iOnctura Advances Myelofibrosis Treatment with Phase I/II Roginolisib Trial

In a significant advancement for patients suffering from myelofibrosis (MF), iOnctura has initiated its Phase I/II clinical trial, named HEMA-MED, aimed at evaluating the efficacy and tolerability of roginolisib, a PI3Kδ inhibitor, in individuals unresponsive to existing JAK inhibitors. This milestone follows promising non-clinical data that highlights the potential of a dual-target therapy approach, combining both PI3Kδ and JAK inhibition. As MF continues to present considerable treatment challenges, especially for patients with resistance to JAK therapy, this study explores a critical alternative that could reshape treatment paradigms.

The recent dosing of the first patient underlines the urgency and necessity for novel therapeutic options in a patient population that often faces bleak prospects. According to the statistics, approximately 0.5 individuals per 100,000 are diagnosed with myelofibrosis annually, making it a rare yet impactful condition. The disease is characterized by abnormal cell growth in the bone marrow, leading to debilitating symptoms and diminished quality of life. Although the introduction of JAK inhibitors has provided some relief, nearly half of the patients find themselves needing to discontinue treatment due to disease progression or adverse reactions.

iOnctura's roginolisib stands apart with its non-ATP competitive, allosteric modulation of the PI3Kδ pathway, which is significantly altered in numerous cancer types, including MF. This distinct mechanism aims to offer a better-tolerated option for patients. Notably, the clinical data shared by iOnctura at the upcoming 67th American Society of Hematology (ASH) Annual Meeting in Orlando, Florida, promises to shed light on the monotherapy activity of roginolisib and its synergistic effects when combined with JAK inhibitors. Presenters, including Dr. Michael Lahn, Chief Medical Officer at iOnctura, will underscore how targeting both the PI3Kδ and JAK pathways could yield a compounded therapeutic impact, an avenue that previous generations of PI3K inhibitors could not successfully harness due to tolerability issues.

The trial design incorporates two parts: the initial Phase I segment entails 13 participants to primarily focus on safety assessments, while the following Phase II segment aims to include an additional 13 participants to gauge clinical benefits. Secondary endpoints will measure spleen reduction and symptom improvement associated with myelofibrosis. This comprehensive approach reflects iOnctura's commitment to addressing critical unmet needs and moving beyond the constraints of current treatment methodologies.

In addition to the HEMA-MED trial, iOnctura is also presenting further research on roginolisib’s applications in peripheral T-cell lymphoma and chronic lymphocytic leukemia during the ASH Meeting, reinforcing the drug's potential across various hematologic malignancies.

Professor Alessandro Vannucchi from the University of Florence, who is leading the HEMA-MED study, emphasizes the pressing need for innovative treatments due to the suboptimal responses seen with current JAK therapies. Roginolisib's promising safety profile and unique action mechanism could unveil more lasting responses and elevate expectations for managing this challenging disease.

In conclusion, iOnctura is positioned at the forefront of tackling myelofibrosis and similar rare cancers, with roginolisib being a focal point of hope for patients and clinicians alike. The outcomes from the HEMA-MED trial could not only pave the way for more effective treatment options but also inspire a broader reevaluation of therapeutic strategies for cancer care.

Topics Health)

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