Complete Response to Donor Lymphocyte Infusion for Primary Hemophagocytic Lymphohistiocytosis Relapse after Allogeneic Hematopoietic Cell Transplantation
Bibliographic record
Abstract
INTRODUCTION: Primary hemophagocytic lymphohistiocytosis (HLH) is a hyper-inflammatory disorder characterized by dysregulation of inflammatory cells and cytokine signaling. Although first-line treatment consisting of immunosuppressive therapy and allogeneic hematopoietic cell transplantation (HCT) is often curative, it remains unknown whether any effective therapies exist for disease relapse/progression after HCT. CASE PRESENTATION: Here we present a case of a 29-year-old male with primary HLH who failed HLH-94 protocol and subsequently underwent myeloablative HCT. Disease relapse occurred at 9 months following HCT, and donor lymphocyte infusion (DLI) was initiated as salvage therapy. The patient subsequently achieved durable long-term disease-free survival following a DLI, without significant treatment-related complications. CONCLUSION: To our knowledge, this represents the first case demonstrating the efficacy of DLI for relapsed primary HLH.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".