On February 26, 2025 Vir Biotechnology, Inc. (Nasdaq: VIR), reported a corporate update and reported financial results for the fourth quarter and full year ended December 31, 2024 (Press release, Vir Biotechnology, FEB 26, 2025, View Source [SID1234650655]).
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"2024 was a year of transformation for Vir Biotechnology as we successfully defined and executed on our renewed strategic direction, focusing our resources on our most promising programs in infectious diseases and oncology," said Marianne De Backer, M.Sc., Ph.D., MBA, Chief Executive Officer, Vir Biotechnology. "As we enter 2025, we are poised for significant advancement with the initiation of our Phase 3 registrational program in chronic hepatitis delta and further clinical progression of our dual-masked T-cell engagers in solid tumors. Our disciplined capital deployment and strategic approach to partnerships enable us to maximize value creation from our pipeline and deliver transformative therapies to patients."
Pipeline Programs
Chronic Hepatitis Delta (CHD)
ECLIPSE Phase 3 registrational clinical program in chronic hepatitis delta is advancing with the first patient in (FPI) expected during the first half of 2025.
Positive data from the SOLSTICE Phase 2 clinical trial were presented at the American Association for the Study of Liver Diseases (AASLD) The Liver Meeting in November 2024. This data demonstrated the potential of the first-of-its-kind investigational combination to address a critical unmet need in CHD, showing rapid and sustained virologic suppression, using the most stringent measure of zero detectable hepatitis delta RNA in the blood or target not detected, (TND defined as HDV RNA < 0 IU/mL), and no treatment-related serious adverse events (SAEs).
Tobevibart and elebsiran combination therapy has received multiple regulatory designations potentially supporting an expedited development and review process and recognizing the significant unmet need in CHD: U.S. FDA Breakthrough Therapy designation, U.S. FDA Fast Track designation, European Priority Medicines (PRIME) designation and European Orphan Drug designation.
Solid Tumors
In January 2025, the Company presented encouraging preliminary safety and efficacy data in ongoing Phase 1 dose escalation trials for its dual-masked T-cell engager (TCE) programs.
VIR-5818, the only dual-masked HER2-targeting TCE in clinical trials, showed tumor shrinkage across various tumor types in 50% (10/20) of participants receiving doses ≥400 µg/kg, with confirmed partial responses in 33% (2/6) of participants with HER2-positive colorectal cancer (CRC).
VIR-5500, the only dual-masked PSMA-targeting TCE in clinical trials, showed PSA reductions in 100% (12/12) of metastatic castration resistant prostate cancer (mCRPC) patients after an initial dose ≥120 µg/kg. PSA50 response was confirmed in 58% (7/12) of participants.
Both clinical candidates have shown promising safety profiles, with maximum tolerated dose (MTD) not yet reached, no dose-limiting cytokine release syndrome (CRS) observed and no CRS greater than grade 2.
Initial clinical data demonstrate the PRO-XTEN masking technology’s potential to minimize systemic toxicity while enabling selective killing of cancer cells in the tumor microenvironment, minimizing CRS and expanding the therapeutic index compared to traditional therapeutic approaches.
The Company is advancing VIR-5818 and VIR-5500 through ongoing Phase 1 dose escalation studies, aiming to further optimize dosing and efficacy. Additionally, the Company plans to initiate a Phase 1 study of VIR-5525, its dual-masked EGFR-targeting TCE, in the first half of 2025, evaluating its potential across a number of solid tumor indications.
Chronic Hepatitis B (CHB)
The Company anticipates functional cure data from the 24-week follow-up of the MARCH Part B Phase 2 trial in the second quarter of 2025.
Positive end-of-treatment results of the MARCH Part B Phase 2 trial evaluating tobevibart and elebsiran in combination with PEG-IFNα or tobevibart and elebsiran alone were presented at AASLD The Liver Meeting in November 2024. The data demonstrated compelling hepatitis B surface antigen (HBsAg) loss and anti–hepatitis B surface antibody (anti-HBs) development at the end of treatment.
Future advancement in CHB by the Company will be contingent on securing a worldwide development and commercialization partner outside of China Territory (People’s Republic of China, Hong Kong, Taiwan and Macau) to best enable further development in this area of high unmet need.
