Comparison of Two Corticosteroid Pre-Infusion Regimens for Pegloticase in the United States: A Retrospective Analysis in Community Rheumatology Practices
Why this work is in the frame
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Bibliographic record
Abstract
BACKGROUND: Pegloticase is a recombinant porcine-like uricase enzyme that is FDA-approved for the treatment of chronic refractory gout in adults. Some patients receiving pegloticase develop anti-drug antibodies, which leads to both loss of pegloticase efficacy and an increased risk for infusion reactions. In the pivotal trials, all patients received pre-infusion medications before each pegloticase dose, including intravenous (IV) hydrocortisone. In clinical practice, many clinicians use methylprednisolone for pre-infusion therapy with pegloticase; however, the efficacy of methylprednisolone compared with hydrocortisone as a pre-infusion medication for pegloticase has not been established. OBJECTIVE: The aim of this study was to compare the efficacy of methylprednisolone versus hydrocortisone as a pre-infusion medication for pegloticase. METHODS: Data were retrospectively collected from 92 qualifying patients treated with pegloticase and administered pre-infusion prophylaxis with either intravenous hydrocortisone or methylprednisolone. Patient demographics, steroid type and dose, duration of pegloticase therapy, overall number of infusions, and number of infusion reactions were assessed. RESULTS: Patients treated with methylprednisolone as a pre-infusion medication received on average 8.5 pegloticase infusions versus 4.9 infusions for patients who were treated with hydrocortisone (p < 0.001). In addition, a significantly lower proportion of patients receiving methylprednisolone had their course of therapy terminated early due to infusion reactions (8.2%) versus patients receiving hydrocortisone (41.9%, p < 0.01). CONCLUSION: In this retrospective chart-review project, patients were able to have a longer duration of pegloticase therapy, received a significantly greater number of infusions, and experienced fewer infusion reactions when methylprednisolone was used as the corticosteroid for pre-infusion prophylaxis compared with hydrocortisone.
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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 | 0.003 |
| 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