
The world is full of brilliant minds who push the boundaries of knowledge. It is remarkable when they commit to utilizing their expertise to advance their field and impact people's lives meaningfully. When they unite under a shared mission, the results can be revolutionary. This is the case with Helix BioPharma, where a growing team of world-class scientists, medical professionals, and industry leaders have gathered to challenge the status quo in oncology and bring life-changing therapies to patients.
Helix BioPharma is a clinical-stage biopharmaceutical company aiming to turn scientific breakthroughs into real-world solutions for some of the most difficult-to-treat cancers. It stands out in an industry where the rush to create the holy grail of cancer treatments can overshadow prioritizing the immediate needs of patients.
Instead of reinventing the wheel, Helix BioPharma focuses on what is already known about cancer biology to deliver effective solutions, faster. It understands that lives are lost to aggressive cancers every day. Hence, a sense of urgency drives the company to translate scientific discoveries into therapies that can be brought to market efficiently and responsibly.
The CEACAM6 Platform is integral to Helix BioPharma's innovation strategy. Carcinoembryonic Antigen-Related Cell Adhesion Molecule 6 (CEACAM6) is a protein that plays a critical role in tumor aggression and progression. The company developed a proprietary platform of bio-conjugates utilizing CEACAM6 as a target to treat solid tumors that need more effective therapeutic options.
Helix BioPharma's lead candidate is L-DOS47, representing a game-changing approach to treat non-small cell lung cancer (NSCLC). Traditional therapies usually struggle against the tumor microenvironment (TME), a hostile, acidic environment that shields cancer cells from immune attack. L-DOS47 is designed to neutralize this defense barrier.
L-DOS47 neutralizes the tumor's acidic pH by binding with high specificity to CEACAM6-expressing tumor cells, earning L-DOS47 the name TUMOR DEFENCE BREAKER™. Dr. Thomas Mehrling, Chief Medical Officer of Helix BioPharma, explains: "L-DOS47 doesn't just target cancer. It changes the battlefield. It takes the brakes off the immune system by neutralizing the acidic tumor microenvironment. That's how it allows existing therapies to work better. We're not replacing chemotherapy or immunotherapy; we're improving their efficiency."
Clinical evidence supports this approach. In Phase I/IIa trials, L-DOS47 demonstrated safety and efficacy, particularly in combination with pemetrexed and carboplatin (two commonly used chemotherapy agents). Among evaluable patients with recurrent or metastatic NSCLC, 42% showed partial tumor response. Meanwhile, 33% had stable disease. This figure translates to an overall clinical benefit rate of 75%.
Dr. Robert Gillies of the Moffitt Cancer Center has emphasized the importance of this breakthrough. Dr. Gillies highlighted that Helix BioPharma's technology, which offers a direct and precise method for neutralizing tumor acidity, presents massive potential. Essentially, he's optimistic that Helix's innovative approach could lead to more effective cancer treatments.
Helix BioPharma also brings hope to leukemia patients with LEUMUNA™ (LR 09). This oral immune checkpoint modulator can benefit patients with relapsed leukemia after allogeneic stem cell transplantation (allo-SCT). It can initiate a graft-versus-leukemia effect, activating the transplanted immune system to recognize and attack the leukemia cells.
LEUMUNA™ is a compound with unique properties as a purine nucleoside phosphorylase (PNP) inhibitor and was recently discovered to be an immune checkpoint modulator through a research collaboration with UCLA.
A compelling case involving a three-year-old pediatric patient with relapsed T-cell acute lymphoblastic leukemia (T-ALL) illustrates its potential. After a bone marrow transplant, the child's leukemia returned, leaving few viable treatment options. However, when treated with forodesine (also a PNP inhibitor and an analog compound of LEUMUNA), the patient achieved complete remission. She remains cancer-free to this day.
"Cases like this fuel our passion," says Dr. Mehrling. "When you see a patient who was given no hope go on to live a full life, it reminds us why we do what we do. We don't focus on discovering the next big thing. Our goal is to make sure that people get real solutions today."
Besides Tumor Defense Breaker™ and LEUMUNA™, GEMCEDA™ is included in Helix's pipeline. The company acknowledges that traditional intravenous (IV) delivery for chemotherapy can be physically demanding and time-consuming for patients. GEMCEDA™ can help address this as a first-in-class oral prodrug of gemcitabine (a widely used chemotherapy drug) combined with cedazuridine (a compound that increases its bioavailability). This innovation makes maintenance therapy and combination treatments more accessible and less taxing for patients. "The key challenge with formulating gemcitabine for oral use has been achieving sufficiently high therapeutic drug levels in the bloodstream; we have overcome this challenge with GEMCEDA," states Dr. Davide Guggi, Chief Technology Officer.
However, Helix BioPharma also has its sights on the future and is currently developing next-generation antibody-drug conjugates (ADCs) targeting CEACAM6 in gastrointestinal and gynecological cancers. These highly selective bioconjugates leverage cutting-edge linker systems and multi-payload strategies to maximize tumor penetration and minimize resistance.
Ultimately, Helix BioPharma stands out for its purpose-driven innovation. It's poised to redefine how hard-to-treat cancers are tackled with a world-class stream, a robust scientific foundation, a deep sense of urgency, and a commitment to making a vast impact. Helix invites like-minded organizations to join its mission through investments and partnerships.