Preclinical Pipeline Candidates
The Company is advancing multiple undisclosed dual-masked TCEs against clinically validated targets with potential applications across a variety of solid tumors. These preclinical candidates leverage the PRO-XTEN masking technology with novel TCEs discovered and engineered using Vir Biotechnology’s antibody discovery platform and the Company’s proprietary dAIsY (data AI structure and antibody) AI engine.
The Company continues to advance its HIV broadly neutralizing antibody program for HIV cure in collaboration with the Gates Foundation.
Corporate Update
In November 2024, the Company hosted an investor event highlighting positive data from its SOLSTICE Phase 2 trial in hepatitis delta and its MARCH Part B Phase 2 trial in hepatitis B presented at AASLD.
In January 2025, the Company announced positive initial Phase 1 dose escalation data for two of its PRO-XTEN masked TCEs through an investor event.
The Company announced Maninder Hora, Ph.D. will assume the role of Executive Vice President, Chief Technical Operations Officer in February 2025, following the departure of the current Chief Technology Officer, Aine Hanley, Ph.D.
Fourth Quarter and Full Year 2024 Financial Results
"Our focus on operational efficiency and program prioritization achieved a 28% year-over-year reduction in operating expense, excluding the upfront expense related to the Sanofi licensing agreement," said Jason O’Byrne, MBA, Executive Vice President and Chief Financial Officer, Vir Biotechnology. "We enter 2025 with a robust financial position to support our key strategic priorities, including $1.10 billion in cash, cash equivalents and investments and a cash runway into mid-2027."
Cash, Cash Equivalents and Investments: As of December 31, 2024, the Company had approximately $1.10 billion in cash, cash equivalents and investments, representing a decline of approximately $90.6 million during the fourth quarter of 2024. For the full year of 2024, cash, cash equivalents and investments declined approximately $532.3 million. The 2024 full year decrease includes a $103.7 million upfront payment made to Sanofi upon the closing of the Sanofi license agreement and $75.0 million that was reclassified to restricted cash in the third quarter of 2024 and subject to VIR-5525 achieving "first in human dosing" by 2026.
Revenue: Revenue for the quarter ended December 31, 2024 was $12.4 million compared to $16.8 million for the same period in 2023. Revenue for the full year of 2024 was $74.2 million compared to $86.2 million in 2023. The decreases in the fourth quarter and full year were primarily driven by grant revenue, where lower revenue was recognized in accordance with our agreement with BARDA and the Gates Foundation. In addition, the decrease in the full year 2024 was attributable to lower revenues from the release of profit-sharing amount previously constrained under the 2020 GSK Agreement, partially offset by the recognition of deferred revenue related to the expiry of GSK’s rights to select up to two additional non-influenza target pathogens during the first quarter of 2024.
Cost of Revenue: Cost of revenue for the fourth quarter of 2024 was $0.7 million compared to $0.8 million for the same period in 2023. Cost of revenue for the full year of 2024 was $0.8 million compared to $2.8 million in 2023. The decreases were due to lower third-party royalties owed based on the lower collaboration revenue under the 2020 GSK Agreement.
Research and Development Expenses (R&D): R&D expenses for the fourth quarter of 2024 were $106.1 million, which included $8.3 million of non-cash stock-based compensation expense, compared to $109.1 million for the same period in 2023, which included $16.5 million of non-cash stock-based compensation expense. R&D expenses for the full year of 2024 were $506.5 million, which included $43.9 million of non-cash stock-based compensation expense, compared to $579.7 million in 2023, which included $62.7 million of non-cash stock-based compensation expense. The decrease of the fourth quarter R&D expense was primarily due to lower expenses for personnel and de-prioritized programs, partially offset by non-cash in-process R&D assets impairment charges and contingent consideration liability revaluation. The decrease of the full year R&D expense was primarily due to lower clinical costs and contract manufacturing costs associated with the Company’s discontinued flu asset, VIR-2482, lower contract manufacturing costs associated with elebsiran used in the Company’s CHD and CHB clinical trials and lower personnel costs, partially offset by the $102.8 million of the Sanofi upfront payment being recognized as in-process R&D expense.
Selling, General and Administrative Expenses (SG&A): SG&A expenses for the fourth quarter of 2024 were $26.7 million, which included $7.5 million of non-cash stock-based compensation expense, compared to $41.2 million for the same period in 2023, which included $11.8 million of non-cash stock-based compensation expense. SG&A expenses for the full year of 2024 were $119.0 million, which included $34.5 million of non-cash stock-based compensation expense, compared to $174.4 million in 2023, which included $48.6 million of non-cash stock-based compensation expense. The decrease in both the fourth quarter and the full year was primarily related to lower personnel and other expenses associated with previously announced cost-saving initiatives.
