Psoriatic Disease: Update on Traditional Disease-modifying Antirheumatic Drugs
Bibliographic record
Abstract
We present an update on the effects of methotrexate (MTX), sulfasalazine (SSZ), leflunomide (LEF), and cyclosporine (CSA) in psoriatic arthritis (PsA) by reviewing data published from January 2010 to June 2014. The most relevant study on MTX, the Methotrexate In Psoriatic Arthritis (MIPA) trial, did not show a significant difference between this drug and placebo in improving peripheral synovitis. The trial, however, had several limitations. A cohort study on a small number of patients found that MTX does not inhibit radiographic progression. In a large observational study, 86% of LEF-treated patients met PsA Response Criteria (PsARC) at Week 24. No studies of sufficient relevance on SSZ were published in the examined time frame. In an open-label trial, CSA alone was compared to adalimumab (ADA) alone and to the combination ADA/CSA. The ADA arms showed a significantly higher response rate, but as many as 65% of CSA-treated patients were PsARC responders at Month 12. No relevant data on the effects of these 4 drugs on psoriatic enthesitis, dactylitis, or spondylitis have recently been published, and no new safety signals have been reported. Observational data from 2 registers suggest that concomitant MTX increases the retention rate of tumor necrosis factor-α inhibitors. The studies published in the examined time frame confirm that MTX, SSZ, LEF, and CSA have moderate symptom-modifying effect on psoriatic synovitis, and probably little effect on the other manifestations of PsA.
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.004 | 0.001 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".