Thromboembolism in children with acute lymphoblastic leukaemia treated on Dana‐Farber Cancer Institute protocols: effect of age and risk stratification of disease
Why this work is in the frame
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Bibliographic record
Abstract
Children with acute lymphoblastic leukaemia (ALL) are at increased risk for thromboembolism (TE). Identification of a susceptible population is crucial for effective thromboprophylaxis. However, the risk factors for ALL-associated TE are unclear. Concomitant asparaginase (ASP) and steroid therapy has been shown to increase the incidence of TE. Dana-Farber Cancer Institute (DFCI)-ALL protocols use a combination of ASP and steroids during the postinduction intensification phase when high-risk (HR) patients receive thrice the steroid-dose given to standard-risk (SR) patients. We studied prospectively assembled cohorts of children treated on two consecutive DFCI-ALL protocols to define the risk factors for symptomatic TE. Ten (11%) of 91 patients developed symptomatic TE; eight (seven HR) during intensification. Seven (44%) of 16 older patients (>/=10 years) compared with three of 75 (4%) younger patients developed TE (P < 0.0001). Nine of 35 (26%) HR and one of 56 (2%) SR patients developed TE (P = 0.0006). Gender, ALL-immunophenotype, steroid-type or ASP dosing schedule did not alter the risk but older age and HR-disease were factors predisposing to TE associated with DFCI-ALL protocols. Age-related risk may partly reflect the effect of ALL-risk stratification. Higher dose steroids combined with ASP may lead to an increased risk of TE in HR patients.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| 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 | 0.000 |
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