Leap Therapeutics and Macrocure Announce Definitive
Merger Agreement

CAMBRIDGE, Mass. and PETACH TIKVA, Israel – August 29, 2016 - Leap Therapeutics, Inc., a clinical stage immuno-oncology company, and Macrocure Ltd. (NASDAQ: MCUR) today announced the signing of a definitive merger agreement.  Under the terms of the agreement, Macrocure will become a wholly owned subsidiary of Leap, and Leap will become a public company.  In connection with the transaction, Leap will apply to have the shares of the combined entity listed for trading on NASDAQ upon completion of the merger.

Under the terms of the agreement, Macrocure shareholders will exchange their Macrocure shares for newly issued shares of Leap common stock.  In addition, existing Leap investors, including entities affiliated with HealthCare Ventures, have committed to invest an additional $10 million at the closing of the transaction.  On a pro forma basis, after giving effect to the merger and the investment, Macrocure equity holders are expected collectively to own approximately 31.8%, and Leap equity holders are expected collectively to own approximately 68.2% of the combined company, subject to certain possible adjustments based on Macrocure's net cash level at closing. Existing Leap shareholders will receive the right to a royalty, under certain circumstances, based on future net sales.  The combined company is expected to have a minimum of $30 million of cash at closing to finance future operations.

“The combination with Macrocure positions our organization as a leading immuno-oncology company with sufficient capital to advance our pipeline of first-in-class monoclonal antibodies through significant value-creating events,” commented Christopher K. Mirabelli, PhD, CEO of Leap.  “Importantly, we anticipate achieving substantial clinical milestones over the course of 2016 and 2017.  We plan to present data and initiate randomized studies for DKN-01, our lead development candidate, which has demonstrated clinical activity in esophageal cancer and cholangiocarcinoma when combined with chemotherapy; and we expect to report data from a repeat-dose study of TRX518, a novel GITR agonist monoclonal antibody which is believed to enhance an immune anti-tumor response.”
 

“After careful review of many alternatives, the executive team and Board of Directors of Macrocure believe this transaction provides great potential for our shareholders,” said Nissim Mashiach, President and Chief Executive Officer of Macrocure Ltd.  “Leap Therapeutics has a maturing pipeline of novel drug candidates focused on key immuno-oncology targets that are designed to provide new and valuable treatment options for patients suffering from aggressive cancers.  Furthermore, Leap’s experienced management team has a track record relating to public and private companies and drug development success.”

The executive team of Leap Therapeutics will remain in their positions in the combined entity that will be based out of Leap Therapeutics’ current corporate office in Cambridge, Massachusetts.  The combined entity’s leadership team will consist of Christopher K. Mirabelli, PhD, who will serve as Chief Executive Officer and Chairman of the Board of Directors, Augustine Lawlor as Chief Operating Officer, and Douglas E. Onsi as Chief Financial Officer.  At the closing, two Macrocure designated individuals, including Nissim Mashiach, will join Leap’s Board of Directors.

The Board of Directors of both companies have unanimously approved the proposed merger.  Macrocure’s shareholders who hold approximately 51% of Macrocure’s voting shares, have entered into agreements in support of the proposed transaction.  While these agreements assure the approval of the merger, all Macrocure shareholders will be asked to vote on the merger at a meeting of shareholders.  Additionally, entities affiliated with HealthCare Ventures and Eli Lilly, which own all of Leap's outstanding voting shares, have entered into agreements in support of the proposed transaction.  The transaction is expected to close near year-end, subject to shareholder approval and other customary closing conditions which are set forth in the merger agreement.

Raymond James is serving as exclusive financial advisor to Macrocure Ltd.

Leap expects to file a registration statement on Form S-4 with the U.S. Securities and Exchange Commission to register the shares of common stock to be issued in the merger.  The registration statement will contain more detailed information about the transaction, as well as information about the respective companies. In addition, Macrocure expects to file a current report on Form 6-K shortly regarding the transaction. Macrocure also will be mailing a proxy statement to its shareholders, which will be filed on a current report on Form 6-K and attached as an appendix to Leap’s Form S-4 registration statement.  

About DKN-01

DKN-01 is a humanized monoclonal IgG4 monoclonal antibody with neutralizing activity against the Dickkopf-1 protein. DKN-01 is currently being studied in clinical trials in esophageal cancer and cholangiocarcinoma.  DKN-01 demonstrated clinical activity as a single agent in patients with non-small cell lung cancer in a Phase 1 dose escalation study that was presented at the American Society for Clinical Oncology (ASCO) 2014 Annual Meeting and in combination with paclitaxel in patients with esophageal cancer in a study that was presented at the European Society for Medical Oncology (ESMO) World GI Congress in 2016.  Additional data from the study of DKN-01 plus the combination of gemcitabine and cisplatin in patients with cholangiocarcinoma will be presented at the ESMO Annual Meeting in October 2016.

About TRX518

TRX518 is a humanized aglycosyl IgG1 monoclonal antibody with agonist activity targeting GITR.  TRX518 has been shown to bind and activate GITR through bivalent binding to the receptor.  TRX518 was engineered to remove Fc-receptor interactions to prevent complement-mediated cytolysis and antibody-mediated depletion of leukocytes expressing GITR.  TRX518 surrogate antibodies have been effective in preclinical animal models, prolonging survival or enhancing immune responses when combined with chemotherapeutics and checkpoint inhibitors.  Initial clinical data on TRX518 was presented at the ASCO 2016 Annual Meeting.

About Leap Therapeutics

Leap Therapeutics’ most advanced clinical candidate, DKN-01, is a humanized monoclonal antibody targeting the Dickkopf-1 (DKK1) protein. DKN-01 is in clinical trials in patients with gastroesophageal cancer in combination with paclitaxel and in patients with biliary tract cancers in combination with gemcitabine and cisplatin. Leap’s second clinical candidate, TRX518, is a novel, humanized GITR agonist monoclonal antibody designed to enhance the immune system’s anti-tumor response. Leap has signed a Merger Agreement with Macrocure Ltd (Nasdaq:MCUR) that is expected to result in Leap becoming a public company that will trade on The Nasdaq Global Market under the symbol “LPTX.” For more information about Leap Therapeutics, visit http://www.leaptx.com or our public filings with the SEC that are available via EDGAR at http://www.sec.gov.

FORWARD LOOKING STATEMENTS

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934 and the Private Securities Litigation Reform Act of 1995, which involve risks and uncertainties. These statements include statements relating to Leap’s expectations with respect to the development and advancement of DKN-01, TRX518, and other programs, including the initiation, timing and design of future studies, enrollment in future studies, business development, and other future expectations, plans and prospects. Leap has attempted to identify forward looking statements by such terminology as ‘‘believes,’’ ‘‘estimates,’’ ‘‘anticipates,’’ ‘‘expects,’’ ‘‘plans,’’ ‘‘projects,’’ ‘‘intends,’’ ‘‘may,’’ ‘‘could,’’ ‘‘might,’’ ‘‘will,’’ ‘‘should,’’ or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. Although Leap believes that the expectations reflected in such forward-looking statements are reasonable as of the date made, forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from our expectations. These risks and uncertainties include, but are not limited to: the accuracy of our estimates regarding expenses, future revenues, capital requirements and needs for financing; the ability to complete a financing or form business development relationships to fund our expenses; the outcome, cost, and timing of our product development activities and clinical trials; the uncertain clinical development process, including the risk that clinical trials may not have an effective design or generate positive results; our ability to obtain and maintain regulatory approval of our drug product candidates; our plans to research, develop, and commercialize our drug product candidates; our ability to achieve market acceptance of our drug product candidates; unanticipated costs or delays in research, development, and commercialization efforts; the applicability of clinical study results to actual outcomes; the size and growth potential of the markets for our drug product candidates; our ability to continue obtaining and maintaining intellectual property protection for our drug product candidates; and other risks. Detailed information regarding factors that may cause actual results to differ materially will be included in Leap Therapeutics’ periodic filings with the Securities and Exchange Commission (the "SEC"), including Leap Therapeutics’ Form 10-K that Leap filed with the SEC on February 23, 2018. These statements are only predictions and involve known and unknown risks, uncertainties, and other factors. Any forward looking statements contained in this release speak only as of its date. We undertake no obligation to update any forward-looking statements contained in this release to reflect events or circumstances occurring after its date or to reflect the occurrence of unanticipated events.

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CONTACT:
Leap Therapeutics, Inc.:
Douglas E. Onsi
Chief Financial Officer
donsi@leaptx.com

617-714-0360

 

Argot Partners:
Heather Savelle
Mary Jenkins
617-663-4863
heather@argotpartners.com

mary@argotpartners.com

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