5,000-Patient study aims to unlock sarcoidosis mysteries
NCT ID NCT06576505
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at why sarcoidosis affects people differently—some get better, others develop long-term lung damage. Researchers will analyze genes, immune cells, and gut bacteria from 5,000 participants, including healthy volunteers. The goal is to find markers that predict disease course and treatment response, paving the way for personalized care.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 5,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Dec 2034
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
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/with a suspicion of sarcoidosis referred to Department of Respiratory Medicine, Karolinska University Hospital, Stockholm, Sweden. A total of 4600 patients are planned to be included during 10 years (460/year). Healthy volunteers will be recruited through advertisments (web based platforms within Karolinska Institutet, magazines, notice-boards). A total of 400 are planned to be included during 10 years (40/year).
- Ages
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18 to 90 years
- 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: * Suspicion of sarcoidosis * Swedish speaking * Able to understand and approve of study protocol * No contraindications for planned interventions * For inclusion of healthy controls they need to be healthy and the same criteria as listed above for patients. Exclusion Criteria: * No suspicion of sarcoidosis * Not Swedish-speaking * Not able to understand study protocol * Not approving of study protocol * Contraindications for planned interventions
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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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Karolinska University Hospital
RECRUITINGStockholm, Stockholm County, 171 76, Sweden
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