1. Leap Therapeutics will present final DeFianCe study results at ESMO 2025. 2. Sirexatamab is tested with bevacizumab in advanced colorectal cancer. 3. The presentation will occur on October 19, 2025, in Berlin. 4. Study results may influence market perception of LPTX's potential. 5. FDA feedback and study outcomes are pivotal for LPTX's future.
The upcoming presentation at a major conference may generate positive interest and investor confidence in LPTX, especially if the study results show efficacy. Similar situations in the biotech sector have often resulted in stock price increases following successful clinical trial announcements.
The study's results are critical for LPTX's pipeline and overall market perception. An effective presentation at ESMO can lead to increased partnerships or investments.
The impact from the presentation is immediate, tied to the conference date. Historical examples show biotech stocks can react quickly to news, particularly from pivotal study results.
CAMBRIDGE, Mass., Sept. 25, 2025 /PRNewswire/ -- Leap Therapeutics, Inc. (NASDAQ: LPTX), a biotechnology company focused on developing targeted and immuno-oncology therapeutics, today announced it will present the final clinical 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. The final results will be presented in a Mini Oral Session at the European Society for Medical Oncology (ESMO) Congress 2025, taking place October 17-21 in Berlin, Germany.
Mini Oral Session Details:
Title: DeFianCe Trial: A randomized phase 2 trial of sirexatamab (DKN-01) plus bevacizumab and chemotherapy versus bevacizumab and chemotherapy as second-line therapy in advanced microsatellite stable (MSS) colorectal cancer (CRC)
Presenter: Zev A. Wainberg, M.D., Professor of Medicine and Co-Director of the GI Oncology Program at UCLA
Session Type: Mini Oral Session
Session Category: GI Tumours, Lower Digestive
Date and Time: Sunday, October 19, 2025, 4:05 p.m. CEST
Location: Cologne Auditorium – CityCube A
Abstract Number: LBA34
About Leap Therapeutics
Leap Therapeutics (NASDAQ: LPTX) is focused on developing targeted and immuno-oncology therapeutics. Leap's pipeline includes sirexatamab (DKN-01), a humanized monoclonal antibody targeting the Dickkopf-1 (DKK1) protein, and FL-501, a humanized monoclonal antibody targeting the growth and differentiation factor 15 (GDF-15) protein. For more information about Leap Therapeutics, visit http://www.leaptx.com or view our public filings with the SEC that are available via EDGAR at http://www.sec.gov or via https://investors.leaptx.com/.
FORWARD-LOOKING STATEMENTS
This press release contains forward-looking statements within the meaning of the federal securities laws. Such statements are based upon current plans, estimates and expectations of the management of Leap that are subject to various risks and uncertainties that could cause actual results to differ materially from such statements. The inclusion of forward-looking statements should not be regarded as a representation that such plans, estimates and expectations will be achieved. Words such as "anticipate," "expect," "project," "intend," "believe," "may," "will," "should," "plan," "could," "continue," "target," "contemplate," "estimate," "forecast," "guidance," "predict," "possible," "potential," "pursue," "likely," and words and terms of similar substance used in connection with any discussion of future plans, actions or events identify forward-looking statements.
All statements, other than historical facts, including statements regarding the potential safety, efficacy, and regulatory and clinical progress of Leap's product candidates, including sirexatamab and FL-501; Leap's plan to reduce clinical and operational activities, reduce spending and conserve cash, explore strategic alternatives to preserve and maximize shareholder value, including by leveraging its cash balance and potentially selling or partnering sirexatamab or FL-501; and any assumptions underlying any of the foregoing, are forward-looking statements. Important factors that could cause actual results to differ materially from Leap's plans, estimates or expectations could include, but are not limited to: (i) Leap's ability to successfully sell or enter into partnerships for sirexatamab or FL-501; (ii) the cost and timeline to complete the DeFianCe Study and wind-down operations; (iii) any regulatory feedback that Leap may receive from U.S. Food and Drug Administration (FDA) or equivalent foreign regulatory agency or from site institutional review boards; and (iv) the availability of strategic alternatives that would preserve or generate any shareholder value. New risks and uncertainties may emerge from time to time, and it is not possible to predict all risks and uncertainties. No representations or warranties (expressed or implied) are made about the accuracy of any such forward-looking statements. Leap may not actually achieve the forecasts disclosed in such forward-looking statements, and you should not place undue reliance on such forward-looking statements. Such forward-looking statements are subject to a number of material risks and uncertainties including but not limited to those set forth under the caption "Risk Factors" in Leap's most recent Annual Report on Form 10-K filed with the SEC, as well as discussions of potential risks, uncertainties, and other important factors in its subsequent filings with the SEC. Any forward-looking statement speaks only as of the date on which it was made. Neither Leap, nor any of its affiliates, advisors or representatives, undertake any obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by law. These forward-looking statements should not be relied upon as representing Leap's views as of any date subsequent to the date hereof.
CONTACT:
Douglas E. Onsi
President & Chief Executive Officer
Leap Therapeutics, Inc.
617-714-0360
donsi@leaptx.com
Matthew DeYoung
Investor Relations
Argot Partners
212-600-1902
leap@argotpartners.com
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SOURCE Leap Therapeutics, Inc.