Restructuring, Long-Lived Assets Impairment and Related Charges: Restructuring, long-lived assets impairment and related charges for the fourth quarter of 2024 were $(3.9) million compared to $4.7 million for the same period in 2023. The $(3.9) million in the fourth quarter of 2024 was primarily related to a gain from terminating our lease in St. Louis, Missouri. The $4.7 million in the fourth quarter of 2023 was primarily related to the severance expenses.
Other Income: Other income for the fourth quarter of 2024 was $12.5 million compared to $18.3 million for the same period in 2023. The decrease was primarily due to lower interest income. Other income for the full year of 2024 was $64.1 million compared to $56.1 million in 2023. The increase was primarily due to lower unrealized loss from the Company’s equity investment and lower foreign exchange loss, partially offset by lower interest income.
Benefit from Income Taxes: Benefit from income taxes for the fourth quarter and the full year of 2024 was nominal. Benefit from income taxes for the fourth quarter and the full year of 2023 was $4.8 million and $13.1 million, respectively, primarily due to a pre-tax loss and the Company’s ability to carry back the research and development credit to 2022.
Net Loss: Net loss attributable to Vir Biotechnology for the fourth quarter of 2024 was $(104.6) million, or $(0.76) per share, basic and diluted, compared to a net loss of $(116.0) million, or $(0.86) per share, basic and diluted, for the same period in 2023. Net loss attributable to Vir Biotechnology for the year of 2024 was $(522.0) million, or $(3.83) per share, basic and diluted, compared to a net loss of $(615.1) million, or $(4.59) per share, basic and diluted, in 2023.
2025 Financial Guidance
Based on current operating plans, the Company expects its cash, cash equivalents and investments to fund its operations into mid-2027.
Conference Call
Vir Biotechnology will host a conference call to discuss the fourth quarter and full year 2024 results at 1:30 p.m. PT / 4:30 p.m. ET today. A live webcast will be available on View Source and will be archived for 30 days.
About VIR-5818, VIR-5500, VIR-5525
VIR-5818, VIR-5500, VIR-5525 are investigational, clinical candidates currently being evaluated for the treatment of solid tumors. These assets leverage the PRO-XTEN masking technology with three different T-cell engagers (TCEs) targeting HER2, PSMA, and EGFR, respectively.
TCEs are powerful anti-tumor agents that can direct the immune system, specifically T-cells, to destroy cancer cells. The PRO-XTEN masking technology is designed to keep the TCEs inactive (or masked) until they reach the tumor microenvironment, where tumor-specific proteases cleave off the mask and activate the TCEs, leading to killing of cancer cells. By driving the activity exclusively to the tumor microenvironment, we aim to circumvent the traditionally high toxicity associated with TCEs and increase their efficacy and tolerability. Additionally, the mask is designed to help drug candidates stay in the bloodstream longer in their inactive form, allowing them to better reach the site of action and potentially allowing less frequent dosing regimens for patients and clinicians.
About Tobevibart and Elebsiran
Tobevibart is an investigational broadly neutralizing monoclonal antibody targeting the hepatitis B surface antigen (HBsAg). It is designed to inhibit the entry of hepatitis B and hepatitis delta viruses into hepatocytes and to reduce the level of circulating viral and subviral particles in the blood. Tobevibart was identified using Vir Biotechnology’s proprietary monoclonal antibody discovery platform. The Fc domain has been engineered to increase immune engagement and clearance of HBsAg immune complexes and incorporates Xencor’s Xtend technology to extend half-life. Tobevibart is administered subcutaneously, and it is currently in clinical development for the treatment of patients with chronic hepatitis delta and patients with chronic hepatitis B.
Elebsiran is an investigational hepatitis B virus-targeting small interfering ribonucleic acid (siRNA) designed to degrade hepatitis B virus RNA transcripts and limit the production of hepatitis B surface antigen. Current data indicates that it has the potential to have direct antiviral activity against hepatitis B virus and hepatitis delta virus. Elebsiran is administered subcutaneously, and it is currently in clinical development for the treatment of patients with chronic hepatitis delta and patients with chronic hepatitis B.