UCB and Ariceum Therapeutics sign a Strategic Research Collaboration to Discover New Modalities for the Treatment of Immune-related Diseases and Cancer

On May 11, 2023 Ariceum Therapeutics (Ariceum), a private biotech company developing radiopharmaceutical products for the diagnosis and treatment of certain hard-to-treat cancers,and UCB (EURONEXT BRUSSELS: UCB), a global biopharmaceutical company, reported an exclusive, strategic research collaboration agreement to identify and develop novel systemic targeted radiopharmaceuticals for the treatment of solid tumors and immune-related diseases (Press release, Ariceum Therapeutics, MAY 11, 2023, View Source [SID1234631486]).

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Under the terms of the research collaboration, UCB and Ariceum will utilize each other’s proprietary technology platforms to enable the discovery of peptide-radioisotope conjugates as potential therapeutics for immune-related diseases and cancer. Ariceum will also gain access to UCB’s expertise to discover novel synthetic macrocyclic peptides using its mRNA-display technology platform, ExtremeDiversity. UCB will benefit from Ariceum’s expertise in the field of radiochemistry and labelling technology to enhance its ability to explore how this technology might lead to the discovery of highly differentiated products for immune-related diseases. Both companies will have the opportunity to explore several targets under this research collaboration.

Manfred Rüdiger, PhD, Chief Executive Officer of Ariceum Therapeutics, said: "We are excited about this strategic collaboration between UCB and Ariceum which aims to broaden Ariceum’s pipeline with potentially several new programs at discovery stage. Through this partnership, Ariceum will have access to a unique library that will be used to screen against targets of interest for oncology for which current targeted approaches have failed, while working with UCB on enabling targeted systemic radiotherapy approaches in other areas of severe diseases."

Dhaval Patel, Chief Scientific Officer of UCB, commented: "The collaboration with Ariceum further enhances our strategic drug discovery capabilities and provides UCB with the opportunity to learn and explore the potential of this modality in our drive to continuously innovate. We look forward to working with Ariceum’s scientists and are eager to leverage the technology platforms and disease expertise at each company."

Applied Therapeutics Reports First Quarter 2023 Financial Results

On May 11, 2023 Applied Therapeutics, Inc. (Nasdaq: APLT), a clinical-stage biopharmaceutical company developing a pipeline of novel drug candidates against validated molecular targets in indications of high unmet medical need,reported financial results for the first quarter ended March 31, 2023 (Press release, Applied Therapeutics, MAY 11, 2023, View Source [SID1234631485]).

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"We are committed to bringing transformative therapies to patients with debilitating diseases and no treatment options, including Galactosemia, SORD Deficiency and Diabetic Cardiomyopathy," said Shoshana Shendelman, PhD, Founder and CEO of Applied Therapeutics. "We look forward to discussing our recent Galactosemia data with regulatory agencies and potentially moving towards approval of govorestat for Galactosemia later this year. We are also excited about our upcoming data readouts in SORD Deficiency and Diabetic Cardiomyopathy. Our recent financing helps to strengthen the balance sheet to support advancement of our clinical programs towards commercialization."

Recent Highlights

· Announced Long-term Clinical Benefit of Govorestat (AT-007) in the Phase 3 ACTION-Galactosemia Kids Trial. In April 2023, the Company announced consistent long-term clinical benefit from the ACTION-Galactosemia Kids Phase 3 study of govorestat. Treatment with govorestat demonstrated consistent and sustained clinical benefit on activities of daily living, behavioral symptoms, cognition, adaptive behavior and tremor. Consistent with prior reported data, improvement in galactitol levels was sustained throughout the trial with no impact on Gal-1p or galactose, further establishing the causal role of galactitol in disease pathogenesis. The Company believes that there is compelling evidence of clinical efficacy and plans to request a pre-NDA meeting, with a potential NDA submission in the second half of 2023. The Company also plans to submit an MAA in mid-2023 for potential European approval.

· Closed $30 Million Private Placement of Equity, Strengthening the Company’s Balance Sheet. In April 2023, the Company announced the sale of shares of the Company’s common stock and pre-funded warrants to purchase common stock in a private placement led by Venrock, resulting in approximately $30 million of gross proceeds, before deducting placement agent commissions and other offering expenses, to the Company. The Company believes that the capital raised in the private placement, in addition to current cash and potential milestones expected from the Advanz European licensing partnership, is expected to fund the business through the middle of 2024.

