On November 12, 2018 Unum Therapeutics Inc. (NASDAQ: UMRX), a clinical-stage biopharmaceutical company focused on the development of novel cellular immunotherapies, reported financial results and provided a corporate update for the third quarter ended September 30, 2018 and recent activities (Press release, Unum Therapeutics, NOV 12, 2018, View Source [SID1234531239]).
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"In the third quarter of 2018, we continued to make significant progress advancing our clinical pipeline," said Chuck Wilson, CEO of Unum. "We are excited to announce today that we have selected ACTR707 in combination with rituximab for further development in patients with relapsed or refractory non-Hodgkin lymphoma. Early data from the ATTCK-20-03 trial continue to support our novel ACTR platform and potential best-in-class product profile. In addition, we remain on track with our two additional clinical studies, ATTCK-17-01 in multiple myeloma and ATTCK-34-01 in HER2+ solid tumors, and are looking forward to presenting further updates on all trials at upcoming scientific conferences in December. Finally, we are pleased with our significant progress in developing a second novel technology platform, BOXR, which is designed to improve T cell functionality in solid tumors, and we look forward to developing future products based on this platform."
Recent Highlights
Selected ACTR707 as Lead Candidate for Further Development in r/r NHL: Unum has elected to advance ACTR707 in combination with rituximab as its lead product candidate to treat patients with relapsed or refractory CD20-positive B cell non-Hodgkin lymphoma (r/r NHL). As a result of this decision, Unum intends to conclude enrollment in the ATTCK-20-2 study, in the first half of 2019. The selection of ACTR707 as the lead construct in r/r NHL was based on the emerging clinical data from the Phase I ATTCK-20-03 clinical trial, the continuing progress in the ATTCK-20-03 study, and the Company’s desire to efficiently manage resources. At the first dose level of that trial, three out of six treated patients achieved a complete response, two of which remained ongoing at the time of the September 4 data cut off. Additionally, no dose-limiting toxicities (DLTs), serious or severe adverse events of cytokine release syndrome or neurotoxicity were observed in any patients. The findings in ATTCK-20-03 build on the encouraging data observed in cohort 1 of the ATTCK-20-2 trial, which evaluated ACTR087 in combination with
rituximab in patients with r/r NHL. Updated data from the ATTCK-20-03 trial will be presented at the upcoming American Society of Hematology (ASH) (Free ASH Whitepaper) meeting in December.
Continued Progress with ATTCK-17-01 Phase I trial: Unum is continuing to enroll and dose patients in ATTCK-17-01, a Phase I, multi-center, open-label clinical trial designed to test the safety, tolerability, and anti-myeloma activity of ACTR087 used in combination with SEA-BCMA in patients with r/r multiple myeloma through the dose escalation phase of the trial. This is the first clinical trial conducted under the strategic collaboration with Seattle Genetics. Unum plans to report preliminary data from early dose cohorts at the upcoming ASH (Free ASH Whitepaper) meeting in December 2018.
On Track to Initiate ATTCK-34-01 Trial by Year End in Solid Tumors: Unum’s investigational new drug (IND) application for ACTR T cells in combination with trastuzumab for the treatment of patients with HER2+ advanced cancers has been accepted, and Unum plans to initiate the multi-center Phase I ATTCK-34-01 trial by the end of 2018, and announce preliminary data in 2019. ATTCK-34-01, Unum’s first ACTR combination study in solid tumors, is a multicenter, single-arm, open-label dose escalation study evaluating ACTR T cells in combination with trastuzumab and includes a planned expansion at the recommended Phase 2 dose. The primary study objectives are to assess the safety and tolerability of the combination, and to define dose recommendations for further study. Additional objectives include assessment of anti-tumor activity, ACTR T cell persistence and trastuzumab pharmacokinetics. Unum expects to present updated preclinical data along with the clinical trial design at the San Antonio Breast Cancer Symposium in December 2018.
Announced New Technology Platform to Expand Clinical Development Efforts in Solid Tumors: At the Society for Immunotherapy (SITC) (Free SITC Whitepaper) meeting in November, Unum presented preclinical data on a new technology platform called "BOXR," or Bolt-On Chimeric Receptor, that improves the functionality of T cells, enabling them to be more effective in solid tumor cancers. BOXR works with ACTR T cells or CAR T cells to significantly improve T cell functionality. Unum will disclose more details on this new platform, as well as its broader efforts in solid tumors, at the upcoming investor event on November 19, 2018, in New York, featuring guest speaker Charles S. Fuchs, MD, MPH, of Yale Cancer Center. The event will be available also via live webcast.
Third Quarter 2018 Financial Results
Collaboration Revenue: Collaboration revenue recognized during the third quarter ended September 30, 2018 and 2017, of $2.0 million and $2.3 million, respectively, reflects the recognition of a portion of the $25.0 million upfront payment received from Seattle Genetics under Unum’s collaboration agreement as well as reimbursements of research and development costs by Seattle Genetics. Effective January 1, 2018, Unum adopted the new revenue recognition standard, ASC 606, which changed the manner in which the Company recognizes revenue from this collaboration agreement compared to the prior year period.
R&D Expenses: Research and development expenses were $10.3 million for the third quarter ended September 30, 2018, compared to $8.2 million for the same period last year. The increase reflects higher clinical trial costs for the active Phase I clinical trials, as well as increased personnel-related costs, materials and facility-related costs related to scaling manufacturing processes, and increased consultant costs. This was partially offset primarily by a decrease in manufacturing costs incurred for the Phase I clinical trial of ACTR087 in combination with rituximab.
G&A Expenses: General and administrative expenses for the third quarter ended September 30, 2018, were $2.4 million, compared to $1.3 million for the same period last year. The increase is primarily due to expenses around operating as a public company and higher personnel related costs.
Net Loss: Net loss attributable to common stockholders was $10.2 million, or $0.34 per share, for the third quarter ended September 30, 2018, and $7.0 million, or $0.69 per share, for the same period last year.
Cash, Cash Equivalents and Marketable Securities: As of September 30, 2018, Unum had cash, cash equivalents, and marketable securities of $87.1 million. Today, the Company updated its cash runway and now believes that its existing cash, cash equivalents, and marketable securities will fund operating expenses and capital expenditure requirements through at least June 2020, without considering $15.0 million in available borrowings under its loan and security agreement, as a result of its decision to conclude enrollment in the ATTCK-20-2 study in the first half of 2019.