A novel variant in <i>RUNX1</i> in a patient with refractory eosinophilic gastrointestinal disease and long-term clinical response to ketotifen
Why this work is in the frame
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Bibliographic record
Abstract
Background: Eosinophilic gastrointestinal disease (EGID) is an umbrella term for a heterogeneous group of disorders affecting the GI tract. In contrast to the relatively common eosinophilic esophagitis (EoE), eosinophilic gastroenteritis (EGE) remains poorly understood in terms of both its pathophysiology and genetic etiology, while treatment options remain limited. Aim: To expand the genotypic spectrum of EGE and describe our long-term experience of treatment with ketotifen. Methods: Case report of a patient with EGE followed by our team for over 27 years. Results: Our patient was diagnosed with EGE at the age of 4 years, accompanied by multiple other atopic manifestations and serum eosinophilia. He was later diagnosed with a heterozygous variant in RUNX1, a gene implicated in multi-lineage hematopoiesis, inhibition of Th2 polarization and T regulatory cell function. The patient has experienced long-term symptom improvement while treated with the mast cell stabilizing H1 antihistamine, ketotifen, with substantial symptomatic worsening after this agent was briefly stopped. Conclusion: We expand the genotypic spectrum of EGID etiology to include mutations in RUNX1, and suggest ketotifen as a viable option for patients with treatment-refractory EGE. Statement of novelty: This case reports on a possible novel genetic cause of EGID and describes long-term successful clinical management with ketotifen.
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it