Financial Results

· Cash and cash equivalents and short-term investments totaled $22.9 million as of March 31, 2023, compared with $30.6 million at December 31, 2022. The Company raised an additional $30 million of gross proceeds, before deducting placement agent commissions and other offering expenses, through a private placement in April 2023.

· Research and development expenses for the three months ended March 31, 2023 were $15.9 million, compared to $15.0 million for the three months ended March 31, 2022. The increase of approximately $0.9 million was primarily related to an increase in clinical and pre-clinical expense of $0.3 million, primarily due to the progression of the SORD Phase 3 registrational study; an increase in drug manufacturing and formulation costs of $1.0 million primarily related to purchase of raw materials in the three months ended March 31, 2023; a decrease in personnel expenses of $0.2 million due to the decrease in headcount; an increase in stock-based compensation of $6,000 due to new restricted stock grants; and a decrease in regulatory and other expenses of $0.2 million.

· General and administrative expenses were $5.6 million for the three months ended March 31, 2023, compared to $8.1 million for the three months ended March 31, 2022. The decrease of approximately $2.5 million was primarily related to a decrease in legal and professional fees of $0.1 million due to lower external legal fees; a decrease in commercial expenses of $1.1 million related to a decrease in spend for commercial operations; a decrease in personnel expenses of $0.5 million related to a decrease in headcount; a decrease in stock-based compensation of $29,000 relating to options being forfeited during the current period as well as decrease in headcount; a decrease in insurance expenses of $0.3 million related to decreased insurance costs; and a decrease in other expenses of $0.3 million relating to decreased costs of other office expenses.

· Net loss for the first quarter of 2023 was $10.1 million, or $0.18 per basic and diluted common share, compared to a net loss of $23.1 million, or $0.88 per basic and diluted common share, for the first quarter 2022.

Applied DNA Reports Second Quarter Fiscal 2023 Financial Results and Provides Corporate Update

On May 11, 2023 Applied DNA Sciences, Inc. (NASDAQ: APDN) ("Applied DNA" or the "Company"), a leader in PCR-based DNA technologies, reported consolidated financial results for the second quarter of fiscal 2023 ended March 31, 2023 (Press release, Applied DNA Sciences, MAY 11, 2023, View Source [SID1234631484]).

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Commenting on the Company’s quarterly performance, Dr. James A. Hayward, president and CEO, stated, "We made steady progress in the execution of our long-term business plan that is centered on the enzymatic production of DNA via PCR for biotherapeutic applications while concurrently managing for a cessation in COVID-19 testing demand by our primary customer. Our current cash position and ongoing focus on cost management should enable us to absorb a short-term increase in cash burn while continuing to execute on key priorities that set us up for multiple value-driving milestones in the coming quarters."

Continued Dr. Hayward, "It has never been clearer that the future of genetic medicine is best served by the enzymatic production of DNA. The biotherapeutics industry is showing strong enthusiasm for alternatives to conventional plasmid DNA production to address critical bottlenecks impacting the growth of nucleic acid-based therapies. We believe we are among the few in the marketplace that can deliver commercial quantities of enzymatically produced DNA with the speed, scale, quality, and cost demanded by genetic medicine customers. Our initial focus on DNA IVT templates for mRNA production is starting to bear fruit, with feedback from initial customer evaluation-scale deliveries of linearDNA affirming that it is well suited to empower the manufacture of mRNA-based therapies. Building on these early successes, we have identified an acquisition target within the mRNA value chain that we believe can significantly increase our total addressable market with better economics than linearDNA IVT templates alone. Our future in biotherapeutics has never been more promising."

Recent Highlights and Anticipated Milestones

Biotherapeutics:

· The Company introduced more efficient production methods and secured orders from new customers to evaluate linearDNA as an IVT template for mRNA production. New customers range from pre/clinical-stage therapy developers to Big Pharma.
· The Company is on track to deliver cGMP-quality linearDNA production of IVT templates by the end of calendar 2023 at quality specifications that customers will require for clinical use. cGMP-quality production will enable the Company, for the first time, to deliver the benefits of non-plasmid IVT templates at every stage of mRNA therapy development, from research and development through the clinic and into commercial production.
· The Company has identified an acquisition target that it believes will deliver substantial commercial advantages to its LinearDNA platform for mRNA production. The Company believes that combining the target’s IP, assets, know-how, and the LinearDNA platform gives the Company broader coverage of the mRNA production value chain and a higher total addressable market with improved economics for customers and the Company. The Company anticipates closing on the acquisition in the fiscal quarter ending June 30. No assurance can be given that the contemplated acquisition will be completed.

