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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.

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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 new clinical trial is evaluating selinexor, a non-JAK inhibitor, as a first-line therapy in myelofibrosis, with a JAK inhibitor added later only if needed. This innovative sequencing challenges the current, long-standing paradigm of initiating all treatments with a JAK inhibitor.

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.

Clinicians can reassure myelofibrosis patients that the drop in hemoglobin often seen when starting ruxolitinib does not carry the same negative prognostic weight as anemia caused by the disease itself. This distinction is crucial for managing patient expectations and continuing effective therapy despite initial side effects.

Despite clinical efficacy, menin inhibitor monotherapy provides a relatively short duration of response (4-6 months) in the relapsed/refractory setting. Their main clinical benefit is achieving a deep enough remission to allow patients to proceed to a potentially curative allogeneic stem cell transplant.

For older, transplant-ineligible patients, well-tolerated, long-term regimens from trials like CFIUS shift the treatment goal. Success is defined as managing myeloma so effectively that patients are more likely to die of other age-related causes, effectively outliving their cancer.

The clinical decision for newly diagnosed, transplant-ineligible myeloma patients has fundamentally shifted. Instead of determining who is eligible for a quadruplet regimen, the primary question for clinicians is now identifying the few patients who are not fit enough for this new standard of care.

Interferon therapy is being evaluated in a distinct niche from JAK inhibitors. It is targeted at patients with early or low-risk myelofibrosis, not for immediate symptom control, but with the strategic goal of potentially modifying the disease course and slowing its natural progression.

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.

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.

The Myelofibrosis Transplant Paradox: Patients are Best Candidates When They Feel They Don't Need It | RiffOn