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Calciphylaxis is a disease in which blood vessels (veins and arteries) become blocked by a build-up of calcium in the walls of the vessels, preventing blood from flowing to the skin or internal organs. The lack of blood flow (ischemia) damages healthy tissue and causes itto die (necrosis). The most obvious and frequent symptom of calciphylaxis is damage to the skin, as ulcers can developand become infected easily. Calciphylaxis can also affect fat tissue, internal organs, and skeletal muscle, causing infections, pain, and organ failure.These symptoms are often irreversible, and many individuals with calciphylaxis may not survive more thana few months after they are diagnosed due to infection that spreads throughout the body (sepsis), or organ failure. The exact cause of calciphylaxis is unknown. Treatments may include medications to reduce pain, antibiotics to treat infections, and various approaches to preventing the development or worsening of this condition.
Biomarker and diagnostic research for calciphylaxis has been reported in the published literature.
No approved treatments are currently available for calciphylaxis. An additional 3 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for calciphylaxis, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for calciphylaxis. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Estimated prevalence: Unknown (Unknown prevalence).
9 clinical trials registered, 6 recruiting. Interventions under study include drug therapy, other interventions, medical devices, and biologic therapy. Pipeline includes 1 PHASE4, 1 PHASE3, 1 PHASE2. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT03032835](https://clinicaltrials.gov/study/NCT03032835) |
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 9:25 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Designated
Exclusivity End |
|---|
Designation Status |
|---|
hexasodium phytate | hexasodium phytate | Vifor Pharma, Inc. | 2012 | — | Designated |
sodium thiosulfate | sodium thiosulfate | Edinburg BioQuarter | 2012 | — | Designated |
menaquinone | menaquinone | Nu Science Trading, LLC | 2012 | — | Designated |
Gene therapy approaches for calciphylaxis have been reported in the published literature.
9 trials found
Partners Calciphylaxis Biobank |
— |
Massachusetts General Hospital |
RECRUITING |
[NCT02280733](https://clinicaltrials.gov/study/NCT02280733) | A Real-World Registry of Chronic Wounds and Ulcers | — | U.S. Wound Registry | RECRUITING |
[NCT07511283](https://clinicaltrials.gov/study/NCT07511283) | Calciphylaxis in Patients With Chronic Kidney Disease - A Study of the Danish Calciphylaxis Research Initiative (DanCaRI) | — | Odense University Hospital | RECRUITING |
[NCT06065852](https://clinicaltrials.gov/study/NCT06065852) | National Registry of Rare Kidney Diseases | — | UK Kidney Association | RECRUITING |
[NCT05018221](https://clinicaltrials.gov/study/NCT05018221) | Better Evidence and Translation for Calciphylaxis | PHASE3 | University of Sydney | RECRUITING |
143 publications have been identified in PubMed for calciphylaxis. Research spans Case Report / Case Series (53%), Review / Meta-Analysis (13%), and Clinical Trial Publication (10%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 76 | 53% |
Research summaries | 18 | 13% |
Clinical study results | 14 | 10% |
Disease patterns and progression | 14 | 10% |
Laboratory research | 9 | 6% |
New treatment approaches | 5 | 3% |
Other research | 4 | 3% |
Testing and diagnosis research | 3 | 2% |
Glennon CM (2026). [PMID: 41251635](https://pubmed.ncbi.nlm.nih.gov/41251635/). *American journal of kidney diseases : the official journal of the National Kidney Foundation*. [Case Report / Case Series]
Huish S (2026). [PMID: 41837776](https://pubmed.ncbi.nlm.nih.gov/41837776/). *J Nephrol*. [Epidemiology / Natural History]
Zaki C (2026). [PMID: 41536868](https://pubmed.ncbi.nlm.nih.gov/41536868/). *Radiol Case Rep*. [Case Report / Case Series]
Ravindran E (2026). [PMID: 41556674](https://pubmed.ncbi.nlm.nih.gov/41556674/). *Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke*. [Case Report / Case Series]
Zhu B (2026). [PMID: 42027853](https://pubmed.ncbi.nlm.nih.gov/42027853/). *JAAD Case Rep*. [Case Report / Case Series]
Armi S (2026). [PMID: 41805282](https://pubmed.ncbi.nlm.nih.gov/41805282/). *Nephrol Ther*. [Case Report / Case Series]
Zhao X (2026). [PMID: 41560094](https://pubmed.ncbi.nlm.nih.gov/41560094/). *Medicine*. [Case Report / Case Series]
Theivendran T (2026). [PMID: 42104624](https://pubmed.ncbi.nlm.nih.gov/42104624/). *Nephrology (Carlton)*. [Case Report / Case Series]
Karki A (2026). [PMID: 41743175](https://pubmed.ncbi.nlm.nih.gov/41743175/). *JCEM Case Rep*. [Case Report / Case Series]
Barbiero M (2026). [PMID: 41815374](https://pubmed.ncbi.nlm.nih.gov/41815374/). *Asian J Urol*. [Other]
AI-curated news mentioning calciphylaxis
Updated Aug 10, 2026
A systematic review highlights the pathomechanisms and risk factors associated with calciphylaxis in chronic kidney disease, focusing on calcific uremic arteriolopathy. This research provides insights that could inform future therapeutic strategies.
A case study highlights the diagnostic challenges of early calciphylaxis in a patient with end-stage renal disease and sarcoidosis. The findings emphasize the need for careful wound management and awareness of calciphylaxis symptoms in similar patients.