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While tyrosine kinase inhibitors (TKIs) reduced overall CML transplants, a dangerous trend has emerged. Clinicians are waiting too long to transplant high-risk patients, often until after they reach an advanced disease state, which significantly worsens outcomes compared to an early transplant in the chronic phase.

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While newer, less toxic therapies like HMA-Venetoclax empower community oncologists to treat AML, this creates a new risk: failing to refer younger, curable patients to tertiary centers for allogeneic transplant, which remains the only curative option for many adverse-risk patients.

A proactive clinical practice is to refer all newly diagnosed myelofibrosis patients for a transplant consultation, irrespective of their initial risk score. This preemptive step helps overcome significant logistical delays in finding a suitable donor, which is particularly crucial for patients from diverse ethnic backgrounds where donor availability is limited.

A critical challenge in myelofibrosis care is that the optimal time for a curative transplant is when patients feel well, often due to effective JAK inhibitor therapy. This feeling of well-being makes them reluctant to undergo the high-risk procedure. Waiting until they feel sick makes the transplant less likely to succeed.

A patient's risk score primarily determines their candidacy for a stem cell transplant. However, the decision to start a JAK inhibitor is driven by symptoms like splenomegaly and constitutional issues, regardless of the patient's formal risk status. This decouples two key treatment decisions.

The primary goal in Chronic Myeloid Leukemia (CML) has evolved from survival to tolerability and treatment-free remission. These goals are not uniform; younger patients prioritize stopping treatment to start families, while long-term patients increasingly value better tolerability over marginal efficacy gains.

In the era of potent targeted therapies for Philadelphia chromosome-positive B-ALL, the most critical factor for deciding on a consolidative allogeneic stem cell transplant is persistent minimal residual disease (MRD). This response-based metric has become more important than baseline mutational status for upfront risk stratification and treatment planning.

Based on findings from the DETERMINATION-1 and MIDAS trials, which questioned the overall survival benefit of early transplant, new strategies are emerging. The DETERMINATION-2 trial will use iberdomide-based therapy and defer transplant for standard-risk, MRD-negative patients, reserving it for higher-risk cases.

Recent non-inferiority trials affirm that fixed-duration combination therapies are viable alternatives to continuous BTK inhibitors. However, clinicians must look beyond the headline conclusion, as numerical data can show slightly worse progression-free survival for high-risk subgroups within the acceptable non-inferiority margin, complicating treatment decisions.

Risk stratification in CML is moving beyond BCR-ABL. Additional mutations like ASXL1 are now known to predict poorer outcomes and reduced response to asciminib, while others like GATA2 are favorable, pushing for routine, broader genetic sequencing at diagnosis to personalize therapy.

The primary goal in CML is evolving from chronic management to achieving Treatment-Free Remission (TFR). This paradigm shift favors using the most potent TKIs, like asciminib, first-line to induce deep, rapid molecular responses and enable eventual therapy discontinuation.

CML Specialists Transplant High-Risk Patients Too Late Despite Predictive Markers | RiffOn