
Opinion|Videos|May 12, 2025
Avapritinib Treatment of Patients with Advanced Systemic Mastocytosis: 4-Year Safety, Effect on Bone and First-Line Efficacy Results of the PATHFINDER Clinical Study
Author(s)Johannes Lübke, MD
Long-term data show avapritinib cuts systemic mastocytosis burden, delivers lasting responses, manageable safety, and boosts bone health markers.
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Avapritinib demonstrated durable clinical activity in advanced systemic mastocytosis, with sustained reductions in disease burden and consistent responses across subtypes over long-term follow-up. Treatment was generally well tolerated, with a safety profile aligned with prior experience and manageable adverse events. Improvements in bone health markers and density suggest a potential disease-modifying effect beyond hematologic control.
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