iOnctura’s Cambritaxestat Gets Orphan Drug Designation

US FDA grants orphan drug designation to iOnctura’s autotaxin inhibitor cambritaxestat to treat pancreatic cancer

iOnctura, a pioneering, clinical-stage biotechnology company developing transformative cancer therapies, announces that the US Food and Drug Administration (FDA) has granted Orphan Drug Designation (ODD) to its autotaxin inhibitor cambritaxestat for the treatment of pancreatic cancer.

ODD Based on Effectiveness

• After assessing its novel chemical and biological properties including an attractive non-clinical safety and efficacy profile, the US FDA has granted Orphan Drug Status, conferring certain benefits during development and commercialization.
• Following a separate submission process the World Health Organization has proposed the International Nonproprietary Name (INN) of cambritaxestat.

Work on Cambritaxestat

• Cambritaxestat is being developed as a first-in-class therapy for highly fibrotic cancer indications. 
• The drug’s lead indication is metastatic pancreatic cancer where it is being combined with standard of care nab-paclitaxel and gemcitabine in the phase I AION-02 study.

Novel Strategy for Basic Mechanism

Inhibition of autotaxin is a novel treatment strategy that offers a three-pronged attack on the tumour through direct cancer cell inhibition, immune effector stimulation and inhibition of fibrotic processes, giving drugs and immune cells better access to the tumour.

Cambritaxestat Effectiveness Against Metastasis

• Translational research showing the potential of cambritaxestat in multiple cancer models, including pancreatic cancer, has recently been published in the ESMO journal Immuno-Oncology and Technology (IOTECH), Cancer Research, the Journal of Experimental & Clinical Cancer Research, and Cancers. 
• Across these publications, cambritaxestat showed strong reduction of metastasis and tumour outgrowth in preclinical models, as well as safe and tolerable dosing in healthy volunteers.

Statement from CEO: iOnctura

Catherine Pickering, chief executive officer, iOnctura, said: “There is an urgent need to develop new therapies for pancreatic cancer which is currently the third largest cause of death by cancer in the US, and the fourth in Europe. Although survival of patients with pancreatic cancer has improved in recent years, it still stands at just 13% after five years. This Orphan Drug Designation will support our goal to accelerate cambritaxestat through the clinic to provide a new treatment to patients with limited options.”

About iOnctura

• iOnctura is a clinical-stage biotech developing selective cancer therapies against targets that play critical roles in multiple tumour survival pathways. 
• This pioneering approach to drug development is expected to offer significant clinical benefits over the traditional approach of targeting a single pathway alone.
• iOnctura has progressed two therapeutic candidates into mid-stage clinical development: Roginolisib, an allosteric modulator of PI3Kd; and cambritaxestat, a highly selective, non-competitive autotaxin inhibitor.
• IOA-359, a TGF-ß pathway inhibitor is also undergoing an extensive pre-clinical program in preparation for first-in-human studies.
• iOnctura is backed by specialist institutional investors including M Ventures, Inkef Capital, VI Partners, Schroders Capital, European Innovation Council and 3B Future Health Fund.

About Cambritaxestat

Cambritaxestat is an orally dosed molecule that has shown preclinically to inhibit the growth and proliferation of cancer cells, stimulate immune cell infiltration into tumours and inhibit the development of fibrosis. 

Studies on Cambritaxestat

• Cambritaxestat is being developed as a first-in-class therapy for highly fibrotic cancer indications that overexpress autotaxin including pancreatic, liver, colorectal, ovarian and breast cancers. 
• A phase I study of cambritaxestat in combination with chemotherapy in metastatic pancreatic cancer started in Q4 2022 (NCT05586516).

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