Geron's Phase 3 Study on Imetelstat: A Potential Breakthrough in Myelofibrosis Treatment

Sunday, Aug 24, 2025 12:42 pm ET1min read

Geron Corporation is conducting a Phase 3 clinical study to evaluate the effectiveness of Imetelstat in treating Myelofibrosis, a blood disorder. The study compares Imetelstat to Best Available Therapy in patients who have not responded to JAK-Inhibitor treatment. The study aims to determine which treatment offers better outcomes for these patients. Positive results could enhance investor confidence and impact the competitive landscape for Myelofibrosis treatments.

Geron Corporation, a late-stage clinical biopharmaceutical company, is conducting a Phase 3 clinical study to evaluate the effectiveness of its investigational first-in-class telomerase inhibitor, imetelstat, in treating Myelofibrosis, a blood disorder. The study, named IMpactMF, compares imetelstat to Best Available Therapy (BAT) in patients who have not responded to JAK-Inhibitor treatment. The primary endpoint of the study is overall survival, and the trial is enrolling patients with relapsed/refractory myelofibrosis (MF).

The study aims to determine which treatment offers better outcomes for these patients. Positive results could enhance investor confidence and impact the competitive landscape for Myelofibrosis treatments. Imetelstat is being studied in an investigator-led Phase 2 clinical trial, named IMpress, in Intermediate-2 or High-Risk myelodysplastic syndromes and acute myeloid leukemia, further expanding its potential applications.

In the myelofibrosis space, ruxolitinib (Jakafi) remains a reliable treatment option despite the availability of newer JAK inhibitors. Ruxolitinib's long-term efficacy and safety have been demonstrated in the phase 3 RESPONSE trial [1]. However, other JAK inhibitors such as momelotinib (Ojjaara), which was recently FDA-approved for anemia related to myelofibrosis, have shown promise in reducing spleen size and improving symptoms. The availability of these newer agents has the potential to enhance treatment options for patients with myelofibrosis.

The results of the IMpactMF trial could provide valuable insights into the effectiveness of imetelstat in treating myelofibrosis. Positive outcomes would not only benefit patients but also signal a significant advancement in the treatment landscape for this challenging disease. As investors and financial professionals, it is crucial to monitor the progress of this trial and its potential implications for Geron Corporation's stock performance and market position.

References:
[1] https://www.marketscreener.com/news/geron-reports-inducement-grants-under-nasdaq-listing-rule-5635-c-4-ce7c51dcda8af526

Geron's Phase 3 Study on Imetelstat: A Potential Breakthrough in Myelofibrosis Treatment

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