On November 6, 2024 Adicet Bio, Inc. (Nasdaq: ACET), a clinical stage biotechnology company discovering and developing allogeneic gamma delta T cell therapies for autoimmune diseases and cancer, reported financial results and operational highlights for the third quarter ended September 30, 2024 (Press release, Adicet Bio, NOV 6, 2024, View Source [SID1234647871]).

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"Our commitment to delivering best-in-class gamma delta 1 T cell therapies for patients battling autoimmune diseases and cancer is reflected in the expansion of our clinical pipeline in the third quarter. We are now investigating ADI-001 across six autoimmune indications to provide potentially transformative curative therapies for these debilitating diseases. Additionally, in the fourth quarter we plan to open enrollment for our Phase 1 trial of ADI-270 in patients with metastatic/advanced clear cell renal cell carcinoma (ccRCC), our first gamma delta 1 CAR T cell therapy for solid tumors. This progress highlights the broad and important potential applications of our gamma delta platform," said Chen Schor, President and Chief Executive Officer. "Looking ahead, we anticipate advancing enrollment in these trials and expect to share preliminary clinical data from both lupus nephritis with ADI-001 and metastatic/advanced ccRCC with ADI-270 in the first half of 2025."

Third Quarter 2024 and Recent Operational Highlights:

Autoimmune diseases

Activated clinical sites in ADI-001 Phase 1 trial in autoimmune diseases. In September 2024, Adicet activated sites for its Phase 1 clinical trial of ADI-001 in autoimmune diseases. The company is exploring the potential of ADI-001 across six indications including LN, systemic lupus erythematosus (SLE), systemic sclerosis (SSc), idiopathic inflammatory myopathy (IIM), stiff person syndrome (SPS) and anti-neutrophil cytoplasmic autoantibody (ANCA) associated vasculitis (AAV). The Company opened enrollment for patients with LN in 4Q24 and expects to initiate enrollment for patients with SLE, SSc, IIM, and SPS in 1Q25, and for patients with AAV in 2H25. The Company plans to report preliminary clinical data from the Phase 1 clinical study of ADI-001 in LN in 1H25, and for other autoimmune diseases in 2H25, subject to study site initiation and patient enrollment.
FDA clearance of IND amendment to evaluate ADI-001 in IIM and SPS. In October 2024, Adicet announced that the U.S. Food and Drug Administration (FDA) cleared the Company’s Investigational New Drug (IND) amendment application to evaluate ADI-001 in IIM and SPS as part of the Phase 1 clinical trial in autoimmune diseases.
Presented ADI-001 clinical biomarker data demonstrating robust tissue trafficking and complete B cell depletion in secondary lymphoid tissue. In September 2024, Adicet presented clinical biomarker data from the Phase 1 GLEAN trial of ADI-001 at the 9th Annual CAR-TCR Summit. The data demonstrated robust tissue trafficking resulting in high levels of ADI-001, significant chimeric antigen receptor (CAR) T cell activation, and complete CD19+ B cell depletion in secondary lymphoid tissue. These findings further reinforce ADI-001’s potential as a best-in-class allogeneic cell therapy for autoimmune diseases.
Presentation of ADI-001 clinical data at the American College of Rheumatology (ACR) Convergence 2024. In November 2024, Adicet will present an oral abstract highlighting previously presented ADI-001 clinical biomarker data at ACR Convergence 2024 taking place November 14-19 in Washington, D.C.
Hematologic malignancies and solid tumor indications

ADI-270 Fast Track Designation in metastatic/ advanced ccRCC. In July 2024, Adicet announced that the FDA granted ADI-270 Fast Track Designation for the potential treatment of patients with metastatic/advanced ccRCC who have been treated with an immune checkpoint inhibitor and a vascular endothelial growth factor inhibitor.
Presented ADI-270 data at the American Society of Gene & Cell Therapy’s (ASGCT) (Free ASGCT Whitepaper) 2024 Advancing Gene + Cell Therapies for Cancer conference. In October 2024, Adicet presented ADI-270 data in an oral presentation at the ASGCT (Free ASGCT Whitepaper) 2024 Advancing Gene and Cell Therapies for Cancer conference.
Corporate Updates

Appointed Lloyd Klickstein, M.D., Ph.D. to Board of Directors. In August 2024, Adicet appointed Dr. Lloyd Klickstein to its Board of Directors. Dr. Klickstein brings over two decades of leadership experience in the biopharmaceutical industry and biomedical research, and expertise in rheumatology and immunology to Adicet. Dr. Klickstein currently serves as President and Chief Executive Officer of Koslapp Therapeutics, Inc. and is the Board Chair of the Lupus Foundation of New England.
Financial Results for Third Quarter 2024:

Research and Development (R&D) Expenses: R&D expenses were $26.3 million for the three months ended September 30, 2024, compared to $26.2 million during the same period in 2023. The increase in R&D expenses was primarily due to a $0.9 million increase in laboratory expenses, a $0.8 million increase in payroll and personnel expenses as well as a less than $0.1 million increase in professional fees for the period. This increase was partially offset by a $1.3 million decrease in expenses related to contract development manufacturing organizations and other externally conducted research and development and a $0.4 million decrease in allocated facility expenses.
General and Administrative (G&A) Expenses: G&A expenses were $6.9 million for the three months ended September 30, 2024, compared to $6.6 million during the same period in 2023. The increase in general and administrative expenses was primarily due to a $0.3 million increase in payroll and personnel expenses.
Net Loss: Net loss for the three months ended September 30, 2024 was $30.5 million, or a net loss of $0.34 per basic and diluted share, including non-cash stock-based compensation expense of $6.8 million, as compared to a net loss of $49.9 million, or a net loss of $1.16 per basic and diluted share, including non-cash goodwill impairment expense of $19.5 million and non-cash stock-based compensation expense of $5.6 million during the same period in 2023.
Cash Position: Cash, cash equivalents and short-term investments in treasury securities were $202.1 million as of September 30, 2024, compared to $159.7 million as of December 31, 2023. The Company expects that current cash, cash equivalents and short-term investments as of September 30, 2024, will be sufficient to fund its operating expenses into the second half of 2026.