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June 6, 2026Blood AdvancesOpen Access

HLHRUXO: A prospective trial of a ruxolitinib-containing regimen for children with hemophagocytic lymphohistiocytosis

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Authors

LMLauren K. MeyerKRKristen RyanJPJohn C. Panetta

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Overview

Prospective trial evaluates ruxolitinib safety and efficacy in children with hemophagocytic lymphohistiocytosis, suggesting benefit for newly diagnosed cases.

Key Points

  • This trial aims to evaluate the safety and effectiveness of ruxolitinib in children with hemophagocytic lymphohistiocytosis (HLH).
  • Prospective multi-institutional trial
  • Patients received ruxolitinib 25 mg/m2 twice daily combined with dexamethasone, for eight weeks.
  • Pharmacokinetic studies conducted on days one and eight.
  • All eight patients demonstrated clinical stabilization and improvement in serum ferritin levels after one week.
  • Five patients with newly diagnosed HLH achieved a complete response after eight weeks and were alive at one year.
  • One patient with relapsed/refractory HLH also achieved a complete response, while two with relapsed/refractory pHLH unfortunately died.

Cite This Study

Meyer et al. (2026) studied this question.

synapsesocial.com/papers/6a23bb4471a5da9775e76e0chttps://doi.org/10.1182/bloodadvances.2026020265
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Accelerated response and reduced chemotherapy with ruxolitinib-based regimen therapy in pediatric hemophagocytic lymphohistiocytosis: a retrospective comparison with HLH-94 regimen2026 · 1 citations
  2. 2Ruxolitinib in malignancy-associated hemophagocytic lymphohistiocytosis (M-HLH): A systematic literature review2025
  3. 3Nationwide survey of ruxolitinib administration for Japanese children with hemophagocytic lymphohistiocytosis2026
  4. 4Retrospective analysis of ruxolitinib as induction treatment in pediatric hemophagocytic lymphohistiocytosis2025 · 1 citations
  5. 5Case Report: Hemophagocytic lymphohistiocytosis masquerading as drug-induced liver injury: successful treatment with low-dose ruxolitinib and glucocorticoids2026