Clinical Laboratory Services:

· The Company submitted a validation package to the New York State Department of Health (NYSDOH) in support of approval for a pharmacogenomics (PGx) assay as a laboratory-developed test. The Company anticipates approval of the assay in the coming months with which to launch its population-scale PGx testing service. The Company’s differentiated business model for PGx is centered on institutional payers while avoiding the billing of third-party insurers, which is the model we successfully executed for our COVID-19 testing.

Supply Chain Traceability:

· The Company continues to add CertainT authenticity platform customers for source verification testing (non-DNA tagging), with demand being driven by the implementation of the Uyghur Forced Labor Prevention Act (UFLPA) that requires importers of cotton-based goods into the U.S. market to prove that said goods do not originate in China’s Xinjiang region or have not benefitted from forced labor. Source verification testing is a low-rate testing service positioned to build demand for recurring, high-margin, high-dollar-value contracts for DNA tagging;
· The Company is currently pursuing DNA tagging business development opportunities with apparel manufacturers and upstream supply chain participants, the latter offering the potential for a recurring revenue stream untethered from cotton ginning season cyclicality.

Second Quarter Fiscal 2023 Financial Highlights:

· Total revenues were $4.4 million for the three-month period ended March 31, 2023, as compared to $6.1 million for the same period in the prior fiscal year. The decrease in revenue of approximately $1.7 million was primarily due to a decline in COVID-19 testing revenue of $1.5 million.
· Gross profit for the three-month period ended March 31, 2023, was $1.8 million compared to $2.5 million for the three-month period ended March 31, 2022. The gross profit percentage remained consistent at 41% and 40% for the three-month periods ended March 31, 2023, and 2022, respectively.

· Total operating expenses were $4.5 million for the second quarter of fiscal 2023, compared to $4.6 million for the second quarter of fiscal 2022. The decrease in operating expenses of $131 thousand resulted from a decrease in research and development expenses of $81 thousand and $50 thousand in selling, general and administrative expenses during the three-month period ended March 31, 2023.
· Operating loss was $2.7 million compared to $2.2 million for the three months ended March 31, 2023, and 2022, respectively.
· Excluding non-cash expenses, Adjusted EBITDA was a negative $2.1 million for the second quarter of fiscal 2023 compared to a negative $1.6 million for the same period in fiscal 2022.
· Cash and cash equivalents stood at $12.3 million on March 31, 2023, compared with $15.2 million as of December 31, 2022.

Second Quarter Fiscal 2023 Conference Call Information

The Company will hold a conference call and webcast to discuss its second quarter of fiscal year 2023 financial results on Thursday, May 11, 2023, at 4:30 PM ET. To participate in the conference call, please follow the instructions below. While every attempt will be made to answer investors’ questions on the Q&A portion of the call, not all questions may be answered.

To Participate, please ask to be joined to the ‘Applied DNA Sciences’ call:

· Domestic callers (toll free): 844-887-9402
· Canadian callers (toll free): 866-605-3852
· International callers: 412-317-6798

Live and replay of webcast: View Source

Telephonic replay (available 1 hour following the conclusion of the live call through May 18, 2023):

· Domestic callers (toll free): 1-877-344-7529
· Canadian callers (toll free): 1-855-669-9658
· Participant Passcode: 6050560

An accompanying slide presentation will be embedded in the webcast (live and replay) and can also be accessed in the ‘Company Events’ section of the ‘News & Events’ tab of the Applied DNA investor relations website at View Source

Information about Non-GAAP Financial Measures

As used herein, "GAAP" refers to accounting principles generally accepted in the United States of America. To supplement our condensed consolidated financial statements prepared and presented in accordance with GAAP, this earnings release includes Adjusted EBITDA, which is a non-GAAP financial measure as defined in Rule 101 of Regulation G promulgated by the Securities and Exchange Commission. Generally, a non-GAAP financial measure is a numerical measure of a company’s historical or future performance, financial position, or cash flows that either excludes or includes amounts that are not normally excluded or included in the most directly comparable measure calculated and presented in accordance with GAAP. The presentation of this non-GAAP financial information is not intended to be considered in isolation or as a substitute for, or superior to, the financial information presented in accordance with GAAP. We use this non-GAAP financial measure for internal financial and operational decision-making purposes and as a means to evaluate period-to-period comparisons of the performance and results of operations of our core businesses. Our management believes that these non-GAAP financial measures provide meaningful supplemental information regarding the performance of our businesses by excluding non-cash expenses that may not be indicative of our recurring operating results. We believe this non-GAAP financial measure is useful to investors as they allow for greater transparency with respect to key metrics used by management in its financial and operational decision making.

"EBITDA"- is defined as earnings (loss) before interest expense, income tax expense and depreciation and amortization expense.

"Adjusted EBITDA"- is defined as EBITDA adjusted to exclude (i) stock-based compensation and (ii) other non-cash expenses.

AnaptysBio Announces First Quarter 2023 Financial Results and Provides Pipeline Update

On May 11, 2023 AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, reported its operating results for the first quarter ended March 31, 2023 and provided pipeline updates (Press release, AnaptysBio, MAY 11, 2023, View Source [SID1234631483]).

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"We’re excited about our progress as we continue to develop best-in-class antibodies across a number of high-value immune cell modulatory targets. We have initiated our global Phase 2b trial in moderate-to-severe atopic dermatitis (AD) for ANB032, our BTLA agonist, and will host a virtual R&D event on May 25th to highlight the biologic and mechanistic rationale for developing a BTLA agonist in AD," said Daniel Faga, interim president and chief executive officer of AnaptysBio. "We believe our checkpoint agonists, rosnilimab and ANB032, as well as our CD122 antagonist, ANB033, have the potential to treat a broad range of autoimmune and inflammatory disorders by directly acting on immune cells that mediate disease pathology, and we remain well capitalized to execute on our broad development plan."

Updates on Wholly Owned Immune Cell Modulator Pipeline

Rosnilimab (PD-1 agonist antibody)

Anticipate initiation in Q3 2023 of a global Phase 2b trial in moderate-to-severe rheumatoid arthritis (RA)
Multi-hundred patient placebo-controlled trial assessing three dose levels of subcutaneously administered rosnilimab for up to 6 months on well-established endpoints including ACR20/50/70 and DAS28
Top-line interim data anticipated by mid-year 2025
Plan to initiate second global Phase 2 trial, in an indication to be announced, by year-end 2023
ANB032 (BTLA agonist antibody)

Initiated a global Phase 2b trial in moderate-to-severe AD
160 patient placebo-controlled trial assessing three dose levels of subcutaneously administered ANB032 (randomized 1:1:1:1) for a 14-week treatment duration on well-established endpoints, including EASI75 and IGA 0/1
Top-line interim data anticipated by year-end 2024
Presented poster on Phase 1 data for ANB032, a BTLA agonist for the treatment of moderate-to-severe AD, at International Societies for Investigative Dermatology (ISID) Annual Meeting, May 11, 2023, in Japan
Planning to host a virtual BTLA Agonist (ANB032) R&D Event on Thursday, May 25, 2023 at 1:15pm PT / 4:15pm ET
Management will host the event via conference call and webcast, with an accompanying slide presentation
The live audio webcast, as well as a replay of the presentation, will be available on the investor section of the AnaptysBio website at View Source
ANB033 (anti-CD122 antagonist antibody)

Plan to submit an Investigational New Drug (IND) application in H1 2024
Updates on Legacy Clinical-Stage Cytokine Antagonist Programs Available for Out-Licensing

Announced publication of Phase 2 GALLOP data for imsidolimab, an investigational, wholly owned, anti-IL-36R antagonist IgG4 antibody in generalized pustular psoriasis (GPP) in The British Journal of Dermatology on April 30, 2023

Anticipate top-line data from the ongoing GEMINI-1 Phase 3 trial in Q4 2023
Plan to out-license imsidolimab prior to potential FDA approval
GSK Immuno-Oncology Financial Collaboration

GSK announced publication of RUBY Phase 3 clinical data for JEMPERLI (dostarlimab-gxly), an anti-PD-1 antagonist antibody discovered at AnaptysBio and licensed to GSK, in The New England Journal of Medicine and presented simultaneously at ESMO (Free ESMO Whitepaper) Virtual Plenary and SGO Annual Meeting in March 2023
JEMPERLI has the potential for a first-in-class approval in primary advanced or recurrent endometrial cancer after meeting the primary endpoint in the pivotal RUBY Phase 3 trial demonstrating JEMPERLI plus chemotherapy significantly improved PFS versus chemotherapy plus placebo
GSK plans regulatory submissions in H1 2023
GSK anticipates top-line data from the ongoing FIRST Phase 3 trial, a randomized, double-blind, comparison of platinum-based therapy with dostarlimab and niraparib versus standard of care platinum-based therapy as first-line treatment of Stage III or IV nonmucinous epithelial ovarian cancer, in H2 2023
GSK anticipates top-line data from the ongoing COSTAR Lung Phase 3 trial, a randomized, open label 3-arm trial comparing cobolimab plus dostarlimab plus docetaxel to dostarlimab plus docetaxel to docetaxel alone in patients with advanced NSCLC who have progressed on prior anti-PD-(L)1 therapy and chemotherapy, in 2024
Stock Repurchase Program and Year-End Cash Guidance

Completed Stock Repurchase Program, authorized in January 2023, of $50.0 million of the Company’s outstanding common stock
Reiterating cash runway through year-end 2026 with expected year-end 2023 cash and investments of $370 – $385 million
First Quarter Financial Results

Cash, cash equivalents and investments totaled $526.1 million as of March 31, 2023, compared to $584.2 million as of December 31, 2022, for a decrease of $58.1 million. The decrease relates primarily to cash used for the stock repurchase program and operating activities.

Collaboration revenue was $1.4 million for the three months ended March 31, 2023, compared to $1.0 million for the three months ended March 31, 2022. The change is due to increased royalties recognized for sales of JEMPERLI and Zejula in the first quarter of 2023.

Research and development expenses were $35.0 million for the three months ended March 31, 2023, compared to $22.5 million for the three months ended March 31, 2022. The increase was due primarily to manufacturing and development costs for imsidolimab, rosnilimab, ANB032 and ANB033. The R&D non-cash, stock-based compensation expense was $2.8 million for the three months ended March 31, 2023 as compared to $1.7 million in the same period in 2022.

General and administrative expenses were $10.8 million for the three months ended March 31, 2023, compared to $10.2 million for the three months ended March 31, 2022. The G&A non-cash, stock-based compensation expense was $6.1 million for the three months ended March 31, 2023 and 2022.

Net loss was $44.3 million for the three months ended March 31, 2023, or a net loss per share of $1.58, compared to a net loss of $36.3 million for the three months ended March 31, 2022, or a net loss per share of $1.31.

ALX Oncology Reports First Quarter 2023 Financial Results and Provides Clinical Development and Operational Highlights

On May 11, 2023 ALX Oncology Holdings Inc., ("ALX Oncology") (Nasdaq: ALXO), a clinical-stage immuno-oncology company developing therapies that block the CD47 checkpoint pathway, reported financial results for the first quarter ended March 31, 2023 and provided clinical development and operational highlights (Press release, ALX Oncology, MAY 11, 2023, View Source [SID1234631482]).

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"In the first quarter of 2023, we continued to make significant progress in advancing our lead program, evorpacept, through new collaborations and clinical trial starts," said Dr. Jaume Pons, Founder, President and Chief Executive Officer of ALX Oncology. "This included our recently announced clinical trial collaboration with Sanofi to evaluate evorpacept in combination with SARCLISA in patients with multiple myeloma, and the initiation of three new clinical studies. These studies encompass our initiation of a Phase 1 trial in urothelial cancer in combination with PADCEV, the initiation of a Phase 1 I-SPY-PI TRIAL for the treatment of patients with unresectable or metastatic HER-positive and HER2-low breast cancer in combination with ENHERTU in partnership with Quantum Leap Healthcare Collaborative ("Quantum Leap"), and the recently announced initiation of a Phase 2 investigator-sponsored trial of evorpacept, in combination with liposomal doxorubicin and KEYTRUDA in patients with recurrent platinum-resistant ovarian cancer."

Dr. Pons added, "We look forward to important readouts in the second half of 2023 from ASPEN-06, a randomized Phase 2 trial of evorpacept in combination with trastuzumab, paclitaxel and CYRAMZA (ramucirumab) for the treatment of patients with HER2-positive gastric/gastroesophageal junction cancer, and from ASPEN-02, a Phase 1b clinical trial of evorpacept in combination with azacitidine in patients with myelodysplastic syndromes. Additionally, in collaboration with Tallac Therapeutics, we remain on track to file an Investigational New Drug application in the first half of this year for ALTA-002, a SIRPa Toll-like receptor agonist antibody conjugate, that will broaden our immuno-oncology pipeline beyond evorpacept."

Recent Clinical Developments for Evorpacept

First patient dosed in Phase 2 investigator-sponsored trial of evorpacept in combination with KEYTRUDA in patients with ovarian cancer.
In May 2023, we announced the initiation of a Phase 2 investigator-sponsored trial of evorpacept in combination with liposomal doxorubicin and KEYTRUDA (pembrolizumab) in patients with recurrent platinum-resistant ovarian cancer at the UPMC Hillman Cancer Center. This is an open-label, single-arm Phase 2 clinical trial. The study is being led by Haider Mahdi, M.D., M.P.H., Assistant Professor, Department of Obstetrics, Gynecology and Reproductive Sciences, The University of Pittsburgh and UPMC Magee-Womens Research Institute.
Announced clinical trial collaboration with Sanofi to evaluate evorpacept in combination with SARCLISA in patients with multiple myeloma.
In April 2023, we entered into a clinical trial collaboration and supply agreement with Sanofi to evaluate evorpacept and SARCLISA (isatuximab-irfc), Sanofi’s monoclonal antibody that targets a specific epitope on the CD38 receptor on multiple myeloma cells, for the treatment of patients with relapsed or refractory multiple myeloma ("RRMM"). Under the terms of the agreement, Sanofi will conduct a Phase 1/2 study to evaluate the safety, efficacy, pharmacokinetics and biomarker data of evorpacept in combination with SARCLISA and dexamethasone in patients with RRMM.
First patient dosed in I-SPY-PI TRIAL evaluating evorpacept in combination with ENHERTU, a HER2 directed antibody-drug conjugate ("ADC"), in breast cancer.
In March 2023, we announced the dosing of the first patient in the I-SPY-PI TRIAL for the treatment of patients with breast cancer. Sponsored by Quantum Leap, this Phase 1 (open label), multi-center study arm is investigating evorpacept in combination with ENHERTU (fam-trastuzumab deruxtecan-nxki) to determine the safety, tolerability and efficacy of this drug combination in patients with unresectable or metastatic HER2-positive and HER2-low breast cancer.
First patient dosed in ASPEN-07 study evaluating evorpacept in combination with PADCEV, an ADC, in patients with urothelial cancer ("UC").
In February 2023, we announced the first patient was dosed in the Phase 1 ASPEN-07 study evaluating evorpacept in combination with PADCEV (enfortumab vedotin-ejfv), an ADC, in patients with UC. ASPEN-07 is a Phase 1, open-label, multi-center study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of evorpacept in combination with PADCEV in subjects with unresectable locally advanced or metastatic UC.
First Quarter 2023 Financial Results:

Cash, Cash Equivalents and Investments: Cash, cash equivalents and investments as of March 31, 2023 were $256.2 million. ALX Oncology believes its cash, cash equivalents, investments along with the ability to draw down an additional $40 million of its term loan are sufficient to fund planned operations through mid-2025.

Research and Development ("R&D") Expenses: R&D expenses consist primarily of pre-clinical, clinical and manufacturing expenses related to the development of the Company’s current lead product candidate, evorpacept, and R&D employee-related expenses. These expenses for the three months ended March 31, 2023 were $24.8 million, compared to $17.1 million for the prior-year period. The increase was primarily due to an increase of $5.3 million in clinical costs from an increase in the number of active trials and patient enrollment as well as manufacturing of clinical trial materials to support a higher number of active clinical trials and future expected patient enrollment related to the advancement of evorpacept, an increase of $1.5 million in personnel and related costs primarily driven by headcount growth, and an increase of $1.1 million in stock-based compensation expense due to additional awards granted since March 31, 2022 offset by a decrease of $0.6 million related to the Tallac Collaboration for costs related to the IND filing planned for 2023 in which the primary work was completed in 2022.

General and Administrative ("G&A") Expenses: G&A expenses consist primarily of administrative employee-related expenses, legal and other professional fees, patent filing and maintenance fees, and insurance. These expenses for the three months ended March 31, 2023 were $7.4 million, compared to $7.7 million for the prior-year period. The small decrease year over year was primarily attributable to reduced stock-based compensation expense primarily due to forfeited stock options during the quarter and a decrease in other general and administrative costs due primarily to corporate legal and patent costs.

Net loss: GAAP net loss was $30.2 million for the first quarter ended March 31, 2023, or $0.74 per basic and diluted share, as compared to GAAP net loss of $24.5 million for the first quarter ended March 31, 2022, or $0.60 per basic and diluted share. Non-GAAP net loss was $23.8 million for the first quarter ended March 31, 2023, as compared to a non-GAAP net loss of $19.0 million for the first quarter ended March 31, 2022. A reconciliation of GAAP to non-GAAP financial results can be found at the end of this press release.