A biotechnology company focused on developing targeted and immuno-oncology therapeutics, today reported updated results from Part B of the DeFianCe study (NCT05480306), a Phase 2 study of sirexatamab (DKN-01), an anti-DKK1 monoclonal antibody, in combination with bevacizumab and chemotherapy (Sirexatamab Arm) compared to bevacizumab and chemotherapy (Control Arm) in patients with advanced microsatellite stable (MSS) colorectal cancer (CRC) who have received one prior systemic therapy for advanced disease. Due to the Company’s financial position, Leap’s Board of Directors is taking further steps to preserve capital and has initiated a process to explore strategic options to preserve and maximize shareholder value.
“Sirexatamab demonstrated a statistically significant benefit in patients with high levels of DKK1, no prior exposure to anti-VEGF therapy, or liver metastasis, with a positive trend on ORR and PFS in the full second-line CRC population. With the additional patient follow-up, we believe that the objectives of the DeFianCe study have been achieved. On behalf of everyone at Leap, I thank all the patients and physicians who have participated in our sirexatamab clinical trials,” said Douglas E. Onsi, President and Chief Executive Officer of Leap. “However, due to current market conditions, we have decided to wind-down the DeFianCe clinical trial and further reduce internal expenses. In parallel, we have initiated a review of the full range of strategic alternatives to maximize shareholder value.”
Leap is taking additional steps to reduce spending and preserve capital. Over the next two months as the DeFianCe study completes, the Company will implement a workforce reduction of approximately 75%. The total cash payments and costs related to this reduction in force, including severance payments, are estimated to be approximately $3.2 million. The majority of these costs will be recognized in the third quarter of 2025. The Company’s cash and cash equivalents totaled $32.7 million as of March 31, 2025.
Leap has initiated a process to explore strategic alternatives to preserve and maximize shareholder value, including leveraging its cash balance and exploring potential sale or partnership opportunities for sirexatamab and FL-501. The Company’s Board of Directors has approved the engagement of Raymond James & Associates, Inc. to serve as exclusive financial advisor to assist in the strategic evaluation process.
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