Sodium thiosulfate, bisphosphonates, and cinacalcet for treatment of calciphylaxis
Bibliographic record
Abstract
PURPOSE: The use of sodium thiosulfate, bisphosphonates, and cinacalcet for the treatment of calciphylaxis in adults with chronic kidney disease (CKD) is discussed. SUMMARY: Calciphylaxis, generally characterized by extraosseous calcification of soft tissues, typically occurs in patients with stage 4 or 5 CKD. Very little data are available regarding the treatment of calciphylaxis. The role of elevated calcium and phosphate concentrations and hyperparathyroidism as risk factors for calciphylaxis has led clinicians to explore therapies that modify these factors, including sodium thiosulfate, bisphosphonates, and cinacalcet. Sodium thiosulfate has been shown to produce clinical improvement of calciphylaxis lesions. Bisphosphonates have been shown to be effective in animal models of calciphylaxis, and the mechanism of action is believed to be due to inhibition of macrophages and local proinflammatory cytokines and binding to calcified vascular smooth muscle cells to inhibit further arterial calcification. Cinacalcet, a calcimimetic agent that increases the sensitivity of the calcium-sensing receptor on the parathyroid gland to calcium, is believed to decrease serum parathyroid hormone levels and stabilize calcium and phosphate concentrations. Cinacalcet has been associated with improved pain control and ulcer healing. Cases describing the use of combination therapy with cinacalcet and sodium thiosulfate for the treatment of calciphylaxis have been published, but the positive effect on wound healing is difficult to attribute to a single drug. CONCLUSION: Evidence for the treatment of calciphylaxis with pharmacotherapeutic interventions is limited to case reports. Further research is necessary to fully describe the optimal use of sodium thiosulfate, bisphosphonates, and cinacalcet for the treatment of calciphylaxis, including their pharmacokinetics in adults with CKD, optimal dosing strategies, and duration of therapy.
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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) | 0.001 | 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".