 )     (144,559 )     (128,890 )  
Other income 101       92       466       1,238    
Net loss (52,886 )     (36,043 )     (144,093 )     (127,652 )  
Other comprehensive income:              
Unrealized gain (loss) on investments (4 )     (15 )     4       (14 )  
Comprehensive loss $ (52,890 )     $ (36,058 )     $ (144,089 )     $ (127,666 )  
Basic and diluted net loss per common share $ (0.86 )     $ (0.66 )     $ (2.42 )     $ (2.49 )  
Basic and diluted weighted average common shares outstanding 61,169,754       54,463,412       59,494,836       51,176,884    

About MacroGenics, Inc.

MacroGenics is a biopharmaceutical company focused on developing and commercializing innovative monoclonal antibody-based therapeutics for the treatment of cancer. The Company generates its pipeline of product candidates primarily from its proprietary suite of next-generation antibody-based technology platforms, which have applicability across broad therapeutic domains. The combination of MacroGenics’ technology platforms and protein engineering expertise has allowed the Company to generate promising product candidates and enter into several strategic collaborations with global pharmaceutical and biotechnology companies. For more information, please see the Company’s website at MacroGenics, the MacroGenics logo, MARGENZA and DART are trademarks or registered trademarks of MacroGenics, Inc.

Cautionary Note on Forward-Looking Statements

Any statements in this press release about future expectations, plans and prospects for the Company, including statements about the Company’s strategy, future operations, clinical development of the Company’s therapeutic candidates, commercial prospects of or product revenues from MARGENZA, milestone or opt-in payments from the Company’s collaborators, the Company’s anticipated milestones and other statements containing the words “subject to”, “believe”, “anticipate”, “plan”, “expect”, “intend”, “estimate”, “project”, “may”, “will”, “should”, “would”, “could”, “can”, the negatives thereof, variations thereon and similar expressions, or by discussions of strategy constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: risks that MARGENZA revenue, expenses and costs may not be as expected, risks relating to MARGENZA’s market acceptance, competition, reimbursement and regulatory actions, the uncertainties inherent in the initiation and enrollment of future clinical trials, expectations of expanding ongoing clinical trials, availability and timing of data from ongoing clinical trials, expectations for regulatory approvals, other matters that could affect the availability or commercial potential of the Company’s product candidates and other risks described in the Company’s filings with the Securities and Exchange Commission. In addition, the forward-looking statements included in this press release represent the Company’s views only as of the date hereof. The Company anticipates that subsequent events and developments will cause the Company’s views to change. However, while the Company may elect to update these forward-looking statements at some point in the future, the Company specifically disclaims any obligation to do so, except as may be required by law. These forward-looking statements should not be relied upon as representing the Company’s views as of any date subsequent to the date hereof.

Chris James, M.D., Vice President, Investor Relations & Corporate Communications
Jim Karrels, Senior Vice President, CFO

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