Helix BioPharma Corp is a clinical-stage biopharmaceutical company developing therapies in immune-oncology focused on cancer prevention and treatment. The Company is developing a proprietary platform of bio-conjugates targeting hard-to-treat solid tumors over-expressing CEACAM6, including Tumor Defense Breaker, L-DOS47, and three CEACAM6-specific antibody-drug conjugates. Its pre-IND candidates include LEUMUNA, an oral immune checkpoint modulator for hematological malignancies, and GEMCEDA, an oral prodrug of gemcitabine for solid tumors.