Helix BioPharma Corp. a clinical-stage biopharmaceutical company developing therapies in the field of immune-oncology in Canada. Its product pipeline comprises L-DOS47, a clinical-stage antibody-enzyme conjugate (AEC) that neutralizes the microenvironment of solid tumors; LDOS001, which is in phase I clinical trial to treat non-small cell lung cancer; LDOS002, which is in phase I/II clinical trial for the treatment of non-small cell lung cancer; LDOS003, which is in phase II clinical trial to tr...