First Patient Dosed in a Phase II Randomized Study of L-DOS47 With Vinorelbine and Cisplatin

RICHMOND HILL, ONTARIO- Helix BioPharma Corp. (TSX: HBP), (FSE: HBP) (“Helix” or the “Company”), an immuno-oncology company developing innovative drug candidates for the prevention and treatment of cancer, is pleased to announce the first patient has been successfully dosed with L-DOS47, vinorelbine and cisplatin in its Phase IIB, open-label, randomized study in metastatic lung adenocarcinoma patients (LDOS003 study). The goals of the study are to compare the safety, tolerability and preliminary efficacy of L-DOS47 in combination with vinorelbine/cisplatin as compared to vinorelbine/cisplatin alone, in patients with lung cancer.