New study aims to crack the code of deadly skin hardening in kidney patients
NCT ID NCT07511283
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at a rare but serious condition called calciphylaxis, where small blood vessels in the skin harden, often leading to death. Researchers will compare 860 adults with chronic kidney disease—some who have calciphylaxis and some who don't—to find clues about what causes it and how to spot it early. The goal is to gather knowledge that can lead to better prevention and treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 860 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2040
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with chronic kidney disease diagnosed or suspected for calciphylaxis matched control patients, healthy reference group. National study in Denmark
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Cases * Age ≥18 years. * CKD. * Suspicion of calciphylaxis or newly diagnosed calciphylaxis episode. The suspicion or diagnosis of calciphylaxis is a mutual decision of the involved medical specialties (nephrologist, dermatologist, pathologist, other). * Ability to give informed consent. * Ability to participate in a clinical study as assessed by the local investigator. * Provides written informed consent. Controls * Age ≥18 years. * CKD * Ability to give informed consent. * Ability to participate in a clinical study as assessed by the local investigator. * Provides written informed consent. Healthy reference group * Age ≥18 years. * Self-assessed as healthy, confirmed by local investigators at inclusion Exclusion Criteria: Cases \- the calciphylaxis diagnosis becomes excluded Controls - Being diagnosed with calciphylaxis Healthy controls Up to 60 years of age: eGFR below 60 ml/min/1.72m2. \- Over 60 years of age: eGFR below the 95% confidence interval for eGFR adjusted for age (Danish Society of Nephrology references ranges)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Odense University Hospital
RECRUITINGOdense, 5000, Denmark
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