Real-world treatment patterns and health care resource use for patients with myelofibrosis: results from the METER study
Bibliographic record
Abstract
ABSTRACT: Myelofibrosis (MF), a myeloproliferative neoplasm, was most commonly treated with hydroxyurea (HU) before approval of ruxolitinib (RUX), now the standard of care. Factors that influence real-world MF treatment patterns are not well understood. The METER study was a multi-country, retrospective chart review of MF treatment patterns, treatment effectiveness, and health care resource utilization. Of 997 eligible patients, 65.9% had primary MF, and 11.7% were transfusion dependent. Median time from diagnosis to the start of initial treatment (index date) was 29 days (interquartile range [IQR], 1-140). RUX was the most common first-line (1L) therapy (49.0%), followed by HU (40.2%); 48.5% of patients remained on 1L therapy through week 156. Seventy-seven patients underwent allogeneic stem cell transplantation; transplantation was uncommon at 1L, increasing from 2.2% at week 24 to 11.0% at week 156 in patients ≤70 years of age. Median overall survival was 79.1 months (95% confidence interval [95% CI], 70.8 to not estimable [NE]) in all patients, 142.3 months (95% CI, 74.1 to NE) for non-RUX patients, 77.6 months (95% CI, 64.2-85.9) for patients on RUX 1L therapy, and 72.6 months (95% CI, 62.0 to NE) for RUX 2L+ patients. Of patients who experienced ≥1 corresponding event, the median hospital length of stay (LoS; n = 520), intensive care unit LoS (n = 71), and number of transfusions (n = 375) were 16 days (IQR, 7-37), 5 days (IQR, 2-13), and 12 (IQR, 4-26), respectively. Despite improvements, there were numerous hospitalization and transfusion events among these patients in routine practice. This trial was registered at www.ClinicalTrials.gov as #NCT05444972.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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 | 0.000 |
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 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".