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Updated: May 13, 2026
11:30
A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
Published on: June 2, 2022
Sodium thiosulfate therapy for calcific uremic arteriolopathy
Sagar U Nigwekar1, Steven M Brunelli, Debra Meade
1Renal Division, Massachusetts General Hospital, Boston, Massachusetts 02114, USA. sagarnigs@gmail.com
Summary
Intravenous sodium thiosulfate (STS) showed potential in treating calcific uremic arteriolopathy (CUA), a severe condition. A majority of patients experienced clinical improvement, though more research is needed for conclusive evidence.
Area of Science:
- Nephrology
- Vascular Medicine
- Dermatology
Background:
- Calcific uremic arteriolopathy (CUA) is a severe, often fatal vascular condition in dialysis patients.
- Currently, no definitive effective treatment exists for CUA.
- Intravenous sodium thiosulfate (STS) has been anecdotally reported but not systematically studied.
Purpose of the Study:
- To systematically evaluate the efficacy and safety of intravenous sodium thiosulfate (STS) for treating calcific uremic arteriolopathy (CUA).
Main Methods:
- Retrospective analysis of 172 maintenance hemodialysis patients with CUA treated with STS.
- Data abstracted from clinical systems and physician surveys for outcomes and safety.
- Evaluated CUA lesion improvement, mortality, laboratory values, and adverse events.
Main Results:
- A majority of patients (73.6%) showed some level of clinical improvement in CUA lesions with STS treatment.
- One-year mortality was 35% in patients treated with STS.
- STS treatment led to significant reductions in serum phosphorus and parathyroid hormone levels.
- Adverse events and laboratory abnormalities were generally mild.
Conclusions:
- Intravenous sodium thiosulfate (STS) appears to offer clinical benefit for patients with calcific uremic arteriolopathy (CUA).
- While not conclusive, the study suggests STS is a potentially viable treatment option.
- Further rigorous studies are warranted to confirm efficacy and optimal use.
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