- Business
- Helix BioPharma Corp Helix BioPharma Corp. is a clinical-stage biopharmaceutical company focused on developing innovative therapies in immuno-oncology for the prevention and treatment of hard-to-treat cancers, including solid tumors and hematological malignancies; its lead product candidate, L-DOS47 (Tumor Defense Breaker), is a first-in-class antibody-enzyme conjugate targeting CEACAM6-overexpressing tumors such as non-small cell lung cancer, designed to neutralize the acidic tumor microenvironment and enhance immune checkpoint inhibitors like pembrolizumab, with Phase Ib trials completed; additional pipeline assets include LEUMUNA, an oral immune checkpoint modulator for post-allogeneic stem cell transplant leukemia relapse with US FDA Orphan Drug Designation and patent protection to 2041, and GEMCEDA, an oral prodrug of gemcitabine offering near-intravenous bioavailability for advanced cancers with patent coverage to 2043; the company also advances three CEACAM6-specific antibody-drug conjugates in discovery. Founded in 1995 and headquartered at Bay Adelaide Centre – North Tower, 40 Temperance Street, Suite 2, Toronto, Ontario, Canada, Helix BioPharma Corp. operates primarily in Canada with international clinical development activities. Recent developments include entering an asset purchase agreement in November 2024 with Laevoroc Immunology AG to acquire oral immune checkpoint assets, revising acquisition agreements with Laevoroc Immunology AG and Laevoroc Chemotherapy AG in December 2024 to finalize share consideration ahead of financing, completing the acquisition of certain oncology assets from Laevoroc entities in May 2025, and signing a capital-raising agreement in May 2025 with Kerentech Consulting Ltd. to support a USD 13 million bridge financing round aimed at advancing L-DOS47 and other priorities through 2025 and